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
2004-01-13 05:33:24 C 03 29 08.40 +58 04 34.0 19.0 c 704
2004-01-13 05:54:58 C 03 29 19.94 +58 03 49.2 18.9 c 704
2004-01-13 06:16:17 C 03 29 31.39 +58 03 03.1 19.0 c 704
2004-01-13 06:38:06 C 03 29 43.13 +58 02 17.0 18.8 c 704
2004-01-13 23:01:39 C 03 38 26.63 +57 28 11.6 o J95
2004-01-13 23:09:53 C 03 38 30.81 +57 27 53.7 o J95
2004-01-13 23:18:05 C 03 38 34.95 +57 27 35.9 o J95
2004-01-14 05:01:07 C 03 41 30.10 +57 15 36.2 c 649
2004-01-14 05:03:40 C 03 41 31.42 +57 15 30.5 c 649
2004-01-14 05:09:50 C 03 41 34.48 +57 15 16.7 c 649
2004-01-14 05:12:23 C 03 41 35.72 +57 15 10.8 c 649
2004-01-14 05:14:57 C 03 41 37.00 +57 15 05.4 c 649
2004-01-14 07:51:41 C 03 42 54.22 +57 09 04.2 c 785
2004-01-14 07:56:29 C 03 42 57.42 +57 08 51.7 c 785
2004-01-14 08:01:30 C 03 42 59.50 +57 08 41.9 c 785
2004-01-14 08:08:59 C 03 43 03.56 +57 08 24.2 c 785
2004-01-14 18:05:08 C 03 48 01.93 +56 47 25.9 o 620
2004-01-14 18:16:06 C 03 48 07.08 +56 47 02.3 o 620
2004-01-14 18:27:08 C 03 48 12.30 +56 46 38.5 o 620
2004-01-14 20:32:14 C 03 49 09.87 +56 42 00.8 c 118
2004-01-14 20:35:24 C 03 49 11.50 +56 41 52.9 c 118
2004-01-14 20:38:34 C 03 49 12.88 +56 41 46.4 c 118
2004-01-14 21:21:41 C 03 49 33.57 +56 40 17.7 c 176
2004-01-14 21:23:00 C 03 49 34.19 +56 40 14.8 c 176
2004-01-14 21:29:30 C 03 49 37.23 +56 40 00.4 c 176
2004-01-14 21:31:00 C 03 49 37.93 +56 39 57.0 c 176
2004-01-14 22:35:37 C 03 50 08.49 +56 37 26.4 o J95
2004-01-14 22:43:52 C 03 50 12.35 +56 37 07.8 o J95
2004-01-14 22:52:08 C 03 50 16.18 +56 36 49.1 o J95
2004-01-15 19:54:42 C 03 59 57.03 +55 50 11.5 c 587
2004-01-15 19:58:20 C 03 59 58.72 +55 50 02.3 c 587
2004-01-15 20:04:19 C 04 00 01.21 +55 49 48.7 c 587
2004-01-16 04:45:31 C 04 03 47.51 +55 30 23.9 c 926
2004-01-16 04:46:45 C 04 03 48.16 +55 30 21.0 c 926
2004-01-16 04:48:01 C 04 03 48.67 +55 30 18.1 c 926
2004-01-17 23:16:42 C 04 20 46.16 +53 53 09.9 o J95
2004-01-17 23:23:45 C 04 20 48.83 +53 52 54.2 o J95
2004-01-17 23:33:22 C 04 20 52.31 +53 52 31.0 o J95
2004-01-19 05:10:30 C 04 31 21.29 +52 44 57.3 o 448
2004-01-19 05:14:22 C 04 31 22.54 +52 44 48.2 o 448
2004-01-19 05:16:55 C 04 31 23.36 +52 44 42.3 o 448
2004-01-19 19:54:02 C 04 36 13.56 +52 11 21.7 o 170
2004-01-19 19:55:23 C 04 36 13.99 +52 11 18.7 o 170
2004-01-19 19:57:38 C 04 36 14.70 +52 11 13.7 o 170
2004-01-24 06:54:17 C 05 05 34.55 +48 16 46.1 r 448
2004-01-24 06:59:03 C 05 05 35.64 +48 16 35.5 r 448
2004-01-24 07:20:47 C 05 05 40.64 +48 15 49.6 r 448
2004-01-24 20:56:03 C 05 08 50.28 +47 47 32.2 r J95
2004-01-24 21:09:02 C 05 08 53.13 +47 47 06.0 r J95
2004-01-24 21:24:01 C 05 08 56.44 +47 46 34.8 r J95
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)