MPEC 2010-U19 : COMET P/2010 U2 (HILL)
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M.P.E.C. 2010-U19 Issued 2010 Oct. 18, 17:49 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.org/iau/mpc.html ISSN 1523-6714
COMET P/2010 U2 (HILL)
Observations:
PK10U020 C2010 10 01.07601 02 18 39.71 +28 33 18.7 17.8 T EU019J75
PK10U020 C2010 10 01.08866 02 18 39.31 +28 33 24.1 17.7 T EU019J75
PK10U020 C2010 10 01.10131 02 18 38.85 +28 33 29.6 18.6 T EU019J75
PK10U020 C2010 10 09.35428 02 13 14.77 +29 31 05.0 18.2 T EU019703
PK10U020 C2010 10 09.36358 02 13 14.30 +29 31 07.1 18.2 T EU019703
PK10U020 C2010 10 09.37279 02 13 13.94 +29 31 11.6 18.2 T EU019703
PK10U020 C2010 10 09.38207 02 13 13.47 +29 31 15.4 18.1 T EU019703
PK10U020 C2010 10 17.31577 02 06 43.63 +30 14 15.5 18.2 T EU019703
PK10U020 C2010 10 17.32193 02 06 43.27 +30 14 16.5 18.4 T EU019703
PK10U020 C2010 10 17.32807 02 06 42.91 +30 14 18.8 17.7 T EU019703
PK10U020 C2010 10 17.33424 02 06 42.58 +30 14 21.0 18.1 T EU019703
PK10U020 C2010 10 17.36206 02 06 41.04 +30 14 28.0 17.9 T EU019703
PK10U020 C2010 10 17.36858 02 06 40.68 +30 14 29.2 17.8 T EU019703
PK10U020 C2010 10 17.37514 02 06 40.28 +30 14 30.4 18.1 T EU019703
PK10U020 C2010 10 17.38163 02 06 39.99 +30 14 32.0 18.0 T EU019703
PK10U020 C2010 10 17.41844 02 06 38.01 +30 14 43.2 18.6 T EU019G96
PK10U020 KC2010 10 17.42352602 06 37.59 +30 14 42.9 18.2 T EU019H21
PK10U020 C2010 10 17.42400 02 06 37.69 +30 14 44.3 18.3 T EU019G96
PK10U020 C2010 10 17.42963 02 06 37.36 +30 14 45.7 18.1 T EU019G96
PK10U020 KC2010 10 17.43125102 06 37.23 +30 14 45.1 18.4 T EU019H21
PK10U020 C2010 10 17.43523 02 06 37.08 +30 14 47.5 18.3 T EU019G96
PK10U020 IC2010 10 17.43897102 06 36.75 +30 14 47.8 EU019H21
PK10U020 %C2010 10 17.46008 02 06 35.68 +30 14 54.1 18.3 T EU019H06
PK10U020 %C2010 10 17.47019 02 06 35.17 +30 14 56.8 17.8 T EU019H06
PK10U020 C2010 10 17.47867 02 06 35.26 +30 14 57.6 18.6 T EU019300
PK10U020 C2010 10 17.47962 02 06 35.25 +30 14 57.6 18.5 T EU019300
PK10U020 C2010 10 17.48532 02 06 34.95 +30 15 00.2 18.4 T EU019300
PK10U020 C2010 10 17.50450 02 06 33.92 +30 15 05.2 18.7 T EU019300
PK10U020 C2010 10 17.50580 02 06 33.81 +30 15 06.0 18.4 T EU019300
PK10U020 C2010 10 17.50710 02 06 33.79 +30 15 05.9 18.3 T EU019300
PK10U020 C2010 10 17.50839 02 06 33.74 +30 15 06.3 18.5 T EU019300
PK10U020 C2010 10 17.50969 02 06 33.63 +30 15 07.1 18.3 T EU019300
PK10U020 C2010 10 17.51669 02 06 33.26 +30 15 09.8 19.1 T EU019900
PK10U020 C2010 10 17.52382 02 06 32.83 +30 15 12.1 18.2 T EU019900
PK10U020 C2010 10 17.53095 02 06 32.47 +30 15 13.7 18.9 T EU019900
PK10U020 KC2010 10 17.81307 02 06 17.53 +30 16 28.3 18.6 T EU019113
PK10U020 KC2010 10 17.82003 02 06 17.15 +30 16 30.5 18.3 T EU019113
PK10U020 KC2010 10 17.82706 02 06 16.72 +30 16 32.6 18.6 T EU019113
PK10U020 KC2010 10 17.83761 02 06 16.16 +30 16 34.5 17.7 T EU019A17
PK10U020 KC2010 10 17.83818 02 06 16.19 +30 16 36.1 19.0 T EU019B20
PK10U020 KC2010 10 17.84344 02 06 15.90 +30 16 36.5 17.9 T EU019A17
PK10U020 KC2010 10 17.84769 02 06 15.67 +30 16 37.6 18.4 T EU019A17
PK10U020 KC2010 10 17.84927 02 06 15.59 +30 16 39.0 19.1 T EU019B20
PK10U020 KC2010 10 17.85404 02 06 15.32 +30 16 39.4 18.2 T EU019A17
PK10U020 KC2010 10 17.86231 02 06 14.86 +30 16 41.8 18.9 T EU019B20
PK10U020 KC2010 10 17.87570 02 06 14.24 +30 16 45.6 19.2 T EU019J28
PK10U020 KC2010 10 17.89663 02 06 13.07 +30 16 51.3 18.1 T EU019J28
PK10U020 |C2010 10 18.18522 02 05 57.64 +30 18 09.8 EU019H06
PK10U020 |C2010 10 18.18748 02 05 57.54 +30 18 10.1 EU019H06
PK10U020 |C2010 10 18.18974 02 05 57.45 +30 18 10.5 17.8 T EU019H06
PK10U020 KC2010 10 18.26479 02 05 53.33 +30 18 30.6 EU019H10
PK10U020 KC2010 10 18.27734 02 05 52.61 +30 18 34.3 EU019H10
PK10U020 KC2010 10 18.29228 02 05 51.79 +30 18 37.7 17.6 T EU019H10
PK10U020 %C2010 10 18.29748 02 05 51.49 +30 18 39.6 17.8 T EU019H06
PK10U020 %C2010 10 18.30252 02 05 51.22 +30 18 41.0 17.9 T EU019H06
PK10U020 %C2010 10 18.30757 02 05 50.91 +30 18 42.0 17.7 T EU019H06
PK10U020 *C2010 10 18.35972 02 05 48.04 +30 18 55.7 18.3 T EU019H06
PK10U020 *C2010 10 18.37057 02 05 47.37 +30 18 57.8 18.0 T EU019H06
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/6.7
reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, S. Okumura. 1.0-m
f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observers R. A. Kowalski, R. E. Hill. Measurers
J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B20 Observatorio Carmelita, Tiana. Observer J. M. Aymami. 0.25-m f/4.3
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero, V. Gonano,
L. Donato, H. Sato, R. Ligustri. 0.25-m f/3.3 reflector + CCD, 0.30-m
f/9.2 Cassegrain + CCD.
H10 Tzec Maun Observatory, Mayhill. Observers L. Buzzi, S. Foglia. 0.36-m
f/3.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, T. Vorobjov. 0.61-m f/4.0 astrograph + CCD.
J28 Jaen. Observer J. J. Martin. 0.20-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss,
M. Hurtado, W. K. Y. Yeung, J. Rodriguez. 0.45-m f/2.8 reflector + CCD.
Orbital elements:
P/2010 U2 (Hill)
T 2010 Nov. 9.7461 TT MPC
q 2.556691 (2000.0) P Q
n 0.1110298 Peri. 44.2705 +0.7473018 -0.6643379
a 4.287225 Node 357.2471 +0.4997319 +0.5757475
e 0.403649 Incl. 16.9097 +0.4379589 +0.4766235
P 8.88
From 58 observations 2010 Oct. 1-18.
Ephemeris:
P/2010 U2 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 10 11 02 11.99 +29 41.1 1.639 2.565 152.2 10.5 18.2
2010 10 21 02 03.41 +30 29.7 1.604 2.560 159.4 7.9 18.1
2010 10 31 01 54.05 +30 57.0 1.595 2.558 162.0 6.9 18.1
2010 11 10 01 45.17 +31 04.3 1.611 2.557 158.0 8.3 18.1
2010 11 20 01 38.01 +30 56.7 1.653 2.558 150.2 11.1 18.2
2010 11 30 01 33.44 +30 41.2 1.717 2.560 141.1 14.0 18.3
2010 12 10 01 31.90 +30 24.7 1.800 2.565 131.9 16.6 18.4
2010 12 20 01 33.50 +30 12.9 1.900 2.571 123.0 18.7 18.5
2010 12 30 01 38.05 +30 08.9 2.012 2.580 114.5 20.3 18.6
2011 01 09 01 45.28 +30 14.4 2.134 2.589 106.4 21.4 18.8
2011 01 19 01 54.85 +30 29.3 2.263 2.601 98.8 22.0 18.9
2011 01 29 02 06.44 +30 52.5 2.396 2.614 91.5 22.1 19.1
2011 02 08 02 19.77 +31 22.5 2.531 2.629 84.7 21.9 19.2
2011 02 18 02 34.59 +31 57.5 2.666 2.646 78.1 21.4 19.4
2011 02 28 02 50.67 +32 35.5 2.801 2.664 71.8 20.7 19.5
2011 03 10 03 07.84 +33 14.5 2.933 2.683 65.8 19.7 19.6
2011 03 20 03 25.94 +33 52.7 3.061 2.704 59.9 18.6 19.7
2011 03 30 03 44.80 +34 28.5 3.185 2.726 54.3 17.3 19.9
2011 04 09 04 04.30 +35 00.5 3.303 2.749 48.8 15.9 20.0
2011 04 19 04 24.30 +35 27.3 3.415 2.774 43.5 14.4 20.1
2011 04 29 04 44.65 +35 48.0 3.520 2.799 38.3 12.9 20.2
2011 05 09 05 05.25 +36 01.8 3.616 2.826 33.2 11.3 20.3
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-U19
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