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
1994-07-07 03:34:42 C 18 04 38.49 +12 34 23.2 z 801
1994-07-09 05:46:01 18 05 03.76 +10 14 22.7 711
1994-07-09 16:14:14 C 18 05 08.72 +09 46 53.4 z 360
1994-07-09 16:22:29 C 18 05 08.75 +09 46 32.1 z 360
1994-07-11 12:33:00 18 05 36.28 +07 56 57.6 323
1994-07-13 07:41:00 C 18 06 03.80 +06 17 36.7 657
1994-07-13 07:42:49 C 18 06 03.80 +06 17 32.0 657
1994-07-16 21:05:29 C 18 07 09.92 +03 23 28.2 z 540
1994-07-16 21:09:06 C 18 07 09.89 +03 23 21.4 z 540
1994-07-16 21:15:22 C 18 07 10.04 +03 23 09.5 z 540
1994-07-25 14:31:19 C 18 10 46.64 -02 09 15.7 413
1994-07-25 14:35:03 C 18 10 46.70 -02 09 20.8 413
1994-07-29 20:36:10 C 18 13 01.69 -04 15 56.4 z 540
1994-07-29 20:41:55 C 18 13 01.87 -04 16 03.6 z 540
1994-07-29 20:47:18 C 18 13 02.03 -04 16 09.8 z 540
1994-07-29 21:11:46 C 18 13 02.41 -04 16 39.2 z 540
1994-08-04 21:16:37 C 18 16 44.25 -06 45 31.0 z 540
1994-08-04 21:22:58 C 18 16 44.30 -06 45 38.2 z 540
1994-08-04 21:29:03 C 18 16 44.45 -06 45 43.9 z 540
1994-08-07 12:30:29 C 18 18 33.29 -07 41 52.7 z 360
1994-08-07 12:36:00 C 18 18 33.45 -07 41 57.5 z 360
1994-08-08 02:15:13 C 18 18 57.89 -07 53 32.8 z 801
1994-08-16 13:36:04 C 18 25 38.92 -10 22 23.1 413
1994-08-16 13:39:44 C 18 25 39.03 -10 22 25.9 413
1997-10-31 08:17:46 C 04 37 52.47 +07 18 24.0 z 711
1997-10-31 08:36:16 C 04 37 52.02 +07 18 18.7 z 711
1997-11-01 09:15:41 C 04 37 03.72 +07 09 45.2 z 711
1997-11-01 09:34:43 C 04 37 03.05 +07 09 38.2 z 711
1997-11-02 09:54:11 C 04 36 13.17 +07 01 07.6 z 711
1997-11-02 10:12:57 C 04 36 12.48 +07 01 01.0 z 711
1997-11-06 16:04:07 C 04 32 18.88 +06 24 41.2 z 381
1997-11-06 16:10:15 C 04 32 18.61 +06 24 39.0 z 381
1997-11-06 16:16:05 C 04 32 18.37 +06 24 36.8 z 381
1997-11-24 14:06:30 C 04 09 05.50 +03 48 54.2 360
1997-11-24 14:14:00 C 04 09 05.02 +03 48 51.9 360
1997-11-24 14:21:29 C 04 09 04.51 +03 48 49.5 360
1997-12-09 06:51:02 C 03 44 51.55 +02 03 52.5 658
1997-12-09 07:09:28 C 03 44 50.25 +02 03 48.7 658
1997-12-09 07:15:04 C 03 44 49.88 +02 03 46.9 658
1997-12-24 13:30:44 C 03 21 05.96 +01 09 37.2 360
1997-12-24 13:37:30 C 03 21 05.55 +01 09 36.9 360
1997-12-24 13:43:45 C 03 21 05.19 +01 09 36.7 360
1998-01-01 04:26:04 C 03 11 43.06 +01 08 49.8 z 711
1998-01-01 04:45:49 C 03 11 42.13 +01 08 50.5 z 711
1998-01-02 05:16:16 C 03 10 36.98 +01 10 05.7 z 711
1998-01-02 05:35:10 C 03 10 36.18 +01 10 06.7 z 711
1998-01-03 04:40:41 C 03 09 37.40 +01 11 34.6 z 711
1998-01-03 04:54:34 C 03 09 36.80 +01 11 35.6 z 711
1998-01-17 18:48:55 C 02 59 45.03 +02 05 30.2 046
1998-01-17 18:55:41 C 02 59 44.94 +02 05 31.3 046
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)