8201 (1994 AH2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7061394439 ± 1.41e-08
Semi-major axis (a)2.5396057381 AU ± 2.46e-09
Inclination (i)9.54031024° ± 2.29e-06
Long. of Asc. Node (Ω)164.08235285° ± 2.73e-05
Arg. of Perihelion (ω)25.11181713° ± 2.76e-05
Mean Anomaly (M)297.02816192° ± 4.38e-06
Mean Motion (n)0.2435358082°/day ± 3.54e-10
Perihelion dist (q)0.74628995 AU ± 3.59e-08
Aphelion dist (Q)4.33292152 AU ± 3.62e-08
Orbital Period4.04715138 yr ± 5.88e-09
Physical Parameters
H (abs. magnitude)15.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.398″
Uncertainty0
Orbit TypeApollo
MOID0.100759 AU
Observations Used957
Oppositions13
Arc Total1981-2026
First Observation Used1981-12-16
Last Observation Used2026-02-20
Observations (1015)
Date Type RA Dec Mag Band Observatory
2010-02-16 03:36:05 C 02 53 05.96 +06 16 35.7 r G96
2010-02-16 03:43:37 C 02 53 06.25 +06 16 38.5 r G96
2010-02-16 03:51:13 C 02 53 06.54 +06 16 41.3 r G96
2010-03-05 02:36:39 C 03 13 18.73 +08 59 38.8 r 703
2010-03-05 02:44:31 C 03 13 19.09 +08 59 39.9 r 703
2010-03-05 02:52:21 C 03 13 19.56 +08 59 45.7 r 703
2010-03-05 03:00:15 C 03 13 20.10 +08 59 48.1 r 703
2013-10-27 06:39:37 C 03 50 17.74 +06 45 32.9 q 703
2013-10-27 07:01:38 C 03 50 16.90 +06 45 26.1 q 703
2013-10-27 07:12:35 C 03 50 16.47 +06 45 21.7 q 703
2013-10-30 21:31:56 C 03 46 45.23 +06 18 28.7 q A13
2013-10-30 21:57:17 C 03 46 44.14 +06 18 20.6 q A13
2013-10-30 22:22:20 C 03 46 43.02 +06 18 12.6 q A13
2013-11-06 09:48:00 C 03 39 33.950 +05 29 14.92 L F51
2013-11-06 10:07:49 C 03 39 32.963 +05 29 08.68 L F51
2013-11-06 10:27:35 C 03 39 31.960 +05 29 02.48 L F51
2013-11-06 10:47:26 C 03 39 30.961 +05 28 56.25 L F51
2013-11-20 05:40:39 C 03 21 49.02 +03 49 21.3 u H21
2013-11-20 05:47:31 C 03 21 48.65 +03 49 19.8 u H21
2013-11-20 05:54:29 C 03 21 48.23 +03 49 17.9 u H21
2013-11-23 08:12:40 C 03 17 35.913 +03 29 17.63 L F51
2013-11-23 08:30:52 C 03 17 34.851 +03 29 12.95 L F51
2013-11-26 13:46:51 C 03 13 12.16 +03 09 45.9 q D29
2013-11-26 14:09:45 C 03 13 10.79 +03 09 41.1 q D29
2013-11-27 04:45:14 C 03 12 21.45 +03 06 11.8 q 703
2013-11-27 05:09:18 C 03 12 20.03 +03 06 07.5 q 703
2013-11-27 05:21:21 C 03 12 19.32 +03 06 01.5 q 703
2013-11-27 10:57:04 C 03 12 00.167 +03 04 44.72 L F51
2013-11-27 11:16:17 C 03 11 59.055 +03 04 40.22 L F51
2013-11-27 11:54:04 C 03 11 56.884 +03 04 31.27 L F51
2013-12-01 21:48:26 C 03 06 03.55 +02 41 17.4 t 130
2013-12-01 21:56:38 C 03 06 03.06 +02 41 14.3 t 130
2013-12-02 12:10:54 C 03 05 16.56 +02 38 25.7 q D29
2013-12-02 12:33:48 C 03 05 15.34 +02 38 20.9 q D29
2013-12-02 12:56:43 C 03 05 14.02 +02 38 16.0 q D29
2013-12-04 07:15:06 C 03 02 57.107 +02 30 13.99 L F51
2013-12-04 07:33:57 C 03 02 56.061 +02 30 10.57 L F51
2013-12-07 05:23:09 C 02 59 16.29 +02 18 16.8 q 703
2013-12-07 05:32:34 C 02 59 15.67 +02 18 15.6 q 703
2013-12-07 05:42:00 C 02 59 15.19 +02 18 14.1 q 703
2013-12-10 06:41:46 C 02 55 35.762 +02 07 42.78 L F51
2013-12-10 07:01:41 C 02 55 34.762 +02 07 40.17 L F51
2013-12-23 11:42:09 C 02 42 20.94 +01 46 02.5 q D29
2013-12-23 12:10:47 C 02 42 19.96 +01 46 02.2 q D29
2013-12-23 12:39:25 C 02 42 18.98 +01 46 01.5 q D29
2013-12-30 12:36:30 C 02 37 26.12 +01 50 34.7 q D29
2013-12-30 13:20:53 C 02 37 24.93 +01 50 36.6 q D29
2014-01-04 01:54:58 C 02 35 08.88 +01 59 12.7 R G45
2014-01-04 02:12:28 C 02 35 08.58 +01 59 14.2 R G45
2014-01-04 02:30:43 C 02 35 08.24 +01 59 16.4 R G45
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1998-06-30 02:35:00 -201253.89 0.2 Hz 2380 -1 -1
1998-06-30.107639 -20125389 20 Hz 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)