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
1998-07-08 22:25:40 C 16 58 39.74 +13 45 19.2 628
1998-07-10 04:52:33 C 17 02 13.26 +12 09 11.8 15.2 z 750
1998-07-10 05:09:23 C 17 02 15.09 +12 08 20.7 15.7 z 750
1998-07-10 05:15:58 C 17 02 15.78 +12 08 00.0 15.3 z 750
1998-07-11 04:39:50 C 17 04 50.18 +10 58 17.9 15.3 z 750
1998-07-11 04:49:03 C 17 04 51.11 +10 57 51.1 15.6 z 750
1998-07-11 21:03:49 C 17 06 33.91 +10 11 25.4 118
1998-07-11 21:30:42 C 17 06 36.55 +10 10 10.0 118
1998-07-11 21:44:02 C 17 06 37.85 +10 09 32.4 118
1998-07-12 05:30:59 C 17 07 26.20 +09 47 59.3 z 670
1998-07-12 05:41:00 C 17 07 27.12 +09 47 31.9 z 670
1998-07-12 05:53:14 C 17 07 28.28 +09 46 58.4 z 670
1998-07-13 05:12:55 C 17 09 47.46 +08 44 11.4 l 689
1998-07-13 21:29:40 C 17 11 20.92 +08 02 01.3 628
1998-07-13 21:59:41 C 17 11 23.55 +08 00 46.4 628
1998-07-13 22:24:41 C 17 11 25.83 +07 59 42.3 628
1998-07-13 22:44:41 C 17 11 27.70 +07 58 50.9 628
1998-07-14 20:53:37 C 17 13 30.51 +07 03 59.4 557
1998-07-14 22:03:31 C 17 13 36.51 +07 01 10.1 557
1998-07-14 23:09:38 C 17 13 42.24 +06 58 30.2 557
1998-07-15 00:19:45 C 17 13 48.33 +06 55 40.9 557
1998-07-17 04:17:24 C 17 18 17.71 +04 56 54.8 16.5 z 750
1998-07-17 04:27:47 C 17 18 18.59 +04 56 31.8 16.4 z 750
1998-07-17 04:55:31 C 17 18 20.71 +04 55 32.3 16.6 z 750
1998-07-17 21:35:21 C 17 19 42.64 +04 19 55.7 628
1998-07-17 21:51:20 C 17 19 43.83 +04 19 22.3 628
1998-07-17 22:06:19 C 17 19 44.99 +04 18 50.8 628
1998-07-17 22:23:19 C 17 19 46.35 +04 18 14.9 628
1998-07-17 22:43:20 C 17 19 47.86 +04 17 33.2 628
1998-07-18 04:18:14 C 17 20 14.91 +04 05 55.9 16.3 z 750
1998-07-18 04:29:13 C 17 20 15.87 +04 05 33.3 16.1 z 750
1998-07-18 04:37:10 C 17 20 16.33 +04 05 16.8 15.8 z 750
1998-07-18 21:31:08 C 17 21 36.47 +03 30 47.4 118
1998-07-18 21:40:56 C 17 21 37.19 +03 30 27.6 118
1998-07-18 23:15:19 C 17 21 44.31 +03 27 16.9 628
1998-07-18 23:30:20 C 17 21 45.49 +03 26 47.8 628
1998-07-18 23:50:20 C 17 21 47.00 +03 26 07.6 628
1998-07-18 23:53:19 C 17 21 47.26 +03 26 01.8 628
1998-07-19 00:12:19 C 17 21 48.66 +03 25 24.2 628
1998-07-20 05:24:28 C 17 24 02.79 +02 28 40.6 17.3 z 750
1998-07-20 05:42:17 C 17 24 04.03 +02 28 06.1 17.7 z 750
1998-07-20 20:33:56 C 17 25 10.81 +02 00 21.5 557
1998-07-20 21:20:36 C 17 25 14.08 +01 58 55.4 557
1998-07-20 22:15:16 C 17 25 17.92 +01 57 15.1 557
1998-07-20 23:29:25 C 17 25 23.15 +01 54 59.2 557
1998-07-21 21:31:26 C 17 26 59.43 +01 15 28.0 118
1998-07-21 21:40:33 C 17 27 00.03 +01 15 12.0 118
1998-07-22 09:34:44 C 17 27 50.73 +00 54 38.7 t 566
1998-07-22 09:49:34 C 17 27 51.67 +00 54 13.6 t 566
1998-07-22 10:04:18 C 17 27 52.74 +00 53 48.3 t 566
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)