[Iaude] MPEC W74: 2023 RC9 [a=2.41,e=0.50,i=4.7,H=21.41]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Nov 21 09:24:05 EST 2023
M.P.E.C. 2023-W74 Issued 2023 November 21, 14:22 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
2023 RC9
Revision to MPEC 2023-R199
Additional Observations:
K23R09C C2008 11 03.24380 03 09 09.72 +27 17 56.1 20.7 VrEW074G96
K23R09C C2008 11 03.25360 03 09 09.03 +27 17 47.2 21.4 VrEW074G96
K23R09C C2008 11 03.26343 03 09 08.46 +27 17 40.1 20.9 VrEW074G96
K23R09C C2008 11 03.27319 03 09 07.81 +27 17 31.7 21.2 VrEW074G96
K23R09C &C2019 06 07.15920514 59 52.60 -20 46 28.0 WEW074W84
K23R09C &C2019 06 08.04117514 58 53.38 -20 39 15.8 WEW074W84
K23R09C &C2019 06 08.05938314 58 52.11 -20 39 07.0 WEW074W84
Observer details:
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. C. Beshore, A.
Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A.
Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
W84 Cerro Tololo-DECam. Observers M. McNanna, A. Hughes. Measurer S. Deen.
4.0-m reflector + CCD.
Orbital elements:
2023 RC9 Earth MOID = 0.2168 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 6.86069 (2000.0) P Q
n 0.26289365 Peri. 77.04605 +0.95008029 +0.30119550
a 2.4133260 Node 265.37966 -0.30845029 +0.86743158
e 0.4997687 Incl. 4.68527 -0.04696652 +0.39603501
P 3.75 H 21.41 G 0.15 U 0
Residuals in seconds of arc
081103 G96 0.6+ 0.6+ 230911 L01 1.8- 0.7- 231014 F52 0.0 0.1-
081103 G96 0.5- 0.5- 230911 L01 0.4- 0.4- 231014 F52 0.1+ 0.1+
081103 G96 0.1+ 0.4+ 230911 L01 0.6- 0.6+ 231014 F52 0.3+ 0.1+
081103 G96 0.4- 0.1- 230911 T14 0.0 0.0 231014 F52 0.1+ 0.0
190607 W84 0.4+ 0.2+ 230911 T14 0.0 0.0 231023 G96 0.2+ 0.0
190608 W84 0.2+ 0.3+ 230911 T14 0.1+ 0.0 231023 G96 0.0 0.0
190608 W84 0.2+ 0.3+ 230913 H21 0.4+ 0.3- 231023 G96 0.1- 0.1+
230821 F52 0.4- 0.0 230913 H21 0.5+ 0.4- 231023 G96 0.0 0.0
230821 F52 0.1- 0.1+ 230913 H21 0.2+ 0.0 231107 I52 0.1- 0.3-
230821 F52 0.2- 0.1- 230917 F52 0.2+ 0.2+ 231107 I52 0.0 0.3-
230821 F52 0.1- 0.1+ 230917 F52 0.1+ 0.1+ 231107 I52 0.5- 0.2+
230910 F52 0.0 0.2+ 230917 F52 0.2+ 0.2+ 231110 F52 0.0 0.1+
230910 F52 0.1+ 0.0 231007 F52 0.0 0.0 231110 F52 0.0 0.0
230910 F52 0.2- 0.1- 231007 F52 0.1+ 0.0 231110 F52 0.1- 0.1-
230910 Z84 0.1- 0.3+ 231007 F52 0.3+ 0.0 231110 F52 0.1+ 0.2-
Ephemeris:
2023 RC9 a,e,i = 2.41, 0.50, 5 q = 1.2072
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 22 03 18 00.0 +30 00 37 0.4397 1.3961 150.9 20.3 21.4
...
2023 11 06 03 05 05.3 +26 45 26 0.4937 1.4777 167.7 8.2 21.3
...
2023 11 14 02 58 29.0 +24 54 21 0.5379 1.5242 172.2 5.1 21.4
...
2023 11 20 02 54 35.0 +23 36 02 0.5787 1.5601 168.9 7.0 21.7
2023 11 21 02 54 02.9 +23 23 42 0.5862 1.5662 168.0 7.5 21.8
2023 11 22 02 53 32.8 +23 11 36 0.5939 1.5723 167.1 8.1 21.8
...
2023 11 28 02 51 18.1 +22 04 31 0.6437 1.6091 161.0 11.5 22.2
...
2023 12 06 02 50 21.7 +20 51 16 0.7202 1.6590 152.8 15.8 22.7
...
2023 12 21 02 54 37.4 +19 25 04 0.8926 1.7540 138.3 21.9 23.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-W74
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