MPEC 2013-H36 : COMET C/2012 OP (SIDING SPRING)
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Read MPEC 2013-H35
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M.P.E.C. 2013-H36 Issued 2013 Apr. 23, 03:41 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2012 OP (SIDING SPRING)
Observations:
CK12O00P QC2012 07 16.62216 19 11 03.20 -65 18 37.4 20.0 TrEH036E12
CK12O00P QC2012 07 16.63506 19 10 59.93 -65 18 29.6 19.8 TrEH036E12
CK12O00P QC2012 07 16.64817 19 10 56.44 -65 18 22.0 rEH036E12
CK12O00P QC2012 07 16.66105 19 10 53.10 -65 18 13.7 20.2 TrEH036E12
CK12O00P QC2012 07 16.67303 19 10 49.99 -65 18 06.0 20.1 TrEH036E12
CK12O00P QC2012 07 16.74880 19 10 30.17 -65 17 18.2 19.6 TrEH036E12
CK12O00P QC2012 07 16.75391 19 10 28.83 -65 17 14.8 19.9 TrEH036E12
CK12O00P |C2012 07 16.95714 19 09 36.92 -65 15 05.7 20.0 TuEH036807
CK12O00P |C2012 07 16.96115 19 09 35.85 -65 15 02.9 20.1 TuEH036807
CK12O00P |C2012 07 16.96515 19 09 34.84 -65 15 00.6 20.0 TuEH036807
CK12O00P |C2012 07 16.96916 19 09 33.78 -65 14 58.5 19.8 TuEH036807
CK12O00P |C2012 07 16.97275 19 09 32.82 -65 14 56.1 19.9 TuEH036807
CK12O00P KC2012 07 17.37089 19 07 49.98 -65 10 38.9 19.1 ToEH036474
CK12O00P KC2012 07 17.37441 19 07 49.05 -65 10 37.8 19.7 ToEH036474
CK12O00P KC2012 07 17.37793 19 07 47.88 -65 10 35.0 18.8 ToEH036474
CK12O00P KC2012 07 17.39910 19 07 42.53 -65 10 21.6 19.5 ToEH036474
CK12O00P KC2012 07 17.40262 19 07 41.98 -65 10 18.4 19.7 ToEH036474
CK12O00P |C2012 07 17.96087 19 05 18.89 -65 04 06.0 19.9 TuEH036807
CK12O00P |C2012 07 17.96687 19 05 17.31 -65 04 02.2 19.6 TuEH036807
CK12O00P |C2012 07 17.97287 19 05 15.79 -65 03 58.6 19.5 TuEH036807
CK12O00P |C2012 07 17.98060 19 05 13.79 -65 03 53.3 20.1 TuEH036807
CK12O00P QC2012 07 18.54646 19 02 49.85 -64 57 24.1 rEH036E12
CK12O00P QC2012 07 18.56981 19 02 43.75 -64 57 07.5 rEH036E12
CK12O00P KC2012 07 18.98324 19 01 00.16 -64 52 12.8 19.5 TuEH036821
CK12O00P KC2012 07 18.98565 19 00 59.56 -64 52 11.1 19.6 TuEH036821
CK12O00P KC2012 07 18.98806 19 00 58.95 -64 52 09.4 19.7 TuEH036821
CK12O00P |C2012 07 19.13882 19 00 20.90 -64 50 21.5 19.8 TuEH036807
CK12O00P |C2012 07 19.14165 19 00 20.18 -64 50 19.6 20.1 TuEH036807
CK12O00P |C2012 07 19.14495 19 00 19.37 -64 50 17.2 20.0 TuEH036807
CK12O00P |C2012 07 19.14813 19 00 18.55 -64 50 14.9 19.9 TuEH036807
CK12O00P |C2012 07 19.15127 19 00 17.76 -64 50 12.5 19.9 TuEH036807
CK12O00P QC2012 07 19.60980 18 58 23.41 -64 44 35.6 20.5 TrEH036E12
CK12O00P QC2012 07 19.61471 18 58 22.10 -64 44 32.0 20.4 TrEH036E12
CK12O00P QC2012 08 09.47291 17 51 35.02 -58 40 13.4 rEH036E12
CK12O00P QC2012 08 10.48023 17 49 21.93 -58 19 11.8 20.2 TrEH036E12
CK12O00P KC2012 08 17.35649 17 36 25.15 -55 52 54.8 oEH036474
CK12O00P KC2012 08 17.35860 17 36 24.89 -55 52 51.8 20.3 ToEH036474
CK12O00P KC2012 08 17.36071 17 36 24.65 -55 52 49.1 19.8 ToEH036474
CK12O00P KC2012 08 17.36285 17 36 24.46 -55 52 46.1 19.9 ToEH036474
CK12O00P KC2012 09 18.32293 17 12 14.77 -45 13 52.7 20.2 ToEH036474
CK12O00P KC2012 09 18.32574 17 12 14.72 -45 13 49.6 20.6 ToEH036474
CK12O00P KC2012 09 18.32861 17 12 14.74 -45 13 46.3 oEH036474
CK12O00P 1C2013 03 20.78036 18 30 53.32 -11 53 19.1 EH036Q62
CK12O00P 1C2013 03 20.78123 18 30 53.32 -11 53 18.3 18.9 T EH036Q62
CK12O00P |C2013 04 09.42929 18 22 39.12 -07 06 25.3 EH036H06
CK12O00P |C2013 04 09.43187 18 22 39.03 -07 06 22.8 EH036H06
CK12O00P |C2013 04 09.43445 18 22 38.93 -07 06 20.4 18.8 T EH036H06
CK12O00P |C2013 04 11.44317 18 21 18.80 -06 34 37.9 cEH036H06
CK12O00P |C2013 04 11.44545 18 21 18.72 -06 34 36.4 cEH036H06
CK12O00P |C2013 04 11.44773 18 21 18.63 -06 34 34.6 19.1 TcEH036H06
CK12O00P KC2013 04 15.11745 18 18 37.41 -05 35 35.7 tEH036204
CK12O00P KC2013 04 15.12630 18 18 37.02 -05 35 27.1 19.4 TtEH036204
CK12O00P KC2013 04 15.13563 18 18 36.54 -05 35 18.3 tEH036204
CK12O00P C2013 04 18.37631018 15 57.95 -04 42 06.7 18.7 TtEH036W85
CK12O00P C2013 04 18.37825218 15 57.84 -04 42 04.9 18.6 TtEH036W85
CK12O00P C2013 04 18.38198818 15 57.64 -04 42 01.2 18.7 TtEH036W85
CK12O00P C2013 04 18.38386818 15 57.55 -04 41 59.2 18.7 TtEH036W85
CK12O00P C2013 04 18.38761218 15 57.34 -04 41 55.5 18.5 TtEH036W85
CK12O00P C2013 04 18.39321518 15 57.06 -04 41 49.8 18.3 TtEH036W85
CK12O00P C2013 04 18.39696418 15 56.87 -04 41 46.3 19.1 TtEH036W85
CK12O00P C2013 04 18.40445418 15 56.47 -04 41 39.0 18.8 TtEH036W85
CK12O00P 7C2013 04 19.48299 18 15 00.40 -04 23 47.5 tEH036F65
CK12O00P 7C2013 04 19.48861 18 15 00.11 -04 23 41.9 tEH036F65
CK12O00P 7C2013 04 19.49422 18 14 59.80 -04 23 36.5 18.9 TtEH036F65
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer
C. Colazo. 1.54-m f/4.8 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi. Measurers L. Buzzi,
S. Foglia, T. Vorobjov, T. Lister. 2.0-m f/10 Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer, 0.51-m f/6.8 astrograph + CCD
+ f/4.5 focal reducer.
807 Cerro To">Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
W85 Cerro Tololo-LCOGT A. Observers L. Buzzi, T. Vorobjov, S. Foglia,
P. Miller, T. Lister. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien
+ CCD.
Orbital elements:
C/2012 OP (Siding Spring)
Epoch 2012 Dec. 19.0 TT = JDT 2456280.5
T 2012 Dec. 4.74202 TT MPC
q 3.6071110 (2000.0) P Q
z +0.0009381 Peri. 351.43541 +0.01710291 -0.42161132
+/-0.0000042 Node 267.37058 -0.85516440 -0.47600006
e 0.9966160 Incl. 114.82820 -0.51807464 +0.77179521
From 64 observations 2012 July 16-2013 Apr. 19, mean residual 0".3.
C/2012 OP (Siding Spring)
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5
T 2012 Dec. 4.70933 TT MPC
q 3.6070519 (2000.0) P Q
z +0.0009297 Peri. 351.42858 +0.01715751 -0.42162369
+/-0.0000042 Node 267.37070 -0.85510817 -0.47609943
e 0.9966465 Incl. 114.82914 -0.51816565 +0.77172715
From 64 observations 2012 July 16-2013 Apr. 19, mean residual 0".3.
Ephemeris:
C/2012 OP (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2013 03 24 18 30 06.1 -11 09 15 3.6762 3.7391 85.9 15.4 20.0
...
2013 04 08 18 23 32.5 -07 28 43 3.4457 3.7767 101.6 15.1 19.9
...
2013 04 16 18 17 55.8 -05 21 12 3.3334 3.7985 110.2 14.4 19.8
...
2013 04 22 18 12 42.6 -03 41 41 3.2572 3.8156 116.7 13.6 19.8
2013 04 23 18 11 45.3 -03 24 49 3.2453 3.8185 117.7 13.5 19.7
2013 04 24 18 10 46.6 -03 07 53 3.2337 3.8215 118.8 13.3 19.7
...
2013 04 30 18 04 24.8 -01 25 06 3.1696 3.8394 125.2 12.4 19.7
...
2013 05 08 17 54 39.5 +00 53 39 3.1015 3.8644 133.3 11.0 19.6
...
2013 05 23 17 33 07.9 +05 07 23 3.0377 3.9141 145.5 8.4 19.5
C/2012 OP (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2013 03 24 18 30 06.1 -11 09 15 3.6762 3.7391 85.9 15.4 20.0
...
2013 04 08 18 23 32.5 -07 28 43 3.4457 3.7767 101.6 15.1 19.9
...
2013 04 16 18 17 55.8 -05 21 12 3.3334 3.7985 110.2 14.4 19.8
...
2013 04 22 18 12 42.6 -03 41 41 3.2572 3.8156 116.7 13.6 19.8
2013 04 23 18 11 45.3 -03 24 49 3.2453 3.8185 117.7 13.5 19.7
2013 04 24 18 10 46.6 -03 07 53 3.2337 3.8215 118.8 13.3 19.7
...
2013 04 30 18 04 24.8 -01 25 06 3.1696 3.8394 125.2 12.4 19.7
...
2013 05 08 17 54 39.5 +00 53 39 3.1015 3.8644 133.3 11.0 19.6
...
2013 05 23 17 33 07.9 +05 07 23 3.0377 3.9141 145.5 8.4 19.5
Gareth V. Williams (C) Copyright 2013 MPC M.P.E.C. 2013-H36
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