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
2004-01-30 21:12:47 C 05 36 24.34 +43 13 18.2 r 118
2004-01-30 21:42:53 C 05 36 29.03 +43 12 25.0 r 118
2004-01-30 21:47:41 C 05 36 29.84 +43 12 16.2 r 118
2004-01-30 21:52:29 C 05 36 30.55 +43 12 07.6 r 118
2004-01-30 21:55:41 C 05 36 30.99 +43 12 02.3 r 118
2004-02-02 04:08:22 C 05 44 53.13 +41 41 20.4 r 448
2004-02-02 04:35:18 C 05 44 56.86 +41 40 36.2 r 448
2004-02-02 05:11:26 C 05 45 01.86 +41 39 38.2 r 448
2004-02-02 05:42:06 C 05 45 06.14 +41 38 48.6 r 448
2004-02-08 23:49:17 C 06 06 00.25 +37 42 59.8 r J95
2004-02-09 00:15:02 C 06 06 03.17 +37 42 25.2 r J95
2004-02-21 04:36:49 C 06 35 12.98 +32 22 56.2 r 649
2004-02-21 04:40:15 C 06 35 13.28 +32 22 52.9 r 649
2004-02-21 04:43:39 C 06 35 13.55 +32 22 48.8 r 649
2004-02-21 04:47:03 C 06 35 13.85 +32 22 46.9 r 649
2004-03-26 05:11:23 C 07 39 17.49 +23 35 39.4 d 291
2004-03-26 05:18:42 C 07 39 18.07 +23 35 35.8 d 291
2004-03-26 05:25:29 C 07 39 18.46 +23 35 32.9 d 291
2004-03-26 05:31:23 C 07 39 18.81 +23 35 30.1 d 291
2004-03-26 05:37:34 C 07 39 19.35 +23 35 26.0 d 291
2004-03-26 05:43:24 C 07 39 19.77 +23 35 24.7 d 291
2005-09-22 10:50:14 C 16 41 20.48 -24 51 07.5 r 413
2005-09-22 11:20:17 C 16 41 23.01 -24 50 47.7 r 413
2005-09-23 10:39:21 C 16 43 24.10 -24 35 54.4 r 413
2005-09-23 10:54:20 C 16 43 25.35 -24 35 44.4 r 413
2005-12-28 10:02:16 C 11 23 53.38 +75 12 18.9 o 696
2005-12-28 10:31:54 C 11 23 13.12 +75 11 40.2 o 696
2006-01-02 10:41:11 C 09 26 17.96 +70 09 46.8 c 711
2006-01-02 10:45:29 C 09 26 14.95 +70 09 32.9 c 711
2006-01-02 10:49:47 C 09 26 11.99 +70 09 19.1 c 711
2006-01-09 08:05:09 C 08 16 43.11 +61 01 21.6 r H45
2006-01-09 08:08:08 C 08 16 42.45 +61 01 11.4 r H45
2006-01-09 08:10:58 C 08 16 41.49 +61 01 02.4 r H45
2006-01-09 08:13:24 C 08 16 40.89 +61 00 54.8 r H45
2006-01-09 08:15:49 C 08 16 40.40 +61 00 46.3 r H45
2006-01-15 22:14:29 C 07 47 54.69 +53 07 40.5 c A53
2006-01-15 22:29:49 C 07 47 52.60 +53 07 00.1 c A53
2006-01-19 07:10:14 C 07 39 14.16 +49 37 58.6 o 734
2006-01-19 07:29:16 C 07 39 12.26 +49 37 11.0 o 734
2006-01-19 07:35:38 C 07 39 11.60 +49 36 55.2 o 734
2006-01-20 06:52:32 C 07 37 12.82 +48 40 45.7 19.3 c 704
2006-01-20 07:10:42 C 07 37 11.22 +48 40 01.6 19.5 c 704
2006-01-20 07:29:27 C 07 37 09.49 +48 39 17.4 19.3 c 704
2006-01-20 07:47:40 C 07 37 07.77 +48 38 33.6 19.0 c 704
2006-01-22 19:53:23 C 07 32 50.81 +46 21 26.6 19.2 r 130
2006-01-22 19:58:22 C 07 32 50.53 +46 21 15.6 19.0 r 130
2006-01-22 20:03:35 C 07 32 50.17 +46 21 04.2 19.0 r 130
2006-01-22 20:08:40 C 07 32 49.78 +46 20 53.7 19.3 r 130
2006-01-23 21:35:59 C 07 31 17.88 +45 26 19.6 c 560
2006-01-23 21:40:58 C 07 31 17.63 +45 26 09.0 c 560
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)