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
2002-07-13 05:30:22 C 15 13 24.23 +12 01 07.2 15.9 c 704
2002-07-13 05:48:46 C 15 13 28.97 +12 00 16.7 15.9 c 704
2002-07-13 06:07:21 C 15 13 33.77 +11 59 25.7 16.0 c 704
2002-07-20 23:07:04 C 15 55 07.89 +04 34 23.7 m 859
2002-07-20 23:08:43 C 15 55 08.18 +04 34 20.9 m 859
2002-07-20 23:10:20 C 15 55 08.46 +04 34 18.3 m 859
2002-07-20 23:11:59 C 15 55 08.78 +04 34 15.8 m 859
2002-08-07 05:24:43 C 16 55 58.36 -05 59 39.9 17.1 c 644
2002-08-07 05:39:37 C 16 56 00.03 -05 59 56.0 17.1 c 644
2002-08-07 05:54:34 C 16 56 01.71 -06 00 12.3 17.0 c 644
2002-08-13 03:41:59 C 17 11 28.61 -08 19 16.7 18.4 c 704
2002-08-13 04:03:08 C 17 11 30.73 -08 19 35.7 18.9 c 704
2002-08-13 04:24:01 C 17 11 32.85 -08 19 53.7 18.8 c 704
2002-08-13 04:44:57 C 17 11 34.96 -08 20 11.8 18.8 c 704
2002-08-13 05:05:50 C 17 11 37.09 -08 20 30.6 18.4 c 704
2002-08-14 03:36:04 C 17 13 55.30 -08 40 00.8 18.1 c 704
2002-08-14 03:57:40 C 17 13 57.38 -08 40 18.6 18.5 c 704
2002-08-14 04:19:53 C 17 13 59.57 -08 40 37.5 19.1 c 704
2002-08-14 04:41:49 C 17 14 01.83 -08 40 55.8 19.2 c 704
2002-08-14 21:10:35 C 17 15 41.43 -08 54 49.6 c 215
2002-08-14 21:11:27 C 17 15 41.63 -08 54 50.8 c 215
2002-08-14 21:14:10 C 17 15 41.90 -08 54 52.3 c 215
2004-10-08 08:14:56 C 01 16 53.462 +00 40 14.92 n 645
2004-10-08 08:19:43 C 01 16 53.294 +00 40 13.91 n 645
2004-10-16 08:17:22 C 01 10 20.437 -00 05 27.04 e 645
2004-10-16 08:22:22 C 01 10 20.256 -00 05 28.34 23.0 e 645
2004-10-20 08:09:19 C 01 07 05.604 -00 27 08.60 n 645
2004-10-20 08:09:55 C 01 07 05.604 -00 27 08.57 n 645
2004-10-20 08:14:06 C 01 07 05.460 -00 27 09.38 n 645
2004-10-20 08:14:42 C 01 07 05.456 -00 27 09.33 n 645
2005-10-27 10:31:54 C 04 14 58.74 +07 21 50.9 r 703
2005-10-27 10:39:30 C 04 14 58.59 +07 21 49.1 r 703
2005-10-27 10:47:03 C 04 14 58.34 +07 21 46.4 r 703
2005-10-27 10:54:39 C 04 14 58.02 +07 21 44.3 r 703
2005-11-03 07:57:18 C 04 08 37.53 +06 27 43.6 r 703
2005-11-03 08:04:47 C 04 08 37.28 +06 27 40.5 r 703
2005-11-03 08:12:15 C 04 08 36.88 +06 27 39.0 r 703
2005-11-03 08:19:44 C 04 08 36.60 +06 27 35.6 r 703
2005-11-08 08:14:48 C 04 03 05.12 +05 47 20.9 19.2 c 704
2005-11-08 08:33:32 C 04 03 04.24 +05 47 15.4 19.3 c 704
2005-11-08 08:52:15 C 04 03 03.26 +05 47 09.3 19.0 c 704
2005-11-09 09:31:35 C 04 01 49.76 +05 38 51.5 r 703
2005-11-09 09:45:50 C 04 01 48.97 +05 38 46.8 r 703
2005-11-09 10:02:57 C 04 01 48.10 +05 38 41.2 r 703
2005-11-09 10:24:05 C 04 01 46.99 +05 38 31.6 r 703
2005-11-22 07:43:00 C 03 44 23.60 +03 57 50.9 r 703
2005-11-22 07:50:38 C 03 44 23.28 +03 57 49.1 r 703
2005-11-22 07:58:16 C 03 44 22.84 +03 57 46.9 r 703
2005-11-22 08:05:56 C 03 44 22.34 +03 57 44.1 r 703
2005-11-29 04:56:22 C 03 34 08.58 +03 10 28.0 r 703
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)