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
2020-10-18 05:07:22 V 22 12 53.15 +44 54 48.2 13.5 V 247
2020-10-18 05:07:22 v 1 237.55022 +37.73276 247
2020-10-18 05:13:27 V 22 12 50.88 +44 55 43.0 13.4 V 247
2020-10-18 05:13:27 v 1 247.93568 +33.62459 247
2020-10-18 05:17:34 V 22 12 46.82 +44 55 40.2 13.5 V 247
2020-10-18 05:17:34 v 1 285.58788 +40.50373 247
2020-10-18 05:24:22 V 22 12 49.63 +44 57 11.9 13.5 V 247
2020-10-18 05:24:22 v 1 247.93568 +33.62459 247
2020-10-18 05:28:09 V 22 12 45.80 +44 57 05.1 13.5 V 247
2020-10-18 05:28:09 v 1 285.58788 +40.50373 247
2020-10-18 05:40:04 V 22 12 44.68 +44 58 40.1 13.6 V 247
2020-10-18 05:40:04 v 1 285.58788 +40.50373 247
2020-10-18 05:40:10 V 22 12 48.58 +44 59 22.4 13.5 V 247
2020-10-18 05:40:10 v 1 242.02156 +33.67007 247
2020-10-18 05:51:59 V 22 12 43.52 +45 00 15.2 13.9 V 247
2020-10-18 05:51:59 v 1 285.58788 +40.50373 247
2020-10-18 06:21:30 V 22 12 40.64 +45 04 10.1 13.8 V 247
2020-10-18 06:21:30 v 1 285.58788 +40.50373 247
2020-10-18 06:28:07 V 22 12 43.15 +45 05 50.3 13.5 V 247
2020-10-18 06:28:07 v 1 242.02156 +33.67007 247
2020-10-18 06:33:25 V 22 12 39.66 +45 05 44.7 13.6 V 247
2020-10-18 06:33:25 v 1 285.58788 +40.50373 247
2020-10-18 06:38:57 V 22 12 41.25 +45 07 13.6 13.3 V 247
2020-10-18 06:38:57 v 1 247.93568 +33.62459 247
2020-10-18 06:45:20 V 22 12 38.59 +45 07 19.1 13.7 V 247
2020-10-18 06:45:20 v 1 285.58788 +40.50373 247
2020-10-18 06:49:52 V 22 12 40.04 +45 08 41.3 13.3 V 247
2020-10-18 06:49:52 v 1 247.93568 +33.62459 247
2020-10-18 06:57:15 V 22 12 37.61 +45 08 54.0 13.1 V 247
2020-10-18 06:57:15 v 1 285.58788 +40.50373 247
2020-10-18 07:00:47 V 22 12 38.87 +45 10 09.0 13.2 V 247
2020-10-18 07:00:47 v 1 247.93568 +33.62459 247
2020-10-18 07:07:51 V 22 12 36.68 +45 10 18.7 13.7 V 247
2020-10-18 07:07:51 v 1 285.58788 +40.50373 247
2020-10-18 07:13:42 V 22 12 37.51 +45 11 52.6 13.1 V 247
2020-10-18 07:13:42 v 1 247.93568 +33.62459 247
2020-10-18 07:18:26 V 22 12 35.79 +45 11 42.7 13.8 V 247
2020-10-18 07:18:26 v 1 285.58788 +40.50373 247
2020-10-18 07:25:37 V 22 12 36.32 +45 13 27.7 13.1 V 247
2020-10-18 07:25:37 v 1 247.93568 +33.62459 247
2020-10-18 07:30:21 V 22 12 34.84 +45 13 18.2 13.8 V 247
2020-10-18 07:30:21 v 1 285.58788 +40.50373 247
2020-10-18 07:36:32 V 22 12 35.18 +45 14 55.4 13.2 V 247
2020-10-18 07:36:32 v 1 247.93568 +33.62459 247
2020-10-18 07:40:57 V 22 12 33.96 +45 14 42.2 13.6 V 247
2020-10-18 07:40:57 v 1 285.58788 +40.50373 247
2020-10-19 15:36:18 C 22 10 03.92 +49 38 42.5 V C40
2020-10-19 15:47:11 C 22 10 02.62 +49 40 13.5 V C40
2020-10-19 15:50:48 C 22 10 02.19 +49 40 43.9 V C40
2020-10-19 15:52:00 C 22 10 02.05 +49 40 53.9 V C40
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)