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
2020-10-14 18:10:55 C 22 19 02.54 +33 48 43.9 q L18
2020-10-14 18:11:06 C 22 19 02.54 +33 48 45.2 q L18
2020-10-14 18:11:16 C 22 19 02.51 +33 48 46.3 q L18
2020-10-14 18:11:26 C 22 19 02.50 +33 48 47.8 q L18
2020-10-14 18:11:36 C 22 19 02.48 +33 48 49.1 q L18
2020-10-14 18:11:47 C 22 19 02.47 +33 48 50.2 q L18
2020-10-14 18:11:57 C 22 19 02.45 +33 48 51.8 q L18
2020-10-14 18:12:07 C 22 19 02.45 +33 48 53.0 q L18
2020-10-14 18:12:17 C 22 19 02.42 +33 48 54.1 q L18
2020-10-14 23:51:32 V 22 18 42.29 +34 33 05.3 13.0 V 247
2020-10-14 23:51:32 v 1 276.64251 +33.90557 247
2020-10-15 00:03:27 V 22 18 41.15 +34 34 39.7 13.0 V 247
2020-10-15 00:03:27 v 1 276.64251 +33.90557 247
2020-10-15 00:17:53 V 22 18 39.77 +34 36 33.8 12.9 V 247
2020-10-15 00:17:53 v 1 276.64251 +33.90557 247
2020-10-15 00:28:49 V 22 18 38.73 +34 37 59.9 13.0 V 247
2020-10-15 00:28:49 v 1 276.64251 +33.90557 247
2020-10-15 00:40:43 V 22 18 37.56 +34 39 33.9 12.9 V 247
2020-10-15 00:40:43 v 1 276.64251 +33.90557 247
2020-10-15 00:51:39 V 22 18 36.50 +34 41 00.0 12.9 V 247
2020-10-15 00:51:39 v 1 276.64251 +33.90557 247
2020-10-15 01:02:34 V 22 18 35.42 +34 42 25.9 12.8 V 247
2020-10-15 01:02:34 v 1 276.64251 +33.90557 247
2020-10-15 01:13:30 V 22 18 34.33 +34 43 52.0 12.8 V 247
2020-10-15 01:13:30 v 1 276.64251 +33.90557 247
2020-10-15 01:25:24 V 22 18 33.16 +34 45 25.3 12.7 V 247
2020-10-15 01:25:24 v 1 276.64251 +33.90557 247
2020-10-15 01:36:20 V 22 18 32.08 +34 46 51.1 12.7 V 247
2020-10-15 01:36:20 v 1 276.64251 +33.90557 247
2020-10-15 01:48:32 V 22 18 30.78 +34 48 26.4 12.8 V 247
2020-10-15 01:48:32 v 1 276.64251 +33.90557 247
2020-10-15 03:06:56 V 22 18 22.94 +34 58 37.7 13.1 V 247
2020-10-15 03:06:56 v 1 276.64251 +33.90557 247
2020-10-15 04:08:29 V 22 18 16.90 +35 06 34.1 13.2 V 247
2020-10-15 04:08:29 v 1 276.64251 +33.90557 247
2020-10-15 04:29:44 V 22 18 14.81 +35 09 18.1 13.0 V 247
2020-10-15 04:29:44 v 1 276.64251 +33.90557 247
2020-10-15 04:50:05 V 22 18 12.92 +35 11 53.2 13.0 V 247
2020-10-15 04:50:05 v 1 276.64251 +33.90557 247
2020-10-15 05:12:38 C 22 18 11.82 +35 14 51.2 q H45
2020-10-15 05:13:25 C 22 18 11.74 +35 14 57.3 q H45
2020-10-15 05:14:13 C 22 18 11.66 +35 15 03.4 q H45
2020-10-15 05:15:06 C 22 18 11.58 +35 15 10.3 q H45
2020-10-15 05:15:57 C 22 18 11.50 +35 15 16.6 q H45
2020-10-15 05:16:49 C 22 18 11.42 +35 15 23.6 q H45
2020-10-15 16:01:30 C 22 17 33.46 +36 39 45.2 V C40
2020-10-15 16:11:09 C 22 17 32.55 +36 41 02.7 V C40
2020-10-15 16:13:35 C 22 17 32.32 +36 41 22.0 V C40
2020-10-15 16:16:00 C 22 17 32.09 +36 41 41.5 V C40
2020-10-15 16:17:11 C 22 17 31.98 +36 41 51.0 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)