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
2013-07-30 01:21:12 C 19 51 18.56 -55 35 45.4 q K93
2013-07-30 01:35:33 C 19 51 15.53 -55 36 00.3 q K93
2013-07-30 01:48:36 C 19 51 12.81 -55 36 13.7 q K93
2013-07-30 02:01:37 C 19 51 10.08 -55 36 27.1 q K93
2013-07-30 02:14:36 C 19 51 07.37 -55 36 40.4 q K93
2013-07-30 02:30:18 C 19 51 04.13 -55 36 56.5 q K93
2013-07-30 02:32:54 C 19 51 03.60 -55 36 59.0 q K93
2013-08-02 05:40:39 C 19 33 52.11 -57 05 15.9 r Y00
2013-08-02 05:44:11 C 19 33 51.08 -57 05 19.4 r Y00
2013-08-02 05:47:51 C 19 33 50.09 -57 05 23.3 r Y00
2013-08-05 00:41:07 C 19 13 44.82 -58 23 43.9 r Y00
2013-08-05 00:43:06 C 19 13 44.03 -58 23 46.3 r Y00
2013-08-05 00:45:06 C 19 13 43.23 -58 23 48.6 r Y00
2013-08-08 03:35:21 C 18 43 10.21 -59 43 16.4 r Y00
2013-08-08 03:37:06 C 18 43 09.33 -59 43 17.6 r Y00
2013-08-08 03:38:51 C 18 43 08.30 -59 43 19.5 r Y00
2013-08-13 00:50:32 C 17 30 11.78 -60 41 52.3 r Y00
2013-08-13 00:51:39 C 17 30 11.00 -60 41 52.4 r Y00
2013-08-13 00:52:44 C 17 30 10.23 -60 41 51.6 r Y00
2013-08-19 22:22:32 C 14 46 27.64 -52 01 48.6 r Y00
2013-08-19 22:23:07 C 14 46 27.02 -52 01 44.4 r Y00
2013-08-19 22:23:41 C 14 46 26.39 -52 01 39.7 r Y00
2014-02-10 09:26:29 C 10 24 10.906 +14 54 55.79 L F51
2014-02-10 09:42:35 C 10 24 09.186 +14 54 57.16 L F51
2014-02-10 09:43:32 C 10 24 09.084 +14 54 57.37 L F51
2014-02-10 09:59:43 C 10 24 07.354 +14 54 58.78 L F51
2014-02-10 10:00:40 C 10 24 07.250 +14 54 58.67 L F51
2014-02-10 10:16:49 C 10 24 05.522 +14 55 00.24 L F51
2014-02-20 06:40:00 C 10 00 59.12 +15 06 25.6 q G96
2014-02-20 06:47:45 C 10 00 58.38 +15 06 25.7 q G96
2014-02-20 06:55:29 C 10 00 57.69 +15 06 25.8 q G96
2014-02-20 07:03:16 C 10 00 56.97 +15 06 25.8 q G96
2014-02-27 07:13:44 C 09 47 06.23 +15 04 49.0 q G96
2014-02-27 07:20:20 C 09 47 05.71 +15 04 48.3 q G96
2014-02-27 07:26:57 C 09 47 05.19 +15 04 47.9 q G96
2014-02-27 07:33:31 C 09 47 04.69 +15 04 48.2 q G96
2014-02-28 07:22:38 C 09 45 21.209 +15 03 57.23 L F51
2014-02-28 07:41:25 C 09 45 19.821 +15 03 56.61 L F51
2014-02-28 08:00:08 C 09 45 18.421 +15 03 55.95 L F51
2014-02-28 08:19:03 C 09 45 16.996 +15 03 55.27 L F51
2014-03-20 06:35:05 C 09 23 21.062 +14 18 10.23 L F51
2014-03-20 06:54:19 C 09 23 20.600 +14 18 07.64 L F51
2014-03-20 07:11:26 C 09 23 20.176 +14 18 05.30 L F51
2015-06-19 13:32:13 C 21 30 42.595 -36 55 21.53 L F51
2015-06-19 13:46:02 C 21 30 43.690 -36 55 24.37 L F51
2015-06-19 13:59:53 C 21 30 44.806 -36 55 27.44 L F51
2015-07-02 08:56:15 C 21 59 28.75 -38 00 02.1 u 807
2015-07-02 09:02:40 C 21 59 29.38 -38 00 03.3 u 807
2015-07-02 09:09:06 C 21 59 29.99 -38 00 04.7 u 807
2015-07-03 05:57:16 C 22 01 42.61 -38 04 33.7 u 807
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)