MPEC 2020-S99 : COMET P/2020 R5 (PANSTARRS)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2020-S98
Read MPEC 2020-S100
M.P.E.C. 2020-S99 Issued 2020 September 19, 20:59 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/2020 R5 (PANSTARRS)
Y. Ramanjooloo reports the discovery of a comet in four 45 second exposures
taken on Sep. 14 UT from Pan-STARRS 2 (F52), noting a 1".74 coma and 6" tail
toward PA 230. Prediscovery images have been found going back to May 2019.
Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
F52 2020-09-16 Y. Ramanjooloo 2".35 6" 235 4x45s
F51 2020-09-17 Y. Ramanjooloo 2".3 7" 235 4x45s
G96 2020-09-18 K. Wierzchos 4" 20" 240 4x30s
L01 2020-09-18 K. Korlevic 8" 24" 232
Observations:
PK20R050 C2019 05 30.56952120 37 18.899-13 09 47.96 22.86GVES099F51
PK20R050 C2019 05 30.58255920 37 18.902-13 09 45.36 22.81GVES099F51
PK20R050 C2019 06 30.47425520 30 19.653-11 55 34.65 22.50GVES099F51
PK20R050 C2019 06 30.48661520 30 19.305-11 55 33.52 22.65GVES099F51
PK20R050 C2019 06 30.49898620 30 18.941-11 55 32.49 22.03GVES099F51
PK20R050 C2019 07 25.37795120 15 58.868-11 36 36.22 22.17GVES099F51
PK20R050 C2019 07 25.38997020 15 58.385-11 36 36.15 21.61GVES099F51
PK20R050 C2019 07 25.40197520 15 57.917-11 36 36.22 22.13GVES099F51
PK20R050 C2019 07 25.41397920 15 57.425-11 36 36.17 22.02GVES099F51
PK20R050 C2019 07 29.39649520 13 23.300-11 36 29.10 21.99GVES099F52
PK20R050 C2019 07 29.40879120 13 22.832-11 36 29.15 21.46GVES099F52
PK20R050 C2019 07 29.42103620 13 22.340-11 36 29.43 22.45GVES099F52
PK20R050 C2019 07 29.43341120 13 21.840-11 36 29.36 22.17GVES099F52
PK20R050 C2019 08 05.37347120 08 57.663-11 37 45.17 21.97GVES099F51
PK20R050 C2019 08 05.38604720 08 57.191-11 37 45.32 21.53GVES099F51
PK20R050 C2019 08 05.39865320 08 56.688-11 37 45.72 21.77GVES099F51
PK20R050 C2019 08 05.41124720 08 56.230-11 37 46.14 22.31GVES099F51
PK20R050 C2019 09 03.32124319 55 17.143-11 53 11.91 22.41GVES099F51
PK20R050 C2019 09 03.33419619 55 16.913-11 53 12.70 22.66GVES099F51
PK20R050 C2020 07 31.42038 01 07 55.95 +21 13 10.6 20.1 GVES099G96
PK20R050 C2020 07 31.42555 01 07 56.05 +21 13 12.3 20.1 GVES099G96
PK20R050 C2020 07 31.43072 01 07 56.18 +21 13 14.2 20.0 GVES099G96
PK20R050 C2020 07 31.43592 01 07 56.29 +21 13 15.9 20.3 GVES099G96
PK20R050 C2020 08 23.49515 01 10 54.305+22 49 43.12 21.0 wUES099F51
PK20R050 C2020 08 23.50749 01 10 54.213+22 49 45.29 21.0 wUES099F51
PK20R050 C2020 08 23.51991 01 10 54.149+22 49 47.22 20.9 wUES099F51
PK20R050 C2020 08 23.53271 01 10 54.069+22 49 49.55 21.0 wUES099F51
PK20R050 C2020 09 03.46359801 08 57.100+23 11 28.85 20.51GVES099F51
PK20R050 C2020 09 03.48257901 08 56.743+23 11 30.13 20.60GVES099F51
PK20R050 C2020 09 03.49223701 08 56.597+23 11 31.30 20.56GVES099F51
PK20R050* C2020 09 14.43333301 05 00.594+23 14 46.36 20.53wUES099F52
PK20R050 C2020 09 14.44366601 05 00.306+23 14 46.10 20.45wUES099F52
PK20R050 C2020 09 14.45405101 05 00.036+23 14 45.81 20.58wUES099F52
PK20R050 C2020 09 14.46439501 04 59.734+23 14 45.63 20.49wUES099F52
PK20R050 |C2020 09 15.38102 01 04 35.11 +23 14 07.1 VES099H06
PK20R050 |C2020 09 15.38799 01 04 34.90 +23 14 07.2 19.9 GVES099H06
PK20R050 C2020 09 16.54983801 04 02.869+23 13 09.03 20.14wUES099F52
PK20R050 C2020 09 16.56138901 04 02.525+23 13 08.54 20.79wUES099F52
PK20R050 C2020 09 16.57293301 04 02.215+23 13 07.75 20.41wUES099F52
PK20R050 C2020 09 16.58447901 04 01.873+23 13 07.26 20.91wUES099F52
PK20R050 C2020 09 16.58676701 04 01.796+23 13 06.80 20.47wUES099F52
PK20R050 C2020 09 16.58740501 04 01.789+23 13 07.14 20.55wUES099F52
PK20R050 C2020 09 16.59760801 04 01.485+23 13 06.56 20.47wUES099F52
PK20R050 C2020 09 16.59824301 04 01.454+23 13 06.27 20.46wUES099F52
PK20R050 C2020 09 16.60844101 04 01.165+23 13 05.46 20.17wUES099F52
PK20R050 C2020 09 16.60907801 04 01.157+23 13 05.62 20.72wUES099F52
PK20R050 C2020 09 16.61928101 04 00.857+23 13 05.12 20.73wUES099F52
PK20R050 C2020 09 16.61991801 04 00.826+23 13 05.03 20.76wUES099F52
PK20R050 KC2020 09 17.35223 01 03 40.23 +23 12 20.6 oES099711
PK20R050 KC2020 09 17.35636 01 03 40.12 +23 12 19.9 oES099711
PK20R050 KC2020 09 17.36048 01 03 39.98 +23 12 20.1 oES099711
PK20R050 C2020 09 17.41104501 03 38.704+23 12 17.02 20.66wUES099F51
PK20R050 C2020 09 17.42530601 03 38.279+23 12 16.17 20.58wUES099F51
PK20R050 C2020 09 17.43956501 03 37.854+23 12 15.29 20.66wUES099F51
PK20R050 C2020 09 17.45380401 03 37.422+23 12 14.43 20.56wUES099F51
PK20R050 KC2020 09 18.90391001 02 55.20 +23 10 27.9 20.1 GVES099L01
PK20R050 KC2020 09 18.92648201 02 54.48 +23 10 25.1 19.9 GVES099L01
Observer details:
711 McDonald Observatory, Fort Davis. Observers J. W. Kuehne, J. G. Ries.
Measurer J. G. Ries. 2.1-m reflector + CCD + focal reducer.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 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, K. Chambers, T. de Boer, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observer T. A. Pruyne. 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. 1.5-m reflector + 10K CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Lyon. Measurer K.
Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
P/2020 R5 (PANSTARRS)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2020 May 28.08730 TT Rudenko
q 3.4130453 (2000.0) P Q
n 0.08872285 Peri. 82.30150 +0.97688396 +0.07978946
a 4.9786590 Node 272.96886 -0.15486967 +0.90364912
e 0.3144649 Incl. 11.45440 +0.14735368 +0.42077536
P 11.1
From 57 observations 2019 May 30-2020 Sept. 18, mean residual 0".2.
P/2020 R5 (PANSTARRS)
Epoch 2031 Aug. 2.0 TT = JDT 2463080.5
T 2031 July 22.62834 TT Rudenko
q 3.4219999 (2000.0) P Q
n 0.08838387 Peri. 82.91112 +0.97758442 +0.07065986
a 4.9913808 Node 272.89598 -0.14638678 +0.90516408
e 0.3144182 Incl. 11.45431 +0.15132615 +0.41914815
P 11.2
From 57 observations 2019 May 30-2020 Sept. 18, mean residual 0".2.
P/2020 R5 (PANSTARRS)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2020 May 28.08730 TT Rudenko
q 3.4130453 (2000.0) P Q
n 0.08872285 Peri. 82.30150 +0.97688396 +0.07978946
a 4.9786590 Node 272.96886 -0.15486967 +0.90364912
e 0.3144649 Incl. 11.45440 +0.14735368 +0.42077536
P 11.1
From 57 observations 2019 May 30-2020 Sept. 18, mean residual 0".2.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 08 20 01 11 04.4 +22 39 13 2.8085 3.4409 121.0 14.6 19.8
...
2020 09 04 01 08 48.1 +23 12 05 2.6654 3.4516 134.9 12.0 19.7
...
2020 09 12 01 06 02.3 +23 15 43 2.6051 3.4580 142.5 10.2 19.7
...
2020 09 18 01 03 21.6 +23 11 37 2.5688 3.4631 148.1 8.8 19.6
2020 09 19 01 02 52.3 +23 10 21 2.5636 3.4640 149.1 8.6 19.6
2020 09 20 01 02 22.3 +23 08 56 2.5586 3.4649 150.0 8.3 19.6
...
2020 09 26 00 59 10.3 +22 57 00 2.5338 3.4704 155.4 6.9 19.6
...
2020 10 04 00 54 32.8 +22 32 36 2.5151 3.4781 161.5 5.2 19.6
...
2020 10 19 00 45 48.8 +21 25 15 2.5274 3.4937 163.4 4.7 19.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-S99
Read MPEC 2020-S98
Read MPEC 2020-S100
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)