MPEC 2006-P09 : COMET P/2006 HR30 (SIDING SPRING)
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M.P.E.C. 2006-P09 Issued 2006 Aug. 3, 21:13 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2006 HR30 (SIDING SPRING)
Observations:
PK06H30R C2006 07 28.99038 22 44 55.27 +12 56 36.8 15.8 N EP009A06
PK06H30R C2006 07 28.99333 22 44 55.17 +12 56 39.9 15.8 N EP009A06
PK06H30R C2006 07 28.99702 22 44 55.02 +12 56 44.2 15.8 N EP009A06
PK06H30R C2006 07 29.65227 22 44 30.19 +13 08 38.9 15.5 N EP009379
PK06H30R C2006 07 29.65352 22 44 30.12 +13 08 40.4 15.5 N EP009379
PK06H30R C2006 07 29.65726 22 44 30.00 +13 08 44.4 15.6 N EP009379
PK06H30R C2006 07 29.65851 22 44 29.94 +13 08 45.8 15.6 N EP009379
PK06H30R C2006 07 29.66258 22 44 29.77 +13 08 50.1 15.7 N EP009379
PK06H30R C2006 07 29.66383 22 44 29.73 +13 08 51.5 15.6 N EP009379
PK06H30R C2006 07 29.66756 22 44 29.57 +13 08 55.6 15.6 N EP009379
PK06H30R C2006 07 29.66880 22 44 29.51 +13 08 57.0 15.6 N EP009379
PK06H30R C2006 07 29.67005 22 44 29.48 +13 08 58.4 15.5 N EP009379
PK06H30R C2006 07 30.94776 22 43 38.51 +13 32 16.2 15.8 N EP009147
PK06H30R C2006 07 30.96071 22 43 37.96 +13 32 30.4 15.7 N EP009147
PK06H30R C2006 07 31.24797 22 43 26.00 +13 37 47.1 15.5 N EP009H45
PK06H30R C2006 07 31.24873 22 43 25.97 +13 37 48.0 15.4 N EP009H45
PK06H30R C2006 07 31.24931 22 43 25.96 +13 37 48.5 15.4 N EP009H45
PK06H30R C2006 07 31.24980 22 43 25.93 +13 37 49.1 15.4 N EP009H45
PK06H30R C2006 07 31.25028 22 43 25.91 +13 37 49.6 15.5 N EP009H45
PK06H30R C2006 07 31.25131 22 43 25.86 +13 37 50.8 15.5 N EP009H45
PK06H30R C2006 08 01.25589 22 42 42.54 +13 56 18.2 15.8 N EP009H45
PK06H30R C2006 08 01.25634 22 42 42.52 +13 56 18.7 15.8 N EP009H45
PK06H30R C2006 08 01.25703 22 42 42.49 +13 56 19.5 15.8 N EP009H45
PK06H30R C2006 08 01.25768 22 42 42.46 +13 56 20.1 15.7 N EP009H45
PK06H30R C2006 08 01.26153 22 42 42.29 +13 56 24.5 15.8 N EP009H45
PK06H30R C2006 08 01.26239 22 42 42.24 +13 56 25.4 15.8 N EP009H45
PK06H30R C2006 08 01.26343 22 42 42.19 +13 56 26.5 15.8 N EP009H45
Observer details:
147 Osservatorio Astronomico di Suno. Observers C. Cremaschini, D. Crespi,
S. Foglia, G. Galli, S. Minuto. Measurers C. Cremaschini, S. Foglia.
0.40-m f/4 reflector + CCD.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
A06 Mataro. Observers R. Lazaro, E. Cortes. Measurer E. Cortes. 0.25-m
f/3.6 Schmidt-Cassegrain + CCD.
H45 Petit Jean Mountain South. Observer P. C. Sherrod. 0.41-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2006 HR30 (Siding Spring)
Epoch 2007 Jan. 20.0 TT = JDT 2454120.5
T 2007 Jan. 2.2815 TT MPC
q 1.226435 (2000.0) P Q
n 0.0450815 Peri. 117.4137 +0.2821817 -0.8697202
a 7.818745 Node 309.9512 +0.5813866 +0.4907670
e 0.843142 Incl. 31.8845 +0.7631272 -0.0522931
P 21.9
From 265 observations 2005 July 6-2006 Aug. 1, mean residual 0".3.
Ephemeris:
P/2006 HR30 (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 08 03 22 41.37 +14 28.6 1.472 2.328 138.0 17.0 14.5
2006 08 13 22 31.43 +17 36.4 1.329 2.231 144.2 15.4 14.1
2006 08 23 22 17.55 +20 42.9 1.211 2.135 147.6 14.7 13.7
2006 09 02 22 00.14 +23 36.1 1.119 2.039 146.6 15.8 13.3
2006 09 12 21 40.47 +26 03.4 1.054 1.944 141.3 18.9 13.0
2006 09 22 21 20.55 +27 56.0 1.011 1.850 133.2 23.3 12.7
2006 10 02 21 02.78 +29 14.0 0.987 1.758 124.3 28.1 12.4
2006 10 12 20 49.13 +30 06.9 0.975 1.669 115.4 32.7 12.2
2006 10 22 20 40.72 +30 48.3 0.969 1.583 107.4 36.9 11.9
2006 11 01 20 38.07 +31 32.3 0.963 1.503 100.4 40.5 11.7
2006 11 11 20 41.18 +32 30.7 0.953 1.429 94.7 43.7 11.4
2006 11 21 20 50.08 +33 51.2 0.936 1.364 90.2 46.4 11.2
2006 12 01 21 05.08 +35 39.6 0.911 1.309 87.2 48.8 11.0
2006 12 11 21 26.95 +37 57.7 0.877 1.267 85.5 50.8 10.7
2006 12 21 21 57.24 +40 41.4 0.839 1.239 85.2 52.3 10.5
2006 12 31 22 38.40 +43 37.3 0.800 1.227 86.3 53.1 10.4
2007 01 10 23 32.99 +46 11.7 0.767 1.231 88.5 53.0 10.3
2007 01 20 00 41.32 +47 27.1 0.750 1.252 91.4 51.8 10.4
2007 01 30 01 57.28 +46 25.1 0.757 1.288 94.4 49.7 10.5
2007 02 09 03 09.55 +42 56.7 0.795 1.337 96.7 47.1 10.8
2007 02 19 04 10.39 +37 57.5 0.867 1.398 97.6 44.5 11.1
2007 03 01 04 59.02 +32 38.1 0.970 1.468 97.0 42.1 11.6
2007 03 11 05 37.99 +27 41.7 1.098 1.546 95.2 39.8 12.1
2007 03 21 06 10.14 +23 23.7 1.247 1.629 92.4 37.7 12.6
2007 03 31 06 37.60 +19 43.7 1.413 1.717 89.1 35.6 13.1
2007 04 10 07 01.79 +16 35.5 1.590 1.807 85.2 33.5 13.6
2007 04 20 07 23.66 +13 51.9 1.776 1.900 81.1 31.5 14.0
2007 04 30 07 43.83 +11 26.6 1.967 1.995 76.8 29.4 14.5
2007 05 10 08 02.70 +09 14.4 2.163 2.091 72.3 27.4 14.9
2007 05 20 08 20.55 +07 11.6 2.360 2.187 67.7 25.3 15.3
2007 05 30 08 37.57 +05 15.1 2.557 2.283 63.0 23.3 15.6
2007 06 09 08 53.89 +03 22.9 2.752 2.380 58.3 21.3 16.0
2007 06 19 09 09.60 +01 33.4 2.943 2.476 53.4 19.2 16.3
2007 06 29 09 24.78 -00 14.5 3.129 2.572 48.6 17.2 16.6
2007 07 09 09 39.47 -02 01.5 3.307 2.667 43.7 15.3 16.9
2007 07 19 09 53.70 -03 48.1 3.478 2.761 38.9 13.4 17.1
2007 07 29 10 07.52 -05 34.8 3.639 2.855 34.1 11.5 17.4
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-P09
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