IAA RAS IAA Minor Planet Database

2003 AF23

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4258700289 ± 2.18e-07
Semi-major axis (a)0.8744405096 AU ± 7.82e-10
Inclination (i)23.23319244° ± 9.77e-06
Long. of Asc. Node (Ω)286.74329574° ± 9.99e-07
Arg. of Perihelion (ω)43.94750969° ± 1.08e-06
Mean Anomaly (M)78.19484235° ± 2.76e-05
Mean Motion (n)1.2053602717°/day ± 1.62e-09
Perihelion dist (q)0.50204250 AU ± 1.90e-07
Aphelion dist (Q)1.24683851 AU ± 1.90e-07
Orbital Period0.81770265 yr ± 1.10e-09
NGA Modelr2
A2-6.40645865e-14 ± 1.16e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.394″
Uncertainty0
Orbit TypeAten
MOID0.032311 AU
Observations Used458
Radar Obs Used1
Oppositions4
Arc Total2003-2026
First Observation Used2003-01-08
Last Observation Used2026-01-13
Observations (523)
Date Type RA Dec Mag Band Observatory
2021-01-10 22:01:35 C 06 48 58.93 +04 06 38.2 – V K87
2021-01-10 22:01:57 C 06 48 58.74 +04 06 36.5 – V K87
2021-01-10 22:02:21 C 06 48 58.51 +04 06 34.3 – V K87
2021-01-11 02:21:10 C 06 46 47.60 +03 47 09.8 – V W86
2021-01-11 02:24:44 C 06 46 45.71 +03 46 52.2 – V W86
2021-01-11 05:35:27 C 06 45 09.95 +03 29 32.3 – V G96
2021-01-11 05:43:21 C 06 45 05.86 +03 28 54.3 – V G96
2021-01-11 05:51:18 C 06 45 01.77 +03 28 16.1 – V G96
2021-01-11 05:59:15 C 06 44 57.66 +03 27 37.9 – V G96
2021-01-11 06:48:06 C 06 44 28.65 +03 25 31.2 – V W86
2021-01-11 06:51:41 C 06 44 26.84 +03 25 14.1 – V W86
2021-01-11 16:03:02 C 06 40 12.247 +02 41 07.65 – V O85
2021-01-11 16:06:06 C 06 40 10.780 +02 40 54.11 – V O85
2021-01-11 16:09:10 C 06 40 09.304 +02 40 40.45 – V O85
2021-01-11 16:12:14 C 06 40 07.851 +02 40 27.06 – V O85
2021-01-11 16:18:22 C 06 40 04.929 +02 39 59.56 – V O85
2021-01-11 16:22:51 C 06 40 02.816 +02 39 39.84 – V O85
2021-01-11 16:24:29 C 06 40 02.013 +02 39 32.71 – V O85
2021-01-11 16:25:54 C 06 40 01.341 +02 39 26.38 – V O85
2021-01-11 16:27:33 C 06 40 00.570 +02 39 18.99 – V O85
2021-01-11 16:28:58 C 06 39 59.888 +02 39 12.49 – V O85
2021-01-11 16:30:37 C 06 39 59.090 +02 39 05.36 – V O85
2021-01-11 16:33:41 C 06 39 57.666 +02 38 52.07 – V O85
2021-01-11 16:35:06 C 06 39 56.967 +02 38 45.64 – V O85
2021-01-11 16:36:45 C 06 39 56.200 +02 38 38.33 – V O85
2021-01-11 16:38:10 C 06 39 55.514 +02 38 32.11 – V O85
2021-01-11 23:41:32 C 06 36 49.83 +02 07 54.4 – V A16
2021-01-11 23:59:02 C 06 36 42.03 +02 06 41.1 – V A16
2021-01-12 00:16:35 C 06 36 34.25 +02 05 27.9 – V A16
2021-01-12 00:34:14 C 06 36 26.41 +02 04 14.5 – V A16
2021-01-12 03:57:03 C 06 35 06.89 +01 50 45.7 – o 711
2021-01-12 04:00:40 C 06 35 05.34 +01 50 31.2 – o 711
2021-01-12 04:04:03 C 06 35 03.88 +01 50 17.4 – o 711
2021-01-12 09:56:03 C 06 32 38.52 +01 27 20.4 – V T05
2021-01-12 10:02:46 C 06 32 35.70 +01 26 54.5 – V T05
2021-01-12 10:11:20 C 06 32 32.11 +01 26 21.3 – V T05
2021-01-12 10:30:31 C 06 32 24.08 +01 25 07.2 – V T05
2021-01-12 20:42:29 C 06 28 36.12 +00 46 48.9 – V G17
2021-01-12 20:45:20 C 06 28 35.04 +00 46 38.4 – V G17
2021-01-12 20:48:39 C 06 28 33.75 +00 46 27.0 – V G17
2021-01-12 22:22:04 C 06 27 58.27 +00 40 53.4 – V 130
2021-01-12 22:23:25 C 06 27 57.77 +00 40 48.4 – V 130
2021-01-12 22:24:57 C 06 27 57.19 +00 40 43.3 – V 130
2021-01-12 22:26:29 C 06 27 56.58 +00 40 38.0 – V 130
2021-01-13 15:43:20 C 06 22 06.421 -00 16 12.00 – V O85
2021-01-13 15:49:29 C 06 22 04.339 -00 16 31.01 – V O85
2021-01-13 15:50:54 C 06 22 03.874 -00 16 35.32 – V O85
2021-01-13 15:55:37 C 06 22 02.288 -00 16 49.89 – V O85
2021-01-13 15:57:02 C 06 22 01.794 -00 16 54.28 – V O85
2021-01-13 19:57:19 C 06 20 49.38 -00 29 16.5 – V G17
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-01-03 08:10:00 89203.491 0.5 Hz 8560 -14 -14
2021-01-03 09:10:00 46744625.22 2 us 8560 -14 -14
2021-01-04 13:30:00 -154045.424 1.5 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)