MPEC 2023-L08 : 2018 AA74
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M.P.E.C. 2023-L08 Issued 2023 June 1, 22:09 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
2018 AA74
The following astrometry was found among the isolated tracklets and linked
by D. Rankin, D. Bamberger and B. Gray.
Observations:
K18A74A* C2018 01 13.39762 08 07 03.543+33 42 07.52 21.1 wUEL008F51
K18A74A C2018 01 13.40929 08 07 03.110+33 42 15.83 20.9 wUEL008F51
K18A74A C2018 01 13.42103 08 07 02.644+33 42 24.53 20.9 wUEL008F51
K18A74A C2018 01 13.43287 08 07 02.181+33 42 33.35 20.9 wUEL008F51
K18A74A C2018 01 20.27491 08 03 02.84 +35 01 28.5 20.7 GUEL008G96
K18A74A C2018 01 20.28013 08 03 02.59 +35 01 32.1 20.8 GUEL008G96
K18A74A C2018 01 20.28533 08 03 02.34 +35 01 35.3 20.5 GUEL008G96
K18A74A C2018 01 20.29055 08 03 02.12 +35 01 39.1 20.7 GUEL008G96
K18A74A C2018 01 26.18112 07 59 15.45 +36 00 08.6 20.6 GUEL008G96
K18A74A C2018 01 26.18632 07 59 15.24 +36 00 10.9 21.1 GUEL008G96
K18A74A C2018 01 26.19154 07 59 15.00 +36 00 13.6 21.0 GUEL008G96
K18A74A C2018 01 26.20236 07 59 14.49 +36 00 20.4 20.9 GUEL008G96
K18A74A 3C2018 02 09.22801 07 52 45.06 +37 22 21.8 21.4 VEL008G96
K18A74A 3C2018 02 09.23319 07 52 44.98 +37 22 22.9 21.6 VEL008G96
K18A74A 3C2018 02 09.23836 07 52 44.92 +37 22 24.1 21.4 VEL008G96
K18A74A 3C2018 02 09.24353 07 52 44.75 +37 22 25.0 21.4 GVEL008G96
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling, M.
Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, G. J. Leonard, D. Rankin.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A.
Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L.
Seaman, F. C. Shelly, B. Gray, D. Rankin. 1.5-m reflector + 10K CCD,
1.5-m reflector + CCD.
Orbital elements:
2018 AA74 Earth MOID = 0.3122 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 186.30280 (2000.0) P Q
n 0.30305356 Peri. 110.49445 -0.96146660 -0.26611679
a 2.1951109 Node 54.13349 +0.20964748 -0.87211360
e 0.4116674 Incl. 4.88581 +0.17784801 -0.41060896
P 3.25 H 21.57 G 0.15 U 6
Residuals in seconds of arc
180113 F51 (0.2- 0.4+) 180120 G96 0.2- 0.2- 180209 G96 0.4- 0.5-
180113 F51 0.0 0.0 180120 G96 0.1+ 0.2+ 180209 G96 0.0 0.2-
180113 F51 0.0 0.0 180126 G96 0.1- 0.6+ 180209 G96 0.6+ 0.2+
180113 F51 0.0 0.1+ 180126 G96 0.2+ 0.1- 180209 G96 0.1- 0.4+
180120 G96 0.0 0.1- 180126 G96 0.2+ 0.4-
180120 G96 0.1- 0.0 180126 G96 0.1- 0.2+
Ephemeris:
2018 AA74 a,e,i = 2.20, 0.41, 5 q = 1.2915
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 02 00 32 28.0 -00 03 15 3.8370 3.0510 33.7 10.6 27.6
...
2023 05 17 00 50 18.6 +01 48 51 3.6875 3.0330 43.4 13.2 27.6
...
2023 05 25 00 59 30.8 +02 45 11 3.5955 3.0222 48.6 14.5 27.6
...
2023 05 31 01 06 14.4 +03 25 34 3.5214 3.0136 52.5 15.5 27.5
2023 06 01 01 07 20.7 +03 32 08 3.5087 3.0121 53.2 15.6 27.5
2023 06 02 01 08 26.7 +03 38 39 3.4958 3.0106 53.8 15.8 27.5
...
2023 06 08 01 14 56.4 +04 16 43 3.4165 3.0014 57.8 16.6 27.5
...
2023 06 16 01 23 17.1 +05 04 29 3.3051 2.9884 63.2 17.7 27.5
...
2023 07 01 01 37 43.6 +06 23 34 3.0820 2.9617 73.7 19.2 27.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-L08
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