MPEC 2017-V48 : COMET P/2017 U3 (PANSTARRS)
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M.P.E.C. 2017-V48 Issued 2017 Nov. 13, 00:46 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 P/2017 U3 (PANSTARRS)
Observations:
PK17U030 C2017 10 01.58111 03 24 40.509+02 07 46.62 21.7 TLEV048F51
PK17U030 C2017 10 01.59280 03 24 40.344+02 07 43.44 21.6 TLEV048F51
PK17U030 C2017 10 19.49809 03 18 42.196+00 45 23.30 20.2 TLEV048F51
PK17U030 C2017 10 19.51136 03 18 41.846+00 45 19.29 20.6 TLEV048F51
PK17U030 C2017 10 19.52470 03 18 41.506+00 45 15.84 20.6 TLEV048F51
PK17U030 C2017 10 24.34135 03 16 31.73 +00 24 07.5 UEV048G96
PK17U030 C2017 10 24.34656 03 16 31.49 +00 24 05.0 20.1 TUEV048G96
PK17U030 C2017 10 24.35180 03 16 31.34 +00 24 03.7 20.1 TUEV048G96
PK17U030 C2017 10 24.35701 03 16 31.16 +00 24 03.1 20.1 TUEV048G96
PK17U030 C2017 10 28.50417 03 14 31.178+00 06 39.75 21.7 TLEV048F51
PK17U030 C2017 10 28.51617 03 14 30.805+00 06 36.88 21.8 TLEV048F51
PK17U030 C2017 10 28.52812 03 14 30.444+00 06 33.87 21.8 TLEV048F51
PK17U030 C2017 10 28.54005 03 14 30.109+00 06 31.08 21.7 TLEV048F51
PK17U030 C2017 10 29.33021 03 14 06.45 +00 03 18.1 oEV048711
PK17U030 C2017 10 29.33525 03 14 06.31 +00 03 17.1 oEV048711
PK17U030 IC2017 10 29.34029 03 14 06.08 +00 03 15.5 oEV048711
PK17U030 KC2017 10 29.34706 03 14 05.98 +00 03 13.8 oEV048691
PK17U030 KC2017 10 29.35435 03 14 05.77 +00 03 12.4 oEV048691
PK17U030 KC2017 10 29.36165 03 14 05.54 +00 03 10.9 oEV048691
PK17U030 C2017 10 29.38939103 14 04.68 +00 03 03.9 20.3 TUEV048H01
PK17U030 C2017 10 29.39727803 14 04.46 +00 03 01.8 20.3 TUEV048H01
PK17U030 C2017 10 29.40332103 14 04.27 +00 03 00.5 20.3 TUEV048H01
PK17U030 C2017 10 29.41708703 14 03.85 +00 02 57.2 20.4 TUEV048H01
PK17U030 C2017 10 29.48390 03 14 01.914+00 02 41.26 21.7 TLEV048F51
PK17U030 C2017 10 29.49652 03 14 01.533+00 02 38.32 22.0 TLEV048F51
PK17U030 C2017 10 29.50926 03 14 01.136+00 02 35.25 21.7 TLEV048F51
PK17U030 C2017 10 29.52180 03 14 00.735+00 02 32.07 22.0 TLEV048F51
PK17U030 KC2017 10 30.31146 03 13 36.85 -00 00 37.8 oEV048711
PK17U030 KC2017 10 30.31736 03 13 36.68 -00 00 39.0 oEV048711
PK17U030 KC2017 10 30.32214 03 13 36.57 -00 00 40.0 oEV048711
PK17U030 |C2017 10 30.37908 03 13 34.85 -00 00 53.9 vEV048H06
PK17U030 ^C2017 10 30.38317 03 13 34.72 -00 00 54.6 21.4 ToEV048695
PK17U030 |C2017 10 30.38389 03 13 34.70 -00 00 54.9 vEV048H06
PK17U030 |C2017 10 30.38869 03 13 34.53 -00 00 56.3 20.3 TvEV048H06
PK17U030 ^C2017 10 30.39047 03 13 34.50 -00 00 56.1 21.4 ToEV048695
PK17U030 ^C2017 10 30.39779 03 13 34.27 -00 00 58.1 21.0 ToEV048695
PK17U030 HC2017 11 10.27136 03 07 52.21 -00 40 04.3 20.7 ToEV048691
PK17U030 HC2017 11 10.28750 03 07 51.71 -00 40 07.1 20.3 ToEV048691
PK17U030 HC2017 11 10.30435 03 07 51.17 -00 40 10.5 20.5 ToEV048691
PK17U030 KC2017 11 11.28298 03 07 19.74 -00 43 14.6 oEV048711
PK17U030 KC2017 11 11.28658 03 07 19.62 -00 43 14.9 oEV048711
PK17U030 KC2017 11 11.29025 03 07 19.52 -00 43 15.9 oEV048711
PK17U030 KC2017 11 12.23318 03 06 49.25 -00 46 07.0 19.6 ToEV048291
PK17U030 KC2017 11 12.25913 03 06 48.35 -00 46 12.2 20.2 ToEV048291
PK17U030 KC2017 11 12.28103 03 06 47.69 -00 46 16.1 20.5 ToEV048291
PK17U030 IC2017 11 12.30608 03 06 46.85 -00 46 21.1 oEV048711
PK17U030 KC2017 11 12.31039 03 06 46.75 -00 46 22.0 oEV048711
PK17U030 KC2017 11 12.31489 03 06 46.59 -00 46 22.8 oEV048711
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observers R. A. Mastaler, M. J. Brucker.
Measurers R. A. Mastaler, J. V. Scotti. 0.9-m f/3 reflector + CCD.
695 Kitt Peak. Observer J. V. Scotti. 2.3-m f/9 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
P/2017 U3 (PANSTARRS)
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2019 Apr. 20.43499 TT MPCW
q 4.4439311 (2000.0) P Q
n 0.08991224 Peri. 297.33509 -0.22426461 -0.97198078
a 4.9346554 Node 165.11126 +0.96260392 -0.23221065
e 0.0994445 Incl. 15.90614 +0.15198382 +0.03649068
P 10.96
From 48 observations 2017 Oct. 1-Nov. 12, mean residual 0".5.
P/2017 U3 (PANSTARRS)
Epoch 2030 Apr. 9.0 TT = JDT 2462600.5
T 2030 Mar. 22.63625 TT MPCW
q 4.4218683 (2000.0) P Q
n 0.09061135 Peri. 297.15859 -0.21948145 -0.97302909
a 4.9092405 Node 165.00151 +0.96374359 -0.22755588
e 0.0992765 Incl. 15.92536 +0.15174383 +0.03785119
P 10.88
From 48 observations 2017 Oct. 1-Nov. 12, mean residual 0".5.
P/2017 U3 (PANSTARRS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2019 Apr. 21.46900 TT MPCW
q 4.4432022 (2000.0) P Q
n 0.08984751 Peri. 297.43552 -0.22642627 -0.97148873
a 4.9370252 Node 165.13908 +0.96209517 -0.23433069
e 0.1000244 Incl. 15.90639 +0.15200008 +0.03603856
P 10.97
From 48 observations 2017 Oct. 1-Nov. 12, mean residual 0".5.
Ephemeris:
P/2017 U3 (PANSTARRS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 10 14 03 20 55.1 +01 10 23 3.7728 4.6502 148.2 6.5 20.6
...
2017 10 29 03 14 16.4 +00 04 40 3.6952 4.6402 159.8 4.2 20.5
...
2017 11 06 03 10 08.8 -00 25 45 3.6801 4.6350 162.5 3.7 20.5
...
2017 11 12 03 06 56.7 -00 45 24 3.6811 4.6311 161.6 3.9 20.5
2017 11 13 03 06 24.6 -00 48 23 3.6824 4.6304 161.2 3.9 20.5
2017 11 14 03 05 52.6 -00 51 16 3.6839 4.6298 160.8 4.0 20.5
...
2017 11 20 03 02 42.8 -01 06 32 3.6991 4.6259 157.2 4.7 20.5
...
2017 11 28 02 58 43.7 -01 21 04 3.7353 4.6208 150.7 6.0 20.5
...
2017 12 13 02 52 36.4 -01 29 14 3.8480 4.6114 136.4 8.5 20.6
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-V48
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