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
1998-07-24 08:30:53 C 17 31 06.05 -00 22 53.0 t 566
1998-07-24 08:46:43 C 17 31 07.04 -00 23 16.6 t 566
1998-07-24 09:01:28 C 17 31 07.97 -00 23 40.6 t 566
1998-08-07 21:30:05 C 17 52 25.91 -07 24 31.6 046
1998-08-07 21:36:06 C 17 52 26.22 -07 24 37.1 046
1998-08-07 21:44:07 C 17 52 26.67 -07 24 44.7 046
2001-10-29 12:04:13 C 04 29 31.26 +07 28 04.2 t 644
2001-10-29 12:19:21 C 04 29 30.78 +07 27 59.1 t 644
2001-10-29 12:34:31 C 04 29 30.27 +07 27 54.0 t 644
2001-11-12 07:53:18 C 04 15 36.90 +05 33 51.6 c 699
2001-11-12 08:27:15 C 04 15 35.12 +05 33 39.7 c 699
2001-11-12 09:01:19 C 04 15 33.35 +05 33 27.7 c 699
2001-11-12 09:35:26 C 04 15 31.44 +05 33 16.1 c 699
2001-11-15 07:09:14 C 04 11 49.09 +05 08 54.4 18.8 c 704
2001-11-15 07:30:25 C 04 11 47.85 +05 08 47.1 19.3 c 704
2001-11-15 07:51:38 C 04 11 46.71 +05 08 39.5 19.2 c 704
2001-11-15 08:12:49 C 04 11 45.45 +05 08 31.5 19.5 c 704
2001-11-15 08:34:03 C 04 11 44.27 +05 08 25.5 19.3 c 704
2001-11-18 07:09:38 C 04 07 44.02 +04 43 59.0 19.3 c 704
2001-11-18 07:31:16 C 04 07 42.62 +04 43 51.5 19.8 c 704
2001-11-18 07:52:52 C 04 07 41.38 +04 43 44.8 18.9 c 704
2001-11-18 08:14:28 C 04 07 40.08 +04 43 37.7 19.1 c 704
2001-11-18 08:36:04 C 04 07 38.83 +04 43 28.9 18.9 c 704
2001-11-21 11:20:07 C 04 03 10.31 +04 18 12.6 t 608
2001-11-21 11:35:20 C 04 03 09.35 +04 18 07.4 t 608
2001-12-07 05:19:04 C 03 38 31.49 +02 28 56.5 19.3 c 704
2001-12-07 05:40:53 C 03 38 30.01 +02 28 51.3 19.1 c 704
2001-12-07 06:03:35 C 03 38 28.44 +02 28 46.1 18.9 c 704
2001-12-07 06:25:00 C 03 38 27.00 +02 28 41.0 19.1 c 704
2001-12-07 06:47:03 C 03 38 25.50 +02 28 36.4 19.1 c 704
2001-12-14 03:45:30 C 03 27 45.62 +01 56 28.2 c 699
2001-12-14 04:17:06 C 03 27 43.52 +01 56 23.5 c 699
2001-12-14 04:48:46 C 03 27 41.47 +01 56 17.6 c 699
2001-12-14 05:20:35 C 03 27 39.43 +01 56 13.6 c 699
2001-12-16 03:23:43 C 03 24 49.26 +01 49 29.1 18.8 c 644
2001-12-16 03:52:21 C 03 24 47.49 +01 49 25.6 18.9 c 644
2001-12-16 04:22:28 C 03 24 45.60 +01 49 21.4 18.7 c 644
2001-12-22 06:54:25 C 03 16 19.71 +01 34 47.5 t 608
2001-12-22 07:09:39 C 03 16 18.89 +01 34 46.3 t 608
2001-12-22 07:25:31 C 03 16 18.02 +01 34 45.6 t 608
2002-02-09 02:07:58 C 03 00 17.67 +05 18 33.7 18.7 c 704
2002-02-09 02:30:49 C 03 00 18.26 +05 18 42.8 19.1 c 704
2002-02-09 02:51:45 C 03 00 18.76 +05 18 51.6 19.3 c 704
2002-02-09 03:13:21 C 03 00 19.38 +05 18 58.4 18.9 c 704
2002-02-09 03:34:24 C 03 00 19.97 +05 19 08.1 18.8 c 704
2002-07-02 04:20:13 C 13 43 46.61 +25 23 17.3 15.7 c 704
2002-07-02 05:15:21 C 13 44 09.50 +25 20 26.5 15.7 c 704
2002-07-02 05:33:38 C 13 44 17.10 +25 19 30.3 15.3 c 704
2002-07-13 04:54:07 C 15 13 14.86 +12 02 46.7 15.7 c 704
2002-07-13 05:12:19 C 15 13 19.53 +12 01 56.8 15.6 c 704
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)