MPEC 2023-R132 : 2021 PN26
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M.P.E.C. 2023-R132 Issued 2023 September 11, 14:06 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 PN26
Revision to MPEC 2021-Q30
Additional Observations:
K21P26N 2C2023 09 09.15194705 39 21.62 -15 08 02.3 22.3 GVER132Z84
K21P26N 2C2023 09 09.16420605 39 25.03 -15 08 26.8 21.5 GVER132Z84
K21P26N 2C2023 09 09.17646405 39 28.42 -15 08 52.7 21.1 GVER132Z84
K21P26N 2C2023 09 10.15194805 44 03.90 -15 42 32.8 21.6 GVER132Z84
K21P26N 2C2023 09 10.16420605 44 07.34 -15 42 58.5 21.0 GVER132Z84
K21P26N 2C2023 09 10.17646405 44 10.75 -15 43 23.7 21.2 GVER132Z84
Observer details:
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, F. Ocana,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230909 Z84 2.8- 1.2- 230910 Z84 2.7- 0.3- E2021-V83 +0.01 days
Orbital elements:
2021 PN26 Earth MOID = 0.0609 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 239.42574 (2000.0) P Q
n 1.58305507 Peri. 37.68797 -0.96116225 -0.11402900
a 0.7291307 Node 133.70176 +0.07698885 -0.98528472
e 0.5775088 Incl. 20.34309 +0.26502800 -0.12732404
P 0.62 H 20.35 G 0.15 U 3
Residuals in seconds of arc
210811 C51 0.1+ 0.2+ 210819 E94 1.3- 1.9- 210918 474 0.3+ 0.1-
210811 C51 0.0 0.0 210819 E94 0.9+ 2.3- 210925 807 0.3+ 0.0
210811 C51 0.0 0.3- 210829 807 0.2- 0.5+ 210925 807 0.0 0.1-
210811 C51 0.3+ 1.8- 210829 807 0.2- 0.1+ 210925 807 0.3- 0.0
210811 C51 0.1- 1.2- 210829 807 0.0 0.1- 210927 807 0.1+ 0.4+
210815 T05 0.1+ 0.2+ 210829 W88 0.4- 0.1- 210927 807 0.3- 0.0
210815 T05 0.1+ 0.2+ 210829 W88 0.1- 0.1- 210927 807 0.1- 0.3-
210815 T05 0.0 0.6- 210831 W88 0.3+ 0.2- 211008 474 0.1- 0.2+
210815 T05 0.1- 0.2+ 210831 W88 0.5+ 0.1+ 211008 474 0.1+ 0.6-
210816 L81 0.2- 0.2- 210831 W88 0.1- 0.4+ 211008 474 0.2+ 0.3+
210817 L81 0.2- 0.1- 210905 807 0.0 0.2+ 211103 474 0.5+ 0.3-
210818 L81 0.0 0.2- 210905 807 0.2- 0.1- 211103 474 0.2- 0.5+
210818 L81 0.0 0.1+ 210905 807 0.1+ 0.1+ 211103 474 0.5- 0.1-
210819 L81 0.0 0.1- 210914 807 0.1+ 0.1+ 230909 Z84 0.5- 0.5-
210819 T05 0.2- 0.2+ 210914 807 0.0 0.1- 230909 Z84 0.1+ 0.4+
210819 T05 0.4+ 0.1+ 210914 807 0.2+ 0.0 230909 Z84 0.5+ 0.1-
210819 T05 0.3+ 0.3+ 210918 474 0.2+ 0.4- 230910 Z84 0.2+ 0.2-
210819 T05 0.6- 0.2- 210918 474 0.2- 0.0 230910 Z84 0.1+ 0.2-
210819 E94 0.3- 1.4- 210918 474 0.1+ 0.3+ 230910 Z84 0.3- 0.4+
210819 E94 0.3- 2.0- 210918 474 0.0 0.1+
Ephemeris:
2021 PN26 a,e,i = 0.73, 0.58, 20 q = 0.3081
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 12 03 56 45.3 -02 35 50 0.6781 1.1482 83.0 61.2 22.0
...
2023 08 27 04 45 35.3 -08 21 42 0.5776 1.1228 85.4 63.8 21.7
...
2023 09 04 05 16 38.2 -12 17 30 0.5277 1.0971 85.0 66.3 21.5
...
2023 09 10 05 43 19.7 -15 37 02 0.4939 1.0721 83.7 69.0 21.4
2023 09 11 05 48 07.2 -16 11 53 0.4887 1.0674 83.4 69.6 21.4
2023 09 12 05 53 01.3 -16 47 07 0.4836 1.0626 83.0 70.1 21.4
...
2023 09 18 06 24 55.9 -20 23 49 0.4559 1.0308 80.2 73.9 21.3
...
2023 09 26 07 15 12.6 -25 07 11 0.4290 0.9800 74.5 80.5 21.3
...
2023 10 11 09 14 09.2 -30 43 06 0.4211 0.8576 58.5 96.7 21.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-R132
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