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
2021-03-04 08:34:41 C 07 57 38.80 +29 25 36.2 V T08
2021-03-04 08:57:51 C 07 57 39.41 +29 25 23.2 V T08
2021-03-05 19:56:02 C 07 58 42.09 +29 06 16.8 a 233
2021-03-05 20:18:34 C 07 58 42.70 +29 06 03.2 a 233
2021-03-05 20:31:11 C 07 58 43.06 +29 05 57.1 a 233
2021-03-11 03:37:38 C 08 02 55.25 +27 59 38.4 V G96
2021-03-11 03:45:55 C 08 02 55.52 +27 59 33.9 V G96
2021-03-11 03:54:12 C 08 02 55.80 +27 59 29.7 V G96
2021-03-11 04:02:30 C 08 02 56.08 +27 59 25.6 V G96
2021-03-14 07:03:58 C 08 05 42.06 +27 22 11.2 V T05
2021-03-14 07:09:18 C 08 05 42.25 +27 22 08.7 V T05
2021-03-14 07:16:59 C 08 05 42.45 +27 22 04.6 V T05
2021-03-14 07:18:58 C 08 05 42.59 +27 22 04.7 V T05
2021-03-14 07:39:07 C 08 05 43.26 +27 21 53.7 V T05
2021-03-14 07:41:13 C 08 05 43.36 +27 21 53.8 V T05
2021-03-14 12:44:57 C 08 05 55.03 +27 19 22.9 q D29
2021-03-14 13:05:19 C 08 05 55.83 +27 19 13.3 q D29
2021-03-14 13:25:40 C 08 05 56.62 +27 19 02.8 q D29
2021-03-19 08:08:19 C 08 10 33.13 +26 24 33.2 V T05
2021-03-19 08:13:36 C 08 10 33.31 +26 24 30.3 V T05
2021-03-19 08:21:32 C 08 10 33.63 +26 24 27.4 V T05
2021-03-19 08:44:28 C 08 10 34.59 +26 24 15.8 V T05
2021-03-20 07:47:43 C 08 11 33.15 +26 13 36.6 V T08
2021-03-20 07:52:22 C 08 11 33.38 +26 13 34.4 V T08
2021-03-20 08:03:15 C 08 11 33.81 +26 13 29.5 V T08
2021-03-20 08:28:48 C 08 11 34.75 +26 13 17.6 V T08
2021-04-02 04:08:39 C 08 25 47.73 +23 58 39.7 V G96
2021-04-02 04:16:10 C 08 25 48.07 +23 58 36.4 V G96
2021-04-02 04:23:41 C 08 25 48.44 +23 58 33.2 V G96
2021-04-02 04:31:12 C 08 25 48.80 +23 58 30.1 V G96
2021-04-02 05:09:49 C 08 25 50.67 +23 58 13.9 U I41
2021-04-02 06:55:47 C 08 25 55.76 +23 57 28.7 U I41
2021-04-03 04:17:45 C 08 26 59.41 +23 48 36.7 V 703
2021-04-03 04:25:16 C 08 26 59.73 +23 48 31.6 V 703
2021-04-03 04:32:48 C 08 27 00.23 +23 48 28.6 V 703
2021-04-03 04:40:20 C 08 27 00.59 +23 48 24.7 V 703
2021-04-04 04:46:43 C 08 28 12.61 +23 38 24.8 U I41
2021-04-04 06:05:12 C 08 28 16.43 +23 37 51.9 U I41
2021-04-19 05:19:32 C 08 47 09.47 +21 13 42.2 V G96
2021-04-19 05:26:27 C 08 47 09.83 +21 13 39.8 V G96
2021-04-19 05:33:21 C 08 47 10.19 +21 13 36.5 V G96
2021-04-19 05:40:15 C 08 47 10.54 +21 13 34.3 V G96
2021-05-06 03:42:16 C 09 09 57.15 +18 36 31.0 V G96
2021-05-06 03:49:50 C 09 09 57.55 +18 36 28.4 V G96
2021-05-06 03:57:26 C 09 09 58.01 +18 36 25.5 V G96
2021-05-06 04:05:01 C 09 09 58.46 +18 36 22.5 V G96
2021-06-09 03:43:29 C 09 57 25.02 +13 21 25.1 V G96
2021-06-09 03:49:30 C 09 57 25.30 +13 21 23.1 V G96
2021-06-09 03:55:32 C 09 57 25.74 +13 21 20.6 V G96
2021-06-09 04:01:34 C 09 57 26.05 +13 21 17.7 V G96
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)