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
2022-03-05 08:26:25 C 10 59 05.678 +03 35 24.09 U F52
2022-03-05 08:42:52 C 10 59 04.297 +03 35 28.25 U F52
2022-03-05 08:59:27 C 10 59 02.976 +03 35 31.88 U F52
2024-02-11 05:12:15 C 11 55 57.52 -00 41 28.3 X W93
2024-02-11 05:19:28 C 11 55 57.07 -00 41 27.5 X W93
2024-02-11 05:25:42 C 11 55 56.67 -00 41 26.9 X W93
2024-02-18 11:20:17 C 11 44 22.526 -00 18 01.10 X F52
2024-02-18 11:52:06 C 11 44 20.180 -00 17 55.87 X F52
2024-02-18 12:07:57 C 11 44 18.997 -00 17 53.07 X F52
2024-03-05 07:19:52 C 11 15 05.821 +01 05 52.40 V G96
2024-03-05 07:27:19 C 11 15 05.224 +01 05 53.95 V G96
2024-03-05 07:34:45 C 11 15 04.644 +01 05 55.79 V G96
2024-03-05 07:42:12 C 11 15 04.007 +01 05 57.88 V G96
2024-03-06 16:46:36 C 11 12 29.933 +01 14 20.42 O18
2024-03-06 17:56:41 C 11 12 24.364 +01 14 38.46 O18
2024-03-10 16:07:00 C 11 05 15.737 +01 38 35.09 O18
2024-03-10 16:13:01 C 11 05 15.259 +01 38 36.61 O18
2024-03-10 17:22:24 C 11 05 09.985 +01 38 54.10 O18
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)