[Iaude] MPEC P11: COMET P/2020 O3 (PANSTARRS)
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Aug 2 19:01:40 EDT 2020
M.P.E.C. 2020-P11 Issued 2020 August 2, 22:50 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2020 O3 (PANSTARRS)
On behalf of Pan-STARRS 1 (F51), R. Weryk reports the discovery of a comet
found on exposures taken on July 28 UT. Prediscovery observations taken on
July 20 by Pan-STARRS 2 (F52) were subsequently found. Reports of cometary
features are as follows:
OC Date Reporter Coma Tail PA Exposures
F52 2020-07-20 R. Weryk 0".9 6" 245 4x45s
F51 2020-07-28 R. Weryk 0".6 12" 240 3x45s
F51 2020-07-29 Y. Ramanjooloo 2".2 7".5 270 4x60s
I52 2020-07-30 R. A. Kowalski 5" 3' 230
F51 2020-07-30 R. Weryk 0".35 16" 240 4x60s
F51 2020-07-31 R. Weryk 1".1 42" 240
Observations:
PK20O030 C2020 07 20.48026622 05 20.078-02 06 32.30 20.88GVEP011F52
PK20O030 C2020 07 20.49182222 05 19.831-02 06 32.01 21.06GVEP011F52
PK20O030 C2020 07 20.50337722 05 19.553-02 06 32.04 20.87GVEP011F52
PK20O030 C2020 07 20.51495522 05 19.236-02 06 32.17 21.10GVEP011F52
PK20O030* C2020 07 28.50525622 01 53.743-02 09 13.45 21.08wUEP011F51
PK20O030 C2020 07 28.51861522 01 53.365-02 09 13.90 21.50wUEP011F51
PK20O030 C2020 07 28.53189122 01 52.943-02 09 14.82 20.78wUEP011F51
PK20O030 C2020 07 28.54516322 01 52.572-02 09 15.22 21.29wUEP011F51
PK20O030 KC2020 07 28.94697322 01 41.34 -02 09 33.7 20.8 GVEP011L01
PK20O030 KC2020 07 28.96994122 01 40.66 -02 09 34.8 20.6 GVEP011L01
PK20O030 KC2020 07 28.97111522 01 40.62 -02 09 34.9 20.7 GVEP011L01
PK20O030 C2020 07 29.50027 22 01 25.546-02 09 57.84 21.4 wUEP011F51
PK20O030 C2020 07 29.50997 22 01 25.255-02 09 58.12 21.5 wUEP011F51
PK20O030 C2020 07 29.51961 22 01 24.972-02 09 58.71 21.5 wUEP011F51
PK20O030 C2020 07 29.52920 22 01 24.681-02 09 59.07 21.6 wUEP011F51
PK20O030 C2020 07 30.29911 22 01 02.57 -02 10 37.7 20.5 GVEP011I52
PK20O030 C2020 07 30.31272 22 01 02.10 -02 10 39.6 19.8 GVEP011I52
PK20O030 C2020 07 30.31945 22 01 01.98 -02 10 39.4 20.3 GVEP011I52
PK20O030 C2020 07 30.51388 22 00 56.268-02 10 48.31 21.4 w EP011F51
PK20O030 C2020 07 30.52393 22 00 55.957-02 10 48.69 21.4 w EP011F51
PK20O030 C2020 07 30.53408 22 00 55.652-02 10 49.51 21.3 w EP011F51
PK20O030 C2020 07 30.54420 22 00 55.351-02 10 49.78 21.4 w EP011F51
PK20O030 C2020 07 31.54995 22 00 25.799-02 11 45.50 21.7 wUEP011F51
PK20O030 C2020 07 31.55772 22 00 25.551-02 11 45.76 21.8 wUEP011F51
PK20O030 C2020 07 31.56552 22 00 25.315-02 11 46.22 21.6 wUEP011F51
PK20O030 C2020 07 31.57332 22 00 25.066-02 11 46.53 21.7 wUEP011F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
P/2020 O3 (PANSTARRS)
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5
T 2020 Dec. 31.40782 TT Rudenko
q 4.1744179 (2000.0) P Q
n 0.09786140 Peri. 77.85126 +0.95420530 +0.26076473
a 4.6636768 Node 266.89810 -0.29790548 +0.87299464
e 0.1049084 Incl. 8.44289 +0.02728696 +0.41216759
P 10.1
>From 26 observations 2020 July 20-31, mean residual 0".3.
P/2020 O3 (PANSTARRS)
Epoch 2031 Jan. 14.0 TT = JDT 2462880.5
T 2030 Dec. 29.70935 TT Rudenko
q 4.1692233 (2000.0) P Q
n 0.09821995 Peri. 77.00320 +0.94983548 +0.27622688
a 4.6523201 Node 266.81639 -0.31206370 +0.86812307
e 0.1038400 Incl. 8.44697 +0.02070786 +0.41238459
P 10.0
>From 26 observations 2020 July 20-31, mean residual 0".3.
P/2020 O3 (PANSTARRS)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2020 Dec. 28.92915 TT Rudenko
q 4.1748105 (2000.0) P Q
n 0.09763190 Peri. 77.52850 +0.95285505 +0.26563369
a 4.6709823 Node 266.92788 -0.30237803 +0.87142636
e 0.1062243 Incl. 8.44502 +0.02519486 +0.41237706
P 10.1
>From 26 observations 2020 July 20-31, mean residual 0".3.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 07 03 22 10 08.3 -02 21 28 3.5105 4.2033 127.1 11.1 21.0
...
2020 07 18 22 06 15.3 -02 06 54 3.3524 4.1988 141.8 8.6 20.9
...
2020 07 26 22 03 02.4 -02 07 44 3.2872 4.1965 149.8 7.0 20.8
...
2020 08 01 22 00 12.5 -02 12 11 3.2485 4.1949 155.8 5.7 20.8
2020 08 02 21 59 42.4 -02 13 13 3.2429 4.1946 156.8 5.5 20.8
2020 08 03 21 59 11.9 -02 14 21 3.2376 4.1943 157.7 5.3 20.8
...
2020 08 09 21 56 00.8 -02 22 47 3.2115 4.1928 163.3 4.0 20.8
...
2020 08 17 21 51 31.3 -02 38 05 3.1922 4.1908 169.1 2.6 20.7
...
2020 09 01 21 43 07.9 -03 15 53 3.2057 4.1874 164.7 3.7 20.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-P11
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