[Iaude] MPEC P70: 2020 PY4 [a=2.53,e=0.81,i=8.6,H=21.30]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Mon Aug 5 23:32:20 EDT 2024
M.P.E.C. 2024-P70 Issued 2024 August 6, 03:31 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2020 PY4
Revision to MPEC 2020-Q34
Additional Observations:
K20P04Y KB2024 08 05.11089 22 54 34.210-04 11 10.57 18.7 GXEP070L87
K20P04Y KB2024 08 05.11699 22 54 31.781-04 11 39.19 19.5 GXEP070L87
K20P04Y KB2024 08 05.12311 22 54 29.311-04 12 08.03 19.7 GXEP070L87
K20P04Y KB2024 08 05.94967322 49 16.52 -05 11 34.0 19.2 GXEP070I93
K20P04Y KB2024 08 05.95243222 49 15.48 -05 11 45.4 20.0 GXEP070I93
K20P04Y KB2024 08 05.95504622 49 14.50 -05 11 56.7 20.2 GXEP070I93
K20P04Y KB2024 08 05.96106 22 49 11.97 -05 12 24.7 XEP070K35
K20P04Y KB2024 08 05.96452 22 49 10.69 -05 12 38.1 XEP070K35
K20P04Y KB2024 08 05.96777 22 49 09.44 -05 12 50.4 XEP070K35
K20P04Y KB2024 08 05.97383 22 49 07.13 -05 13 17.0 XEP070K35
K20P04Y KC2024 08 05.97893222 49 05.08 -05 13 36.4 19.8 GVEP070L01
K20P04Y KC2024 08 05.98152422 49 04.11 -05 13 47.4 20.4 GVEP070L01
K20P04Y KC2024 08 05.98436422 49 03.00 -05 13 59.1 20.1 GVEP070L01
K20P04Y KB2024 08 06.09989622 48 19.416-05 21 54.58 19.8 VZEP070C95
K20P04Y KB2024 08 06.10633722 48 16.973-05 22 20.71 19.7 VZEP070C95
Observer details:
C95 SATINO Remote Observatory, Haute Provence. Observers D. Husar, B.
Haeusler, C. Gerhard. Measurer C. Gerhard. 0.30-m f/5.8 reflector + CMO.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CMO.
K35 Huenfelden. Observer P. Remmel. 0.36-m f/1.9 reflector + CMO.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Forkapa, L.
Ivanovic, E. Matika, I. Novotny, I. Paleka, E. Pettarin, M. Spoler.
Measurer M. Spoler. 1.0-m f/2.9 reflector + CCD.
L87 Moonbase South Observatory, Hakos. Observer G. Duszanowicz. 0.28-m f/1.9
reflector + CMO.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240805 L87 9.37- 0.10- 240806 C95 9.92- 0.62- MPO555972 -10.5 days
Orbital elements:
2020 PY4 PHA, Earth MOID = 0.0391 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 MPC
M 32.78879 (2000.0) P Q
n 0.24477721 Peri. 65.69940 -0.87717709 +0.47133594
a 2.5309801 Node 142.23735 -0.47665585 -0.83170355
e 0.8067351 Incl. 8.60875 -0.05796165 -0.29344786
P 4.03 H 21.30 G 0.15 U 1
Residuals in seconds of arc
200811 F51 0.0 0.1+ 200817 J04 0.0 0.0 240805 K35 0.6+ 0.8-
200811 F51 0.3- 0.1+ 200826 V06 0.3- 0.0 240805 K35 1.1+ 0.2+
200811 F51 (0.5- 0.1-) 200826 V06 0.6- 0.1- 240805 K35 0.8+ 1.4+
200814 F52 0.0 0.0 200826 V06 0.1- 0.0 240805 K35 0.6+ 0.1-
200814 F52 0.1+ 0.0 240805 L87 1.2- 1.5+ 240805 L01 0.0 0.1-
200814 F52 0.4+ 0.1+ 240805 L87 0.7- 0.3- 240805 L01 0.2+ 0.3-
200816 568 0.1+ 0.0 240805 L87 (0.7- 2.2-) 240805 L01 0.2- 0.3-
200816 568 0.0 0.0 240805 I93 0.0 0.3+ 240806 C95 0.0 0.3-
200816 568 0.0 0.1- 240805 I93 0.1+ 0.4+ 240806 C95 0.2- 0.1-
200817 J04 0.0 0.0 240805 I93 0.3+ 0.0
Ephemeris:
2020 PY4 a,e,i = 2.53, 0.81, 9 q = 0.4891
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 07 07 05 01 04.8 +37 31 23 0.2411 0.8183 30.5 140.8 24.7
...
2024 07 22 01 19 51.6 +21 35 35 0.1733 1.0386 92.7 77.7 20.3
...
2024 07 30 23 43 11.5 +05 03 17 0.2037 1.1533 128.6 43.5 19.8
...
2024 08 05 22 55 19.1 -04 03 10 0.2515 1.2371 149.1 24.9 19.9
2024 08 06 22 48 57.0 -05 14 34 0.2611 1.2508 152.0 22.4 19.9
2024 08 07 22 42 58.0 -06 21 01 0.2709 1.2646 154.8 20.0 20.0
...
2024 08 13 22 13 53.9 -11 31 44 0.3371 1.3457 169.1 8.1 20.2
...
2024 08 21 21 48 29.5 -15 41 37 0.4402 1.4508 175.3 3.3 20.6
...
2024 09 05 21 24 46.5 -19 14 06 0.6694 1.6385 154.6 15.3 22.3
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-P70
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