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
1981-12-16 10:53:23 A 03 42 15.43 +00 55 37.1 413
1981-12-16 12:03:23 A 03 42 10.30 +00 55 23.4 413
1994-01-05 10:43:01 03 12 26.88 +01 02 00.4 413
1994-01-05 11:43:02 03 12 24.23 +01 02 08.2 413
1994-01-07 12:41:22 03 10 26.39 +01 07 13.2 413
1994-01-16 11:01:39 A 03 04 07.41 +01 43 51.2 413
1994-01-21 11:59:33 C 03 02 13.05 +02 13 53.2 413
1994-01-21 12:04:38 C 03 02 12.99 +02 13 54.5 413
1994-01-21 12:09:17 C 03 02 12.94 +02 13 55.2 413
1994-01-21 13:21:51 C 03 02 12.05 +02 14 16.2 413
1994-01-21 13:27:23 C 03 02 12.06 +02 14 16.7 413
1994-01-22 11:35:59 C 03 01 59.16 +02 20 27.1 413
1994-01-22 11:44:22 C 03 01 59.07 +02 20 29.5 413
1994-01-22 11:48:28 C 03 01 59.06 +02 20 30.4 413
1994-01-22 11:54:43 C 03 01 58.98 +02 20 32.1 413
1994-01-23 12:22:20 C 03 01 47.29 +02 27 35.9 413
1994-01-23 12:26:28 C 03 01 47.26 +02 27 37.0 413
1994-01-25 10:02:59 C 03 01 33.73 +02 41 14.5 z 360
1994-01-25 10:14:59 C 03 01 33.63 +02 41 18.2 z 360
1994-01-29 09:27:35 C 03 01 36.39 +03 12 34.2 z 385
1994-01-29 09:47:09 C 03 01 36.42 +03 12 41.1 z 385
1994-01-30 10:50:00 C 03 01 44.03 +03 21 28.2 z 360
1994-01-30 10:52:59 C 03 01 44.08 +03 21 28.4 z 360
1994-02-05 03:49:26 C 03 03 16.80 +04 13 08.9 z 658
1994-02-05 03:52:57 C 03 03 16.85 +04 13 10.4 z 658
1994-02-05 03:56:01 C 03 03 16.89 +04 13 11.7 z 658
1994-02-08 04:10:05 C 03 04 39.46 +04 42 53.4 z 658
1994-02-08 04:14:05 C 03 04 39.51 +04 42 54.9 z 658
1994-02-08 04:18:14 C 03 04 39.60 +04 42 57.1 z 658
1994-02-12 19:51:12 C 03 07 31.47 +05 31 53.1 587
1994-02-12 20:01:40 C 03 07 31.80 +05 31 57.4 587
1994-02-12 20:28:54 C 03 07 32.52 +05 32 10.2 587
1994-02-16 18:59:05 C 03 10 39.31 +06 16 20.2 z 104
1994-02-16 19:07:00 C 03 10 39.40 +06 16 25.2 z 104
1994-02-16 19:20:13 C 03 10 39.86 +06 16 33.3 z 104
1994-02-16 19:27:00 C 03 10 40.02 +06 16 37.9 z 104
1994-02-17 02:00:12 03 10 54.59 +06 19 47.0 711
1994-02-20 11:18:08 C 03 14 06.07 +06 59 58.7 413
1994-02-20 11:21:33 C 03 14 06.24 +07 00 00.8 413
1994-03-04 10:42:44 C 03 28 45.62 +09 34 50.6 z 360
1994-03-04 10:47:00 C 03 28 45.90 +09 34 52.7 z 360
1994-03-07 03:36:23 C 03 32 46.04 +10 12 40.8 z 658
1994-03-07 03:40:32 C 03 32 46.30 +10 12 43.2 z 658
1994-03-07 03:51:27 C 03 32 46.97 +10 12 49.5 z 658
1994-03-10 18:16:32 C 03 38 30.73 +11 04 56.1 z 557
1994-03-10 18:24:25 C 03 38 31.22 +11 05 01.4 z 557
1994-03-13 00:03:49 C 03 42 17.61 +11 38 21.4 z 801
1994-03-13 00:15:29 C 03 42 18.48 +11 38 29.9 z 801
1994-03-19 10:05:19 C 03 54 01.32 +13 18 39.0 413
1994-03-19 10:09:39 C 03 54 01.64 +13 18 41.8 413
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)