MPEC 2023-R142 : 2023 RY4
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M.P.E.C. 2023-R142 Issued 2023 September 11, 17:32 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 RY4
Observations:
K23R04Y*KC2023 09 09.18323 23 45 23.62 -37 19 22.9 20.6 GVER142W94
K23R04Y KC2023 09 09.18948 23 45 30.74 -37 21 58.1 19.7 GVER142W94
K23R04Y KC2023 09 09.19578 23 45 37.98 -37 24 35.3 19.2 GVER142W94
K23R04Y KC2023 09 09.24172 23 46 30.53 -37 43 20.6 19.9 GVER142X10
K23R04Y KC2023 09 09.24733 23 46 37.01 -37 45 37.2 VER142X10
K23R04Y KC2023 09 09.25298 23 46 43.40 -37 47 54.4 19.2 GVER142X10
K23R04Y KC2023 09 09.27272 23 47 06.05 -37 55 47.2 19.2 GVER142X10
K23R04Y KC2023 09 09.27831 23 47 12.36 -37 58 02.3 19.4 GVER142X10
K23R04Y KC2023 09 09.28389 23 47 18.85 -38 00 14.3 19.2 GVER142X10
K23R04Y KC2023 09 09.32618 23 48 07.54 -38 16 49.1 20.1 GVER142X10
K23R04Y KC2023 09 09.33177 23 48 13.98 -38 18 59.5 19.8 GVER142X10
K23R04Y KC2023 09 09.33740 23 48 20.53 -38 21 11.8 19.8 GVER142X10
K23R04Y KC2023 09 11.65083400 32 02.05 -49 29 37.7 21.0 GVER142474
K23R04Y KC2023 09 11.65446600 32 05.57 -49 30 20.1 21.1 GVER142474
K23R04Y KC2023 09 11.65809700 32 09.01 -49 31 03.8 21.1 GVER142474
K23R04Y KC2023 09 11.66172800 32 12.43 -49 31 47.2 21.1 GVER142474
K23R04Y KC2023 09 11.66536000 32 15.99 -49 32 30.2 20.6 GVER142474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
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.
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 RY4 Earth MOID = 0.0315 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 10.88518 (2000.0) P Q
n 0.58817914 Peri. 167.63489 +0.87660388 +0.46621259
a 1.4107919 Node 162.96074 -0.46886226 +0.88324740
e 0.2663925 Incl. 24.00578 -0.10832274 -0.05019813
P 1.68 H 25.45 G 0.15 U 9
Residuals in seconds of arc
230909 W94 0.3+ 0.2- 230909 X10 1.1+ 2.5+ 230911 474 0.0 0.8-
230909 W94 0.3- 0.3+ 230909 X10 0.0 1.0+ 230911 474 0.4+ 0.4+
230909 W94 0.0 0.4- 230909 X10 1.0+ 2.0+ 230911 474 0.0 0.1+
230909 X10 0.4+ 1.8+ 230909 X10 0.5+ 4.5+ 230911 474 0.6- 0.0
230909 X10 1.2+ 1.3+ 230909 X10 0.0 4.5+ 230911 474 0.2+ 0.3+
230909 X10 0.4+ 0.7+ 230909 X10 0.2+ 3.3+
Ephemeris:
2023 RY4 a,e,i = 1.41, 0.27, 24 q = 1.0350
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 12 18 12 23.5 +63 15 08 0.1895 1.0415 93.2 76.3 24.6
...
2023 08 27 19 36 33.8 +56 18 25 0.08161 1.0350 105.2 70.4 22.6
...
2023 09 04 21 48 55.1 +19 32 39 0.03429 1.0383 149.1 29.9 19.5
...
2023 09 10 00 01 49.9 -42 19 28 0.04631 1.0437 141.2 37.2 20.4
2023 09 11 00 20 41.2 -47 03 42 0.05229 1.0449 135.5 42.5 20.8
2023 09 12 00 37 57.2 -50 37 08 0.05871 1.0461 130.9 46.6 21.2
...
2023 09 18 01 50 48.4 -59 59 58 0.1013 1.0549 117.0 58.1 22.7
...
2023 09 26 02 35 39.2 -62 44 08 0.1607 1.0701 110.6 61.3 23.8
...
2023 10 11 02 59 53.3 -62 38 58 0.2696 1.1083 107.1 59.4 25.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R142
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