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
2020-09-20 20:07:07 C 22 49 59.29 -08 47 41.8 V K85
2020-09-20 20:27:06 C 22 49 58.21 -08 47 04.0 V K85
2020-09-20 21:08:18 C 22 49 55.85 -08 45 46.7 V L65
2020-09-20 21:18:34 C 22 49 55.28 -08 45 27.3 V L65
2020-09-20 21:30:35 C 22 49 54.64 -08 45 04.0 V L65
2020-09-20 22:47:17 C 22 49 49.48 -08 42 33.5 V 089
2020-09-20 22:54:04 C 22 49 49.12 -08 42 20.4 V 089
2020-09-20 22:57:27 C 22 49 48.93 -08 42 14.3 V 089
2020-09-20 23:04:13 C 22 49 48.56 -08 42 00.5 V 089
2020-09-20 23:07:36 C 22 49 48.37 -08 41 54.4 V 089
2020-09-20 23:10:59 C 22 49 48.19 -08 41 47.9 V 089
2020-09-20 23:14:22 C 22 49 48.02 -08 41 41.0 V 089
2020-09-20 23:17:45 C 22 49 47.84 -08 41 34.1 V 089
2020-09-21 00:52:11 C 22 49 47.28 -08 38 24.2 q W46
2020-09-21 01:27:08 C 22 49 45.35 -08 37 17.0 q W46
2020-09-21 01:41:09 C 22 49 44.59 -08 36 50.1 q W46
2020-09-21 05:20:34 C 22 49 33.53 -08 29 42.0 V 703
2020-09-21 05:28:11 C 22 49 33.11 -08 29 26.6 V 703
2020-09-21 05:43:28 C 22 49 32.18 -08 28 57.0 V 703
2020-09-21 08:41:31 C 22 49 24.18 -08 22 57.9 V T05
2020-09-21 08:44:09 C 22 49 24.01 -08 22 52.8 V T05
2020-09-21 08:53:25 C 22 49 23.46 -08 22 34.5 V T05
2020-09-21 09:04:00 C 22 49 22.82 -08 22 13.5 V T05
2020-09-21 20:55:43 C 22 48 50.89 -07 58 41.4 V K85
2020-09-21 20:59:22 C 22 48 50.70 -07 58 34.1 V K85
2020-09-21 21:33:24 C 22 48 48.68 -07 57 25.7 V L65
2020-09-21 22:07:45 C 22 48 46.90 -07 56 14.4 V C23
2020-09-21 22:10:18 C 22 48 46.61 -07 56 10.2 V L65
2020-09-21 22:13:15 C 22 48 46.59 -07 56 03.1 V C23
2020-09-21 22:18:27 C 22 48 46.30 -07 55 52.5 V C23
2020-09-21 22:29:41 C 22 48 45.55 -07 55 30.2 V L65
2020-09-22 06:09:26 C 22 48 24.82 -07 39 24.4 q U76
2020-09-22 06:18:51 C 22 48 24.25 -07 39 04.7 q U76
2020-09-22 06:28:53 C 22 48 23.63 -07 38 43.7 q U76
2020-09-22 09:22:34 C 22 48 15.31 -07 32 27.1 V T05
2020-09-22 09:29:15 C 22 48 14.90 -07 32 12.9 V T05
2020-09-22 09:36:36 C 22 48 14.45 -07 31 57.3 V T05
2020-09-22 09:57:27 C 22 48 13.18 -07 31 13.1 V T05
2020-09-22 14:31:19 C 22 48 03.55 -07 21 40.0 V 186
2020-09-22 17:24:40 C 22 47 53.72 -07 15 29.2 V 186
2020-09-22 17:49:34 C 22 47 53.95 -07 14 38.0 q G23
2020-09-22 17:57:36 C 22 47 53.54 -07 14 20.7 q G23
2020-09-22 18:07:38 C 22 47 53.01 -07 13 58.8 q G23
2020-09-22 18:17:41 C 22 47 52.46 -07 13 37.3 q G23
2020-09-22 18:27:44 C 22 47 51.92 -07 13 15.6 q G23
2020-09-22 18:37:47 C 22 47 51.38 -07 12 54.2 q G23
2020-09-22 19:12:00 C 22 47 47.38 -07 11 36.2 V 186
2020-09-22 19:45:02 C 22 47 45.43 -07 10 24.0 V 186
2020-09-22 20:30:51 C 22 47 45.46 -07 08 50.4 V K85
2020-09-22 20:34:50 C 22 47 45.24 -07 08 41.6 V K85
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)