MPEC 2010-D65 : COMET C/2010 A4 (SIDING SPRING)
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.
Read MPEC 2010-D64
Read MPEC 2010-D66
M.P.E.C. 2010-D65 Issued 2010 Feb. 22, 16:56 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2010 A4 (SIDING SPRING)
Observations:
CK10A040 C2010 02 12.49551 10 14 20.63 -33 44 45.8 17.7 N ED065D96
CK10A040 C2010 02 12.50698 10 14 19.24 -33 44 52.0 17.7 N ED065D96
CK10A040 C2010 02 17.70036 10 03 20.08 -34 29 43.8 17.4 N ED065D96
CK10A040 C2010 02 17.71151 10 03 18.60 -34 29 49.1 17.7 N ED065D96
CK10A040 C2010 02 18.55429 10 01 28.43 -34 36 13.4 18.3 N ED065E16
CK10A040 C2010 02 18.56528 10 01 26.97 -34 36 18.2 18.3 N ED065E16
CK10A040 C2010 02 18.57627 10 01 25.52 -34 36 23.0 18.4 N ED065E16
Observer details:
D96 Tzec Maun Observatory, Moorook. Observers P. Concari, S. Foglia, G. Galli,
M. Tombelli. 0.18-m f/2.8 Newtonian reflector + CCD.
E16 Grove Creek Observatory, Trunkey. Observers L. Donato, V. Gonano,
E. Guido, G. Sostero. Measurer G. Sostero. 0.35-m f/7 reflector + CCD.
Orbital elements:
C/2010 A4 (Siding Spring)
Epoch 2010 Oct. 11.0 TT = JDT 2455480.5
T 2010 Oct. 8.99543 TT MPC
q 2.7364855 (2000.0) P Q
z +0.0042448 Peri. 271.75030 +0.05665394 +0.97179160
+/-0.0002089 Node 346.67257 +0.49271534 -0.22664907
e 0.9883843 Incl. 96.71276 -0.86834436 -0.06520185
Residuals in seconds of arc
100112 E12 0.2+ 0.5- 100113 D90 0.2- 0.5- 100122 900 0.4+ 0.7-
100112 E12 0.4- 0.0 100113 D90 0.2+ 0.8- 100123 D90 1.1+ 0.3+
100112 E12 0.3- 0.4+ 100114 I19 0.3- 0.0 100123 D90 1.4- 0.7+
100113 I20 0.6- 0.1- 100114 I19 0.1- 0.4+ 100123 D90 1.8+ 0.8-
100113 I20 0.0 0.3+ 100114 I19 0.3- 0.4+ 100123 D90 0.4- 0.1+
100113 I20 0.5+ 0.5+ 100114 926 0.3+ 0.1- 100123 D90 0.0 0.5+
100113 H01 0.9+ 0.2- 100114 926 0.3+ 0.6- 100123 D90 0.5+ 0.2-
100113 H01 0.7+ 0.2- 100114 926 0.3+ 0.1- 100123 D90 1.0- 0.7-
100113 H01 0.7+ 0.2- 100114 D90 0.4+ 0.5- 100124 349 0.2- 1.0-
100113 H01 0.7+ 0.3- 100114 D90 0.2+ 0.6- 100124 349 0.7- 0.7-
100113 H01 0.9+ 0.4- 100114 D90 0.9+ 1.5- 100124 372 1.2+ 0.6-
100113 H06 0.3- 1.3+ 100116 204 0.2- 0.0 100124 372 0.6+ 0.5-
100113 H06 0.7+ 0.1- 100116 204 0.1- 0.3+ 100125 372 1.4+ 1.5+
100113 682 0.2+ 0.0 100116 415 0.7- 0.1- 100126 D96 0.7+ 0.3+
100113 H06 0.5+ 0.3- 100116 415 0.9- 1.5+ 100126 D96 0.7+ 0.0
100113 682 0.7- 0.8+ 100116 372 0.3+ 0.4+ 100204 E85 0.3- 0.8+
100113 H06 0.3+ 0.1- 100116 372 0.5+ 0.3+ 100204 E85 0.7- 0.3+
100113 H21 0.7- 0.1- 100116 372 0.1+ 0.4- 100204 E85 0.1+ 0.3+
100113 H21 0.2- 0.3- 100117 372 0.8+ 0.4+ 100206 D96 0.8- 0.8-
100113 H21 0.9- 0.7+ 100117 372 0.3+ 0.1+ 100206 D96 0.2- 0.3-
100113 H21 1.1- 0.8- 100117 372 0.2+ 0.1- 100206 D96 0.6- 1.0-
100113 H06 0.1+ 0.6+ 100117 372 0.9- 1.1- 100212 D96 0.7+ 1.8+
100113 H21 0.4- 1.0+ 100120 415 0.1+ 0.2+ 100212 D96 (1.1+ 2.2+)
100113 H21 0.9- 0.5- 100120 415 0.2- 0.3+ 100217 D96 0.7+ 0.3+
100113 H06 0.1- 1.4+ 100122 349 1.6- 1.4+ 100217 D96 0.5+ 0.1+
100113 H10 0.2+ 0.5+ 100122 349 (2.7- 2.4+) 100218 E16 0.3- 0.5-
100113 H10 0.7- 0.4+ 100122 349 (2.6- 1.3+) 100218 E16 0.3- 0.4-
100113 H10 1.5- 0.4- 100122 349 (2.8- 1.1+) 100218 E16 0.2- 0.3-
100113 D90 0.7+ 0.8- 100122 900 1.4- 0.6-
Ephemeris:
C/2010 A4 (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 02 13 10 13.30 -33 49.5 2.897 3.635 132.2 11.6 18.4
2010 02 23 09 51.58 -35 05.6 2.811 3.572 134.3 11.4 18.3
2010 03 05 09 28.69 -35 43.9 2.762 3.511 132.7 12.0 18.2
2010 03 15 09 06.27 -35 44.1 2.749 3.451 127.9 13.1 18.1
2010 03 25 08 45.89 -35 12.1 2.769 3.393 121.1 14.6 18.0
2010 04 04 08 28.58 -34 18.5 2.814 3.336 113.1 16.0 18.0
2010 04 14 08 14.80 -33 14.3 2.878 3.281 104.8 17.2 18.0
2010 04 24 08 04.53 -32 09.7 2.954 3.227 96.5 18.0 17.9
The "original" and "future" barycentric values of 1/a are +0.004363
and +0.004433 (+/- 0.000209) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-D65
Read MPEC 2010-D64
Read MPEC 2010-D66
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)
