856903 (2011 YS62)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5823547588 ± 2.86e-09
Semi-major axis (a)2.5027622848 AU ± 1.97e-09
Inclination (i)21.62575492° ± 2.68e-06
Long. of Asc. Node (Ω)58.56438125° ± 1.31e-06
Arg. of Perihelion (ω)357.21791538° ± 5.63e-06
Mean Anomaly (M)187.53766187° ± 1.79e-06
Mean Motion (n)0.2489332295°/day ± 2.94e-10
Perihelion dist (q)1.04526676 AU ± 7.22e-09
Aphelion dist (Q)3.96025781 AU ± 7.82e-09
Orbital Period3.95940022 yr ± 4.68e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.272″
Uncertainty0
Orbit TypeAmor
MOID0.056542 AU
Observations Used394
Radar Obs Used5
Oppositions6
Arc Total2011-2024
First Observation Used2011-11-23
Last Observation Used2024-03-03
Observations (404)
Date Type RA Dec Mag Band Observatory
2019-12-01 09:19:26 C 09 40 54.40 +58 31 08.8 q H45
2019-12-01 09:20:36 C 09 40 54.72 +58 31 12.8 q H45
2019-12-01 09:21:55 C 09 40 55.14 +58 31 16.6 q H45
2019-12-01 09:24:03 C 09 40 55.80 +58 31 23.0 q H45
2019-12-01 09:25:46 C 09 40 56.28 +58 31 28.3 q H45
2019-12-02 08:42:47 C 09 48 09.12 +59 37 50.2 V 703
2019-12-02 08:50:33 C 09 48 11.37 +59 38 12.2 V 703
2019-12-02 08:58:18 C 09 48 13.60 +59 38 34.2 V 703
2019-12-07 10:44:30 C 10 22 21.42 +64 04 19.1 q H45
2019-12-07 10:46:00 C 10 22 21.67 +64 04 21.1 q H45
2019-12-07 10:47:45 C 10 22 22.18 +64 04 24.5 q H45
2019-12-07 10:49:15 C 10 22 22.48 +64 04 26.8 q H45
2019-12-07 10:50:49 C 10 22 22.88 +64 04 29.9 q H45
2019-12-07 10:52:15 C 10 22 23.15 +64 04 32.4 q H45
2019-12-07 15:23:31 C 10 23 31.93 +64 12 26.2 V T05
2019-12-07 15:27:52 C 10 23 32.88 +64 12 33.3 V T05
2019-12-07 15:29:52 C 10 23 33.36 +64 12 37.0 V T05
2019-12-07 15:34:28 C 10 23 34.40 +64 12 44.4 V T05
2019-12-07 15:44:44 C 10 23 36.69 +64 13 02.0 V T05
2019-12-07 15:48:16 C 10 23 37.55 +64 13 08.0 V T05
2019-12-07 15:52:25 C 10 23 38.47 +64 13 15.3 V T05
2019-12-09 14:43:54 C 10 35 01.38 +65 26 36.5 V T08
2019-12-09 14:48:01 C 10 35 02.19 +65 26 42.3 V T08
2019-12-09 14:57:11 C 10 35 04.10 +65 26 56.1 V T08
2019-12-09 15:16:12 C 10 35 08.02 +65 27 23.5 V T08
2019-12-11 00:05:14 C 10 42 31.48 +66 11 45.4 V 204
2019-12-11 00:13:30 C 10 42 33.15 +66 11 57.1 V 204
2019-12-11 00:21:46 C 10 42 34.83 +66 12 08.2 V 204
2023-10-06 21:49:14 S 06 39 07.00 -06 14 58.6 L C51
2023-10-06 23:22:23 S 06 39 26.29 -06 11 44.4 L C51
2023-10-06 23:22:33 S 06 39 26.31 -06 11 43.8 L C51
2023-10-07 02:28:52 S 06 40 04.70 -06 05 13.0 L C51
2023-10-07 05:35:09 S 06 40 43.20 -05 58 41.6 L C51
2023-10-07 13:20:21 S 06 42 19.41 -05 42 20.6 L C51
2023-10-07 14:54:15 S 06 42 38.89 -05 39 00.1 L C51
2023-10-07 14:54:25 S 06 42 38.94 -05 38 59.4 L C51
2023-10-07 16:27:34 S 06 42 58.21 -05 35 42.1 L C51
2023-10-07 18:00:44 S 06 43 17.54 -05 32 24.0 L C51
2023-10-07 21:07:01 S 06 43 56.19 -05 25 46.8 L C51
2023-10-07 22:40:10 S 06 44 15.51 -05 22 28.4 L C51
2023-10-08 01:46:39 S 06 44 54.26 -05 15 49.2 L C51
2023-10-08 03:19:48 S 06 45 13.63 -05 12 29.7 L C51
2023-10-08 04:52:14 S 06 45 32.80 -05 09 12.9 L C51
2023-10-08 06:26:07 S 06 45 52.36 -05 05 49.6 L C51
2023-10-08 07:59:16 S 06 46 11.77 -05 02 29.6 L C51
2023-10-08 12:38:10 S 06 47 09.84 -04 52 28.6 L C51
2023-10-08 14:12:02 S 06 47 29.45 -04 49 04.2 L C51
2023-10-08 15:45:12 S 06 47 48.87 -04 45 42.9 L C51
2023-10-08 17:18:21 S 06 48 08.31 -04 42 20.8 L C51
2023-10-08 17:18:32 S 06 48 08.36 -04 42 20.0 L C51
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-30 00:58:00 101338022.37 4 us 2380 -1 -1
2015-11-30 01:56:00 101484309.76 0.5 us 2380 -1 -1
2019-11-13 07:17:00 18833.8051 0.1 Hz 2380 -1 -1
2019-11-13 07:37:00 105532015.8 4 us 2380 -1 -1
2019-11-13 08:15:00 105515524.65 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)