MPEC 2023-R212 : 2023 RQ9
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M.P.E.C. 2023-R212 Issued 2023 September 15, 11:24 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
2023 RQ9
Observations:
K23R09Q*KC2023 09 13.14291 22 14 36.05 -32 00 08.8 19.5 GVER212W94
K23R09Q KC2023 09 13.14917 22 14 47.13 -32 00 13.9 19.5 GVER212W94
K23R09Q KC2023 09 13.15545 22 14 58.25 -32 00 20.0 18.9 GVER212W94
K23R09Q C2023 09 13.22371222 17 02.34 -32 00 29.7 WER212X09
K23R09Q C2023 09 13.22724022 17 08.79 -32 00 31.8 WER212X09
K23R09Q KC2023 09 13.27776 22 18 40.05 -32 01 13.3 19.5 GVER212X10
K23R09Q KC2023 09 13.28338 22 18 50.48 -32 01 13.4 19.6 GVER212X10
K23R09Q KC2023 09 13.28898 22 19 00.89 -32 01 13.9 19.2 GVER212X10
K23R09Q KC2023 09 13.30232 22 19 25.76 -32 01 14.1 19.6 GVER212X10
K23R09Q KC2023 09 13.30791 22 19 36.36 -32 01 13.4 19.0 GVER212X10
K23R09Q KC2023 09 13.31572 22 19 51.05 -32 01 12.7 19.0 GVER212X10
K23R09Q KC2023 09 13.32140 22 20 01.79 -32 01 11.6 19.6 GVER212X10
K23R09Q KC2023 09 13.32708 22 20 12.54 -32 01 11.1 19.4 GVER212X10
K23R09Q KC2023 09 13.51373 22 26 43.85 -32 02 59.6 19.4 VqER212E23
K23R09Q KC2023 09 13.51798 22 26 51.88 -32 03 00.9 19.4 VqER212E23
K23R09Q KC2023 09 13.52241 22 27 00.29 -32 03 02.1 19.4 VqER212E23
K23R09Q C2023 09 14.21668222 51 33.309-32 01 12.09 19.3 GVER212654
K23R09Q C2023 09 14.21872722 51 37.606-32 01 09.69 19.3 GVER212654
K23R09Q 0B2023 09 14.90013123 17 33.227-31 30 55.24 19.4 VZER212M49
K23R09Q 0B2023 09 14.90374423 17 41.290-31 30 43.82 19.3 VZER212M49
K23R09Q 0B2023 09 14.90735723 17 49.341-31 30 32.04 19.5 VZER212M49
Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CMO.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers D.
Parrott, F. Signoret, J.-M. Mari. 0.28-m f/2.2 Schmidt astrograph + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
X10 OVTLN, San Pedro de Atacama. Observers A. Maury, G. Attard, F. Signoret.
Measurers A. Maury, G. Attard, D. Parrott, J.-M. Mari. 0.50-m f/4
reflector + CCD.
Orbital elements:
2023 RQ9 Earth MOID = 0.0267 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 357.80206 (2000.0) P Q
n 0.23688333 Peri. 209.26674 +0.99987069 +0.00023115
a 2.5869004 Node 150.70680 +0.00575591 +0.92850872
e 0.6032176 Incl. 1.88329 -0.01501582 +0.37131052
P 4.16 H 25.75 G 0.15 U 9
Residuals in seconds of arc
230913 W94 0.4+ 0.7- 230913 X10 0.8+ 0.6- 230913 E23 0.2- 0.5+
230913 W94 0.1- 0.1- 230913 X10 0.5- 1.1- 230913 E23 0.1- 0.7+
230913 W94 0.7- 0.9- 230913 X10 0.7+ 0.8- 230914 654 0.0 0.3-
230913 X09 1.2+ 1.5- 230913 X10 0.1+ 0.8- 230914 654 0.0 0.1+
230913 X09 1.6+ 2.0- 230913 X10 0.1- 0.4- 230914 M49 0.0 0.2-
230913 X10 1.3+ 0.5- 230913 X10 0.6- 0.8- 230914 M49 0.0 0.1-
230913 X10 1.1+ 0.3- 230913 E23 0.2+ 0.3+ 230914 M49 0.1- 0.3+
Ephemeris:
2023 RQ9 a,e,i = 2.59, 0.60, 2 q = 1.0264
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 16 19 10 06.2 -19 17 32 0.1470 1.1348 143.8 31.8 23.2
...
2023 08 31 19 32 16.8 -23 10 23 0.08048 1.0672 134.1 42.8 22.1
...
2023 09 08 20 28 05.8 -28 05 35 0.04819 1.0435 137.0 41.2 20.9
...
2023 09 14 22 43 30.3 -32 00 57 0.02993 1.0322 150.0 29.1 19.5
2023 09 15 23 21 22.2 -31 24 28 0.02824 1.0309 151.9 27.4 19.3
2023 09 16 00 02 10.6 -29 55 40 0.02719 1.0298 152.1 27.2 19.2
...
2023 09 22 03 14 36.4 -10 53 01 0.03494 1.0264 129.2 49.3 20.4
...
2023 09 30 04 38 04.4 +02 33 07 0.06345 1.0314 116.3 60.5 22.0
...
2023 10 15 05 12 47.0 +09 30 51 0.1243 1.0685 122.0 52.3 23.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R212
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