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
2015-07-03 06:03:48 C 22 01 43.22 -38 04 35.4 u 807
2015-07-03 06:10:20 C 22 01 43.88 -38 04 36.8 u 807
2015-07-21 04:23:15 C 23 04 12.87 -39 06 35.9 q W98
2015-07-21 04:44:11 C 23 04 17.07 -39 06 36.3 q W98
2015-07-21 05:05:14 C 23 04 21.38 -39 06 36.9 q W98
2015-08-12 18:02:15 S 03 35 51.744 -11 51 51.01 L C51
2015-08-12 19:36:41 S 03 37 09.156 -11 36 38.95 L C51
2016-01-13 11:41:14 C 11 38 45.208 +10 07 20.66 L F51
2016-01-13 11:58:00 C 11 38 44.456 +10 07 20.04 L F51
2016-01-13 12:14:55 C 11 38 43.708 +10 07 19.51 L F51
2016-01-13 12:31:45 C 11 38 42.942 +10 07 18.90 L F51
2016-02-04 10:20:56 C 11 02 27.797 +10 41 46.82 L F51
2016-02-04 10:56:11 C 11 02 24.470 +10 41 51.95 L F51
2016-02-04 11:13:59 C 11 02 22.784 +10 41 54.67 L F51
2016-02-06 03:01:03 C 10 58 42.54 +10 47 40.2 c J04
2016-02-06 03:34:43 C 10 58 39.19 +10 47 46.4 c J04
2016-02-06 03:51:33 C 10 58 37.56 +10 47 48.9 c J04
2016-02-09 09:45:17 C 10 51 15.40 +10 59 31.1 q G96
2016-02-09 09:51:53 C 10 51 14.74 +10 59 31.7 q G96
2016-02-09 09:58:30 C 10 51 14.08 +10 59 32.7 q G96
2016-02-09 10:05:07 C 10 51 13.49 +10 59 31.1 q G96
2016-02-11 09:30:33 C 10 46 40.274 +11 06 48.85 L F51
2016-02-11 09:47:18 C 10 46 38.606 +11 06 51.45 L F51
2016-02-11 10:04:02 C 10 46 36.940 +11 06 54.01 L F51
2016-02-26 06:50:12 C 10 13 34.84 +11 52 20.3 q G96
2016-02-26 06:57:42 C 10 13 34.19 +11 52 20.9 q G96
2016-02-26 07:05:10 C 10 13 33.50 +11 52 22.2 q G96
2016-02-26 07:12:39 C 10 13 32.89 +11 52 22.8 q G96
2016-03-02 06:08:27 C 10 04 10.03 +12 01 16.3 q G96
2016-03-02 06:17:56 C 10 04 09.30 +12 01 16.9 q G96
2016-03-02 06:27:25 C 10 04 08.58 +12 01 17.1 q G96
2016-03-02 06:41:13 C 10 04 07.50 +12 01 18.4 q G96
2016-03-06 07:46:54 C 09 57 23.695 +12 05 44.04 L F51
2016-03-06 08:03:43 C 09 57 22.554 +12 05 44.60 L F51
2016-03-06 08:20:30 C 09 57 21.416 +12 05 45.11 L F51
2016-03-06 08:37:20 C 09 57 20.286 +12 05 45.79 L F51
2017-06-24 13:16:38 C 22 40 40.486 -29 20 37.55 L F51
2017-06-24 13:31:28 C 22 40 42.638 -29 20 30.73 L F51
2017-06-24 14:01:09 C 22 40 46.923 -29 20 16.77 L F51
2017-07-18 14:24:01 C 00 40 15.47 -18 24 34.5 L T05
2017-07-18 14:34:35 C 00 40 18.45 -18 24 11.7 L T05
2017-07-18 14:38:49 C 00 40 19.60 -18 24 00.0 L T05
2017-07-18 14:39:31 C 00 40 19.77 -18 23 59.7 L T05
2017-12-16 11:56:12 C 11 47 54.65 +09 44 07.6 U G96
2017-12-16 12:03:36 C 11 47 54.87 +09 44 04.7 U G96
2017-12-16 12:11:00 C 11 47 55.08 +09 44 01.5 U G96
2017-12-16 12:18:25 C 11 47 55.23 +09 43 58.2 U G96
2017-12-29 14:41:46 C 11 53 54.096 +07 57 28.47 U F51
2017-12-29 14:59:00 C 11 53 54.143 +07 57 24.06 U F51
2017-12-29 15:16:16 C 11 53 54.215 +07 57 19.42 U F51
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)