관측 가능한 혜성의 궤도 요소 자료들

관측 가능한 혜성의 궤도 요소 자료들.

Elements and Ephemeris for Comets.

http://www.minorplanetcenter.net/iau/Ephemerides/Comets/index.html

Elements and Ephemeris for C/2012 S1 (ISON)

Orbital Elements

The following orbital elements are taken from MPEC 2013-Q27:

C/2012 S1 (ISON)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Nov. 28.7797 TT MPC

q 0.012443 (2000.0) P Q

z -0.000142 Peri. 345.5648 +0.3151366 +0.5123959

+/-0.000001 Node 295.6531 -0.7589405 -0.3693235

e 1.000002 Incl. 62.3978 -0.5698230 +0.7752745

From 3746 observations 2011 Sept. 30-2013 Aug. 23, mean residual 0".5.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK12S010

cf. Peri.(ω), Node(Ω), Incl.(i)

Elements and Ephemeris for C/2010 S1 (LINEAR)

Orbital Elements

The following orbital elements are taken from MPC 84618:

C/2010 S1 (LINEAR)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 May 20.2925 TT MPC

q 5.899817 (2000.0) P Q

z -0.000393 Peri. 118.6133 +0.5354788 -0.2239526

+/-0.000000 Node 93.4304 -0.6955833 -0.6637945

e 1.002321 Incl. 125.3358 +0.4789847 -0.7135980

From 5666 observations 2010 Sept. 21-2013 Aug. 18, mean residual 0".4.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK10S010

Elements and Ephemeris for C/2012 F6 (Lemmon)

Orbital Elements

The following orbital elements are taken from MPC 84625:

C/2012 F6 (Lemmon)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Mar. 24.5108 TT MPC

q 0.731221 (2000.0) P Q

z +0.002086 Peri. 304.9846 +0.4612706 +0.7619696

+/-0.000000 Node 332.7177 -0.0038632 -0.5105981

e 0.998475 Incl. 82.6099 -0.8872511 +0.3983615

From 1417 observations 2012 Jan. 22-2013 Aug. 17, mean residual 0".5.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK12F060

Elements and Ephemeris for C/2011 L4 (PANSTARRS)

Orbital Elements

The following orbital elements are taken from MPC 84624:

C/2011 L4 (PANSTARRS)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Mar. 10.1642 TT MPC

q 0.301649 (2000.0) P Q

z -0.000088 Peri. 333.6578 +0.4100293 +0.1003878

+/-0.000000 Node 65.6697 +0.9078593 +0.0505008

e 1.000026 Incl. 84.2064 -0.0875642 +0.9936659

From 3875 observations 2011 May 21-2013 Aug. 17, mean residual 0".5.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK11L040

Elements and Ephemeris for P/2013 J2 (McNaught)

Orbital Elements

The following orbital elements are taken from MPC 84627:

P/2013 J2 (McNaught)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Aug. 22.9977 TT MPC

q 2.147830 (2000.0) P Q

n 0.0631484 Peri. 37.8894 +0.8202937 +0.5134325

a 6.245412 Node 289.3935 -0.5679563 +0.6793157

e 0.656095 Incl. 15.4954 -0.0674082 +0.5243254

P 15.6

From 471 observations 2013 May 8-Aug. 18, mean residual 0".4.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=PK13J020

Elements and Ephemeris for 46P/Wirtanen

Orbital Elements

The following orbital elements are taken from MPC 82322:

46P/Wirtanen

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 July 9.3898 TT MPC

q 1.052036 (2000.0) P Q

n 0.1816648 Peri. 356.3341 +0.1981006 -0.9591709

a 3.087609 Node 82.1623 +0.9044021 +0.0994671

e 0.659271 Incl. 11.7571 +0.3779061 +0.2647593

P 5.43

From 1732 observations 1991-2008, mean residual 0".8. Nongravitational

parameters A1 = +0.33, A2 = -0.1381.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0046P

Elements and Ephemeris for 2P/Encke

Orbital Elements

The following orbital elements are taken from MPC 75714:

2P/Encke

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Nov. 21.6940 TT MPC

q 0.336128 (2000.0) P Q

n 0.2990318 Peri. 186.5358 -0.9451060 -0.3147896

a 2.214749 Node 334.5730 +0.3082838 -0.7700539

e 0.848232 Incl. 11.7789 +0.1083320 -0.5549095

P 3.30

From 1478 observations 1993-2011, mean residual 0".6. Nongravitational

parameters A1 = -0.01, A2 = -0.0007.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0002P

Elements and Ephemeris for C/2013 N4 (Borisov)

Orbital Elements

The following orbital elements are taken from MPC 84628:

C/2013 N4 (Borisov)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Aug. 21.4895 TT MPC

q 1.210839 (2000.0) P Q

z +0.019304 Peri. 142.2564 -0.3316469 -0.8696619

+/-0.000552 Node 322.6173 +0.6500907 +0.0702013

e 0.976626 Incl. 37.0313 +0.6836611 -0.4886307

From 122 observations 2013 July 10-Aug. 12, mean residual 0".6.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK13N040

Elements and Ephemeris for C/2012 L2 (LINEAR)

Orbital Elements

The following orbital elements are taken from MPC 84023:

C/2012 L2 (LINEAR)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 May 9.3226 TT MPC

q 1.508718 (2000.0) P Q

z +0.001799 Peri. 205.7778 -0.1464351 -0.2911383

+/-0.000001 Node 270.3009 +0.9890314 -0.0617621

e 0.997286 Incl. 70.9827 -0.0193276 -0.9546852

From 1922 observations 2012 June 1-2013 May 5, mean residual 0".5.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK12L020

Elements and Ephemeris for 26P/Grigg-Skjellerup

Orbital Elements

The following orbital elements are taken from MPC 84319:

26P/Grigg-Skjellerup

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 July 6.0155 TT MPC

q 1.085840 (2000.0) P Q

n 0.1880448 Peri. 2.1532 -0.8333966 +0.5153742

a 3.017370 Node 211.5513 -0.5126002 -0.8558130

e 0.640137 Incl. 22.4236 -0.2066185 +0.0444240

P 5.24

From 476 observations 1982-2013, mean residual 0".7. Nongravitational

parameters A1 = +0.01, A2 = -0.0008.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0026P

Elements and Ephemeris for 102P/Shoemaker

Orbital Elements

The following orbital elements are taken from MPC 84321:

102P/Shoemaker

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Sept. 1.2696 TT MPC

q 1.968439 (2000.0) P Q

n 0.1365726 Peri. 18.7947 +0.9882837 -0.0100878

a 3.734453 Node 339.8572 -0.1068759 +0.6666105

e 0.472898 Incl. 26.2477 +0.1089629 +0.7453380

P 7.22

From 69 observations 2000-2013, mean residual 0".9. Nongravitational

parameters A1 = -1.54, A2 = -0.2394.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0102P

Elements and Ephemeris for 154P/Brewington

Orbital Elements

The following orbital elements are taken from MPC 84628:

154P/Brewington

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Dec. 12.5098 TT MPC

q 1.607853 (2000.0) P Q

n 0.0914118 Peri. 49.0390 +0.8327638 -0.5467498

a 4.880540 Node 343.4952 +0.3695200 +0.6659427

e 0.670558 Incl. 17.8325 +0.4122613 +0.5075284

P 10.8

From 343 observations 1992-2013, mean residual 1".0. Nongravitational

parameters A1 = -1.58, A2 = +0.1326.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0154P

Elements and Ephemeris for C/2013 G5 (Catalina)

Orbital Elements

The following orbital elements are taken from MPC 84318:

C/2013 G5 (Catalina)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Sept. 1.4321 TT MPC

q 0.928659 (2000.0) P Q

z -0.000328 Peri. 165.6842 +0.6766253 +0.6305408

+/-0.000034 Node 144.2453 -0.7232461 +0.6660339

e 1.000304 Incl. 40.6001 -0.1381783 -0.3985187

From 87 observations 2013 Apr. 13-June 9, mean residual 0".6.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=CK13G050

Elements and Ephemeris for 290P/Jager

Orbital Elements

The following orbital elements are taken from MPC 84629:

290P/Jager

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2014 Mar. 12.5292 TT MPC

q 2.156104 (2000.0) P Q

n 0.0648530 Peri. 180.7442 -0.5610652 -0.7816476

a 6.135490 Node 303.4264 +0.7611423 -0.3577795

e 0.648585 Incl. 19.0537 +0.3253739 -0.5109020

P 15.2

From 795 observations 1998-2013, mean residual 0".8.

http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0290P

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Ephemeris for C/2012 S1 ISON

Peri. (ω)=345.4946 Node (Ω)=295.7623 Incl. (i)= 61.7257 q= 0.012529

a=********** e=1.000000 P=********* T= 2013 November 28.9283

Equinox= 2000

Magnitudes calculated from m= 6.0+5.0*Log(d)+10.0*Log(r)+0.000*Beta

Station: UK Latitude: 53.000 Longitude: 0.000 Magnetic variation: 0.0

Observing constraints: Sun below -13. deg Object above***** deg

September 2013 Positions for 00:00 ET, Times in UT

Elong Moon Comet

Day R.A. B1950 Dec R.A. J2000 Dec Mag D R Trans Observable Sun Moon Phase Tail pA d RA dDec

1/ 2 8 40.5 22.12 8 43.4 22.01 11.7 2.95 2.16 9.59 Not Observable 32 11 11 1 291 8 -2

2/ 3 8 42.0 22.05 8 44.9 21.54 11.6 2.92 2.15 9.57 Not Observable 33 10 6 1 291 8 -2

3/ 4 8 43.6 21.58 8 46.5 21.47 11.6 2.90 2.13 9.54 Not Observable 33 19 2 1 291 8 -2

4/ 5 8 45.1 21.51 8 48.0 21.40 11.5 2.87 2.11 9.52 Not Observable 34 30 0 1 291 8 -2

5/ 6 8 46.7 21.44 8 49.6 21.33 11.5 2.85 2.10 9.49 Not Observable 35 42 0 2 291 9 -2

6/ 7 8 48.3 21.37 8 51.2 21.25 11.4 2.82 2.08 9.47 Not Observable 35 54 2 2 291 9 -3

7/ 8 8 49.9 21.29 8 52.8 21.18 11.4 2.79 2.06 9.45 Not Observable 36 67 6 2 291 9 -3

8/ 9 8 51.5 21.22 8 54.4 21.10 11.3 2.77 2.05 9.42 Not Observable 36 80 13 2 291 9 -3

9/10 8 53.1 21.14 8 56.0 21.02 11.3 2.74 2.03 9.40 Not Observable 37 93 21 2 291 9 -3

10/11 8 54.7 21.06 8 57.6 20.54 11.2 2.72 2.01 9.38 4.00 to 4.02 37 106 31 2 291 9 -3

11/12 8 56.4 20.58 8 59.3 20.46 11.1 2.69 1.99 9.35 3.57 to 4.04 38 119 42 2 291 9 -3

12/13 8 58.1 20.50 9 0.9 20.38 11.1 2.66 1.98 9.33 3.53 to 4.06 39 133 54 2 291 9 -3

13/14 8 59.7 20.42 9 2.6 20.30 11.0 2.63 1.96 9.31 3.50 to 4.08 39 146 65 2 291 9 -3

14/15 9 1.4 20.33 9 4.3 20.21 11.0 2.61 1.94 9.29 3.47 to 4.10 40 159 76 3 291 9 -3

15/16 9 3.2 20.25 9 6.0 20.13 10.9 2.58 1.93 9.26 3.43 to 4.12 40 170 85 3 291 10 -3

16/17 9 4.9 20.16 9 7.8 20.04 10.8 2.55 1.91 9.24 3.40 to 4.14 41 168 93 3 291 10 -3

17/18 9 6.7 20.07 9 9.5 19.55 10.8 2.53 1.89 9.22 3.37 to 4.15 41 156 98 3 291 10 -3

18/19 9 8.5 19.58 9 11.3 19.46 10.7 2.50 1.87 9.20 3.34 to 4.17 42 143 100 3 291 10 -3

19/20 9 10.3 19.49 9 13.1 19.36 10.6 2.47 1.85 9.18 3.31 to 4.19 42 130 100 3 291 10 -3

20/21 9 12.1 19.39 9 14.9 19.27 10.6 2.44 1.84 9.16 3.28 to 4.21 43 117 98 4 291 10 -3

21/22 9 13.9 19.30 9 16.8 19.17 10.5 2.41 1.82 9.13 3.25 to 4.23 43 104 93 4 291 10 -4

22/23 9 15.8 19.20 9 18.6 19.07 10.4 2.38 1.80 9.11 3.22 to 4.25 44 92 87 4 291 11 -4

23/24 9 17.7 19.10 9 20.5 18.57 10.4 2.36 1.78 9.09 3.19 to 4.27 44 80 79 4 291 11 -4

24/25 9 19.6 18.59 9 22.5 18.46 10.3 2.33 1.76 9.07 3.16 to 4.29 45 68 70 4 291 11 -4

25/26 9 21.6 18.49 9 24.4 18.36 10.2 2.30 1.75 9.05 3.13 to 4.31 45 57 61 5 291 11 -4

26/27 9 23.6 18.38 9 26.4 18.25 10.2 2.27 1.73 9.03 3.10 to 4.32 46 46 52 5 291 11 -4

27/28 9 25.6 18.27 9 28.4 18.13 10.1 2.24 1.71 9.01 3.07 to 4.34 46 35 42 5 291 11 -4

28/29 9 27.6 18.15 9 30.4 18.02 10.0 2.21 1.69 8.60 3.05 to 4.36 47 24 33 6 291 12 -4

29/30 9 29.7 18.03 9 32.5 17.50 9.9 2.18 1.67 8.58 3.02 to 4.38 47 14 24 6 291 12 -4

30/31 9 31.8 17.51 9 34.6 17.38 9.8 2.15 1.65 8.56 2.60 to 4.40 48 8 16 6 292 12 -5

http://www.ast.cam.ac.uk/~jds/12s1.ukl

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MPEC 2013-Q27 : COMET C/2012 S1 (ISON)

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

A form allowing access to any MPEC is at the bottom of this page.

M.P.E.C. 2013-Q27 Issued 2013 Aug. 23, 23:26 UT

Prepared using the Tamkin Foundation Computer Network

MPC@CFA.HARVARD.EDU

URL http://www.minorplanetcenter.net/ ISSN 1523-6714

COMET C/2012 S1 (ISON)

Observer details:

349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.

C10 Maisoncelles. Observer J. F. Soulier. 0.30-m f/3.8 Newtonian reflector + CCD.

F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz. T. Goggia,

M. Willman. Measurers P. Veres, A. Fitzsimmons. 1.8-m Ritchey-Chretien + CCD.

Orbital elements:

C/2012 S1 (ISON)

Epoch 2013 Dec. 14.0 TT = JDT 2456640.5

T 2013 Nov. 28.77970 TT MPC

q 0.0124431 (2000.0) P Q

z -0.0001351 Peri. 345.56499 +0.31513620 +0.51238865

+/-0.0000014 Node 295.65281 -0.75894217 -0.36932645

e 1.0000017 Incl. 62.39823 -0.56982099 +0.77527791

From 3746 observations 2011 Sept. 30-2013 Aug. 23, mean residual 0".5.

C/2012 S1 (ISON)

Epoch 2013 Nov. 4.0 TT = JDT 2456600.5

T 2013 Nov. 28.77969 TT MPC

q 0.0124430 (2000.0) P Q

z -0.0001421 Peri. 345.56477 +0.31513661 +0.51239588

+/-0.0000014 Node 295.65305 -0.75894046 -0.36932354

e 1.0000018 Incl. 62.39780 -0.56982304 +0.77527452

From 3746 observations 2011 Sept. 30-2013 Aug. 23, mean residual 0".5.

Ephemeris: C/2012 S1 (ISON)

Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2

2013 07 24 07 50 27.2 +25 29 16 3.7826 2.7791 7.7 2.8 15.9 ...

2013 08 08 08 08 43.8 +24 23 34 3.5098 2.5562 16.8 6.6 15.5 ...

2013 08 16 08 19 11.1 +23 43 11 3.3434 2.4332 21.9 8.9 15.2 ...

2013 08 22 08 27 23.1 +23 09 55 3.2097 2.3389 25.6 10.8 15.0 ...

2013 08 23 08 28 47.0 +23 04 06 3.1866 2.3230 26.2 11.1 14.9 ...

2013 08 24 08 30 11.6 +22 58 12 3.1634 2.3071 26.9 11.4 14.9 ...

2013 08 30 08 38 52.2 +22 20 51 3.0200 2.2102 30.5 13.4 14.7 ...

2013 09 07 08 51 06.0 +21 25 15 2.8181 2.0776 35.2 16.2 14.3 ...

2013 09 22 09 16 43.2 +19 16 53 2.4105 1.8169 43.4 22.3 13.5 ...

http://www.minorplanetcenter.net/iau/mpec/K13/K13Q27.html

-----------------------------------------------------------------------------------------------------------------------

Explanation Of Orbital Elements

The quantities given in orbital elements published in the IAU Circulars, Minor Planet Circulars and Minor Planet Electronic Circulars have the following meanings (for a detailed explanation of the physical meaning of these quantities, and on any relationships between different quantities, you are referred to standard textbooks on celestial mechanics):

Epoch

The epoch of osculation of the orbital elements.

Mean anomaly at the epoch.

Date of perihelion passage.

Mean daily motion (in degrees/day).

Semimajor axis (in AU).

Reciprocal semimajor axis (in 1/AU).

Perihelion distance (in AU).

Orbital eccentricity.

Orbital period (in years).

Peri. (ω)

The J2000.0 argument of perihelion (in degrees).

Node (Ω)

The J2000.0 longitude of the ascending node (in degrees).

Incl. (i)

The J2000.0 inclination (in degrees).

P and Q vectors

The vectors P and Q are an alternate form of representing the angular elements Peri., Node and Incl. For an explanation of how to convert between the two sets of quantities you are referred to standard celestial mechanics textbooks.

Uncertainty parameter.

Not all of these quantities will be given with every orbit, but enough information will always be given to describe an orbit completely.

Angular elements are referred to the ecliptic and all elements are heliocentric.

The following two quantities are not orbital elements but are generally given with them.

Absolute visual magnitude. A table converting H to a diameter is available.

Slope parameter. For an explanation of the H,G magnitude system refer to Application of Photometric Models to Asteroids, Bowell et al., inAsteroids II, 524-556 (published by the University of Arizona Press, ISBN 0-8165-1123-3) and the references therein.

http://www.minorplanetcenter.net/iau/info/OrbElsExplanation.html

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