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
2015-11-27 22:38:33 C 01 19 20.47 +24 53 37.5 o 108
2015-11-27 22:42:52 C 01 19 20.23 +24 54 29.0 o 108
2015-11-27 22:44:32 C 01 19 20.22 +24 54 48.5 o 108
2015-11-29 19:29:22 C 01 18 03.38 +33 14 52.3 c A24
2015-11-29 22:37:01 C 01 17 54.68 +33 47 32.0 c A24
2015-11-29 22:38:04 C 01 17 54.68 +33 47 41.4 c A24
2015-11-29 22:53:10 C 01 17 53.98 +33 50 18.6 c A24
2015-11-29 22:53:32 C 01 17 53.97 +33 50 22.3 c A24
2015-11-29 22:53:54 C 01 17 53.97 +33 50 26.3 c A24
2015-11-29 22:54:16 C 01 17 53.94 +33 50 30.2 c A24
2015-11-29 22:54:39 C 01 17 53.92 +33 50 34.0 c A24
2015-11-29 22:55:01 C 01 17 53.90 +33 50 37.7 c A24
2015-11-29 23:39:40 C 01 17 52.12 +33 58 16.7 c A24
2015-11-29 23:40:43 C 01 17 52.04 +33 58 27.7 c A24
2015-11-29 23:53:38 C 01 17 51.55 +34 00 41.1 c A24
2015-11-29 23:54:00 C 01 17 51.54 +34 00 45.1 c A24
2015-11-29 23:54:23 C 01 17 51.52 +34 00 49.2 c A24
2015-11-29 23:54:44 C 01 17 51.51 +34 00 53.6 c A24
2015-11-29 23:55:07 C 01 17 51.52 +34 00 56.5 c A24
2015-11-30 03:59:17 C 01 17 49.47 +34 43 32.8 q 703
2015-11-30 04:08:17 C 01 17 48.89 +34 45 05.1 q 703
2015-11-30 04:17:12 C 01 17 48.53 +34 46 36.6 q 703
2015-11-30 04:26:02 C 01 17 48.08 +34 48 06.8 q 703
2015-11-30 21:28:47 C 01 17 22.39 +37 37 54.5 c A24
2015-11-30 21:29:50 C 01 17 22.27 +37 38 04.8 c A24
2015-11-30 21:44:56 C 01 17 21.62 +37 40 31.8 c A24
2015-11-30 21:45:18 C 01 17 21.63 +37 40 34.7 c A24
2015-11-30 21:45:40 C 01 17 21.59 +37 40 38.2 c A24
2015-11-30 21:46:02 C 01 17 21.58 +37 40 41.8 c A24
2015-11-30 21:46:24 C 01 17 21.57 +37 40 45.4 c A24
2015-11-30 21:46:47 C 01 17 21.56 +37 40 48.9 c A24
2015-11-30 22:31:24 C 01 17 19.68 +37 47 57.5 c A24
2015-11-30 22:47:34 C 01 17 19.13 +37 50 32.8 c A24
2015-11-30 22:47:57 C 01 17 19.10 +37 50 36.5 c A24
2015-11-30 22:48:19 C 01 17 19.08 +37 50 39.8 c A24
2015-11-30 22:48:41 C 01 17 19.06 +37 50 43.1 c A24
2015-11-30 22:49:03 C 01 17 19.05 +37 50 47.2 c A24
2015-11-30 22:49:26 C 01 17 19.04 +37 50 50.7 c A24
2015-12-01 18:52:13 C 01 16 59.08 +40 58 26.3 c A24
2015-12-01 19:55:39 C 01 16 56.51 +41 07 59.4 c A24
2015-12-01 19:56:41 C 01 16 56.54 +41 08 09.8 c A24
2015-12-02 17:35:12 C 01 16 37.71 +44 15 35.4 q K73
2015-12-02 18:02:13 C 01 16 36.70 +44 19 23.7 q K73
2015-12-02 18:56:46 C 01 16 34.65 +44 26 59.6 q K73
2015-12-02 19:02:33 C 01 16 34.45 +44 27 46.8 q K73
2015-12-03 18:25:31 C 01 16 19.04 +47 33 12.0 q K73
2015-12-03 18:31:20 C 01 16 18.85 +47 33 56.9 q K73
2015-12-03 18:43:54 C 01 16 18.44 +47 35 33.2 q K73
2015-12-03 19:25:45 C 01 16 17.07 +47 40 50.5 q K73
2015-12-06 00:10:58 C 01 16 04.24 +53 41 18.2 v I76
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)