159402 (1999 AP10)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5718875683 ± 2.00e+00
Semi-major axis (a)2.3795249535 AU ± 3.00e+00
Inclination (i)7.57251847° ± 4.00e+00
Long. of Asc. Node (Ω)356.82026746° ± 5.00e+00
Arg. of Perihelion (ω)47.64325814° ± 6.00e+00
Mean Anomaly (M)134.48005294° ± 3.87e-06
Mean Motion (n)0.2685201499°/day ± 5.08e-01
Perihelion dist (q)1.01870421 AU ± 4.93e+00
Aphelion dist (Q)3.74034569 AU ± 6.70e+00
Orbital Period3.67058593 yr ± 6.94e+00
NGA Modelr2
A2-2.57489810e-06 AU/d²
Physical Parameters
H (abs. magnitude)16.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.312″
Uncertainty0
Orbit TypeAmor
MOID0.075364 AU
Observations Used4898
Gaia Obs Used83
Oppositions12
Arc Total1999-2016
First Observation Used1999-01-14
Last Observation Used2025-05-02
Observations (5945)
Date Type RA Dec Mag Band Observatory
2010-01-04 19:48:35 C 08 48 56.17 +48 12 46.2 w J93
2010-01-05 03:17:17 C 08 48 05.12 +48 06 02.4 16.0 u C20
2010-01-05 03:18:24 C 08 48 04.97 +48 06 01.1 16.1 u C20
2010-01-06 02:22:16 C 08 45 40.27 +47 44 48.1 15.8 u C20
2010-01-07 23:20:57 C 08 41 06.30 +47 03 05.9 16.0 u C20
2010-01-07 23:22:04 C 08 41 06.18 +47 03 04.9 16.0 u C20
2010-01-08 19:23:00 C 08 39 08.57 +46 44 10.1 16.1 u 084
2010-01-08 19:26:18 C 08 39 08.26 +46 44 07.2 16.1 u 084
2010-01-08 21:14:20 C 08 38 57.21 +46 42 36.8 15.9 u C20
2010-01-08 21:15:27 C 08 38 57.09 +46 42 35.8 15.9 u C20
2010-01-09 01:49:05 C 08 38 28.36 +46 38 15.3 15.9 u C20
2010-01-09 21:35:51 C 08 36 35.43 +46 19 44.1 15.9 u C20
2010-01-10 01:54:32 C 08 36 08.97 +46 15 36.0 15.8 u C20
2010-01-10 01:55:39 C 08 36 08.86 +46 15 34.8 15.7 u C20
2010-01-20 17:08:26 C 08 15 30.33 +42 13 34.8 16.3 o 084
2010-01-20 17:11:41 C 08 15 30.12 +42 13 31.4 16.2 o 084
2010-01-23 23:20:17 C 08 10 43.02 +41 00 49.3 16.3 u C20
2010-01-23 23:21:25 C 08 10 42.96 +41 00 48.2 16.3 u C20
2010-01-26 11:29:56 C 08 07 35.73 +40 05 48.5 u 379
2010-01-26 11:41:02 C 08 07 35.15 +40 05 38.3 u 379
2010-01-26 11:43:43 C 08 07 35.04 +40 05 36.0 u 379
2010-01-27 04:39:31 C 08 06 46.01 +39 50 20.6 r H53
2010-01-27 04:44:11 C 08 06 45.84 +39 50 16.7 r H53
2010-01-27 04:49:11 C 08 06 45.52 +39 50 11.4 r H53
2010-01-27 04:53:12 C 08 06 45.28 +39 50 07.0 r H53
2010-01-27 04:57:13 C 08 06 45.13 +39 50 04.3 r H53
2010-01-27 05:01:15 C 08 06 44.91 +39 50 00.8 r H53
2010-02-02 00:30:12 C 08 01 21.50 +37 47 57.6 16.5 u C20
2010-02-02 00:31:20 C 08 01 21.46 +37 47 56.6 16.5 u C20
2010-02-03 06:46:15 C 08 00 29.10 +37 22 37.7 u H45
2010-02-03 06:48:08 C 08 00 29.03 +37 22 36.3 u H45
2010-02-03 06:49:34 C 08 00 29.00 +37 22 35.1 u H45
2010-02-03 06:52:43 C 08 00 28.89 +37 22 32.4 u H45
2010-02-03 06:54:46 C 08 00 28.82 +37 22 30.6 u H45
2010-02-05 03:40:39 C 07 59 22.30 +36 45 37.2 r 703
2010-02-05 03:47:46 C 07 59 22.16 +36 45 31.7 r 703
2010-02-05 03:54:52 C 07 59 21.98 +36 45 26.1 r 703
2010-02-05 04:01:57 C 07 59 21.73 +36 45 20.7 r 703
2010-02-05 04:09:02 C 07 59 21.58 +36 45 14.9 r 703
2010-02-07 00:04:06 C 07 58 25.71 +36 09 50.6 17.0 u C20
2010-02-07 00:05:13 C 07 58 25.69 +36 09 49.7 17.0 u C20
2010-02-07 23:27:16 C 07 58 01.45 +35 51 23.9 16.7 u C20
2010-02-07 23:28:24 C 07 58 01.43 +35 51 23.0 16.8 u C20
2010-02-07 23:32:34 C 07 58 01.80 +35 51 21.5 v 204
2010-02-07 23:36:16 C 07 58 01.72 +35 51 18.6 v 204
2010-02-07 23:39:57 C 07 58 01.65 +35 51 15.6 v 204
2010-02-08 01:50:06 C 07 57 59.17 +35 49 31.6 v 204
2010-02-08 01:52:56 C 07 57 59.11 +35 49 29.3 v 204
2010-02-09 21:50:17 C 07 57 22.70 +35 15 32.0 17.1 u C20
2010-02-09 21:51:24 C 07 57 22.67 +35 15 31.1 17.2 u C20
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-10-11 01:31:00 87906655.26 8 us 2380 -1 -1
2009-10-12 00:08:00 85713954.267 4 us 2380 -1 -1
2009-10-12 23:58:00 83619759.401 4 us 2380 -1 -1
2009-10-13 23:53:00 81754691.25 4 us 2380 -1 -1
2020-10-24 05:10:00 83056497.8 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)