232691 (2004 AR1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4694561998 ± 6.73e-09
Semi-major axis (a)1.5760612761 AU ± 7.57e-10
Inclination (i)9.07566274° ± 3.76e-06
Long. of Asc. Node (Ω)336.49739072° ± 1.40e-05
Arg. of Perihelion (ω)50.32423465° ± 1.43e-05
Mean Anomaly (M)45.94590420° ± 1.79e-06
Mean Motion (n)0.4981413901°/day ± 3.59e-10
Perihelion dist (q)0.83616954 AU ± 1.06e-08
Aphelion dist (Q)2.31595301 AU ± 1.07e-08
Orbital Period1.97860749 yr ± 1.43e-09
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeApollo
MOID0.032157 AU
Observations Used339
Radar Obs Used4
Oppositions4
Arc Total2004-2024
First Observation Used2004-01-13
Last Observation Used2024-03-10
Observations (368)
Date Type RA Dec Mag Band Observatory
2018-01-27 10:20:54 C 11 34 33.24 +06 49 07.9 U G96
2018-01-27 10:28:34 C 11 34 32.73 +06 49 07.6 U G96
2018-01-27 10:36:14 C 11 34 32.32 +06 49 08.8 U G96
2018-01-27 10:43:52 C 11 34 31.74 +06 49 09.0 U G96
2018-02-12 09:53:40 C 11 04 36.694 +07 40 05.72 U F51
2018-02-12 10:10:31 C 11 04 35.145 +07 40 08.82 U F51
2018-02-12 10:27:24 C 11 04 33.584 +07 40 11.83 U F51
2018-02-12 10:44:28 C 11 04 32.033 +07 40 14.93 U F51
2018-02-22 11:18:43 C 10 42 51.01 +08 24 38.0 U G96
2018-02-22 11:26:55 C 10 42 50.28 +08 24 40.4 U G96
2018-02-22 11:35:07 C 10 42 49.53 +08 24 40.4 U G96
2018-02-22 11:43:24 C 10 42 48.73 +08 24 42.5 U G96
2018-03-07 06:58:09 C 10 17 54.913 +09 12 22.27 U F51
2018-03-07 07:13:07 C 10 17 53.819 +09 12 24.44 U F51
2018-03-07 07:28:00 C 10 17 52.736 +09 12 26.25 U F51
2019-07-04 10:53:39 C 00 15 45.94 -14 47 28.6 V G96
2019-07-04 10:57:52 C 00 15 46.82 -14 47 21.3 V G96
2019-07-04 11:02:05 C 00 15 47.71 -14 47 14.2 V G96
2019-07-04 11:06:18 C 00 15 48.65 -14 47 06.9 V G96
2019-11-05 14:33:24 C 10 47 23.102 +17 12 09.15 U F51
2019-11-05 14:39:51 C 10 47 23.725 +17 12 04.39 U F51
2019-11-05 14:52:43 C 10 47 24.858 +17 11 55.95 U F51
2019-12-04 14:44:50 C 11 38 53.843 +09 53 53.77 U F51
2019-12-04 14:59:35 C 11 38 54.638 +09 53 45.90 U F51
2019-12-04 15:14:23 C 11 38 55.408 +09 53 38.15 U F51
2019-12-04 15:29:12 C 11 38 56.181 +09 53 30.12 U F51
2020-01-25 13:40:32 C 11 51 06.663 +03 55 11.60 U F51
2020-01-25 14:11:17 C 11 51 05.178 +03 55 11.60 U F51
2020-01-25 14:26:37 C 11 51 04.425 +03 55 11.59 U F51
2020-02-03 13:07:11 C 11 39 07.981 +04 05 22.79 U F52
2020-02-03 13:43:49 C 11 39 05.473 +04 05 26.25 U F52
2020-02-03 14:02:06 C 11 39 04.226 +04 05 28.09 U F52
2020-02-16 08:26:20 C 11 15 52.67 +04 51 17.0 V G96
2020-02-16 08:33:50 C 11 15 52.04 +04 51 18.3 V G96
2020-02-16 08:41:18 C 11 15 51.39 +04 51 19.7 V G96
2020-02-16 08:48:46 C 11 15 50.74 +04 51 21.3 V G96
2020-02-27 07:37:01 C 10 53 26.00 +05 46 08.5 V G96
2020-02-27 07:44:28 C 10 53 25.36 +05 46 10.0 V G96
2020-02-27 07:51:54 C 10 53 24.73 +05 46 10.9 V G96
2020-02-27 07:59:22 C 10 53 24.03 +05 46 13.3 V G96
2022-01-28 12:40:28 C 11 59 46.348 +01 23 12.17 U F52
2022-01-28 12:57:04 C 11 59 45.610 +01 23 12.10 U F52
2022-01-28 13:30:28 C 11 59 44.083 +01 23 11.90 U F52
2022-02-24 10:18:24 C 11 16 28.573 +02 45 17.57 U F52
2022-02-24 10:35:59 C 11 16 27.080 +02 45 21.52 U F52
2022-02-24 11:11:31 C 11 16 24.057 +02 45 29.53 U F52
2022-03-02 06:36:48 C 11 04 59.92 +03 17 54.8 V G96
2022-03-02 06:44:13 C 11 04 59.29 +03 17 55.9 V G96
2022-03-02 06:51:40 C 11 04 58.71 +03 17 57.8 V G96
2022-03-02 06:59:05 C 11 04 58.08 +03 17 59.6 V G96
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-08-26 21:40:00 -133643.035 1 Hz 8560 -14 -14
2013-08-26 21:50:00 -135067.416 0.5 Hz 8560 -14 -14
2013-08-26 22:20:00 55436464.46 10 us 8560 -14 -14
2013-09-01 17:24:00 73788016.06 0.5 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)