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
1998-01-17 18:58:28 C 02 59 44.88 +02 05 32.1 046
1998-01-27 18:59:04 C 02 58 30.55 +03 12 36.5 z 118
1998-01-27 19:09:57 C 02 58 30.59 +03 12 40.0 z 118
1998-06-13 05:23:33 C 12 00 53.16 +63 04 06.4 15.9 z 750
1998-06-13 05:32:52 C 12 01 04.69 +63 03 54.3 15.7 z 750
1998-06-13 21:05:06 C 12 20 01.35 +62 41 40.6 15.3 143
1998-06-13 21:05:41 C 12 20 01.81 +62 41 39.7 15.3 143
1998-06-13 21:06:14 C 12 20 02.67 +62 41 38.4 15.3 143
1998-06-13 21:06:47 C 12 20 03.40 +62 41 38.2 15.5 143
1998-06-13 21:07:22 C 12 20 04.03 +62 41 36.6 15.5 143
1998-06-13 21:07:56 C 12 20 04.68 +62 41 35.6 15.2 143
1998-06-13 21:08:29 C 12 20 05.44 +62 41 33.9 15.2 143
1998-06-13 21:09:04 C 12 20 06.14 +62 41 33.4 15.2 143
1998-06-16 21:51:59 C 13 41 31.20 +58 52 16.4 z 476
1998-06-16 21:56:00 C 13 41 35.05 +58 51 58.8 z 476
1998-06-16 22:03:30 C 13 41 42.47 +58 51 25.5 z 476
1998-06-16 22:21:59 C 13 42 00.56 +58 50 01.1 z 476
1998-06-17 21:29:00 C 14 03 52.68 +57 00 32.9 z 476
1998-06-17 21:40:00 C 14 04 02.17 +56 59 37.7 z 476
1998-06-19 21:18:16 C 14 42 11.99 +52 36 51.1 z 121
1998-06-19 22:46:52 C 14 43 13.90 +52 28 00.7 z 121
1998-06-20 00:22:12 C 14 44 20.58 +52 18 42.4 14.8 z 148
1998-06-20 00:24:38 C 14 44 22.27 +52 18 28.1 14.8 z 148
1998-06-20 00:27:41 C 14 44 24.38 +52 18 10.0 14.9 z 148
1998-06-20 00:30:43 C 14 44 26.50 +52 17 51.7 14.8 z 148
1998-06-20 00:33:46 C 14 44 28.62 +52 17 33.3 14.8 z 148
1998-06-20 15:15:06 C 14 54 21.41 +50 49 20.7 m 347
1998-06-20 15:19:16 C 14 54 24.09 +50 48 54.7 m 347
1998-06-20 15:23:36 C 14 54 26.84 +50 48 28.1 m 347
1998-06-20 22:07:20 C 14 58 45.73 +50 07 16.8 628
1998-06-20 22:21:20 C 14 58 54.29 +50 05 50.6 628
1998-06-20 22:35:21 C 14 59 02.89 +50 04 23.8 628
1998-06-20 22:52:20 C 14 59 13.33 +50 02 38.2 628
1998-06-20 23:05:21 C 14 59 21.22 +50 01 17.9 628
1998-06-20 23:35:20 C 14 59 39.56 +49 58 11.2 628
1998-06-23 00:05:17 C 15 26 18.37 +44 54 55.1 z 491
1998-06-23 00:14:55 C 15 26 22.99 +44 53 54.2 z 491
1998-06-23 00:21:51 C 15 26 26.11 +44 53 10.2 z 491
1998-06-23 00:28:09 C 15 26 29.33 +44 52 31.0 z 491
1998-06-23 21:20:08 C 15 36 06.89 +42 41 28.0 14.8 z 627
1998-06-23 21:50:42 C 15 36 19.80 +42 38 16.5 14.8 z 627
1998-06-23 22:03:46 C 15 36 25.32 +42 36 54.5 14.8 z 627
1998-06-23 22:19:10 C 15 36 31.82 +42 35 18.1 14.7 z 627
1998-06-23 23:10:20 C 15 36 53.45 +42 29 56.4 14.4 z 132
1998-06-23 23:15:06 C 15 36 55.50 +42 29 25.6 14.6 z 132
1998-06-23 23:20:24 C 15 36 57.68 +42 28 52.5 14.6 z 132
1998-06-24 21:49:25 C 15 46 11.87 +40 09 23.2 14.5 z 627
1998-06-24 22:19:01 C 15 46 23.00 +40 06 20.3 14.6 z 627
1998-06-24 22:29:52 C 15 46 27.11 +40 05 13.1 14.6 z 627
1998-06-24 22:42:49 C 15 46 31.99 +40 03 52.7 14.5 z 627
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)