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
2015-11-06 12:41:02 C 01 46 03.55 -47 28 04.2 q Q62
2015-11-06 12:47:04 C 01 46 03.09 -47 27 45.7 q Q62
2015-11-06 12:55:58 C 01 46 02.41 -47 27 18.6 q Q62
2015-11-06 13:05:34 C 01 46 01.69 -47 26 48.7 q Q62
2015-11-07 14:10:26 C 01 44 32.86 -46 05 06.1 u Q60
2015-11-07 14:23:40 C 01 44 31.93 -46 04 21.3 u Q60
2015-11-07 14:37:18 C 01 44 30.87 -46 03 34.3 u Q60
2015-11-18 04:14:32 C 01 29 57.50 -21 02 48.2 q 703
2015-11-18 04:20:20 C 01 29 57.08 -21 01 54.3 q 703
2015-11-18 04:26:07 C 01 29 56.64 -21 01 00.5 q 703
2015-11-18 04:31:54 C 01 29 56.20 -21 00 06.9 q 703
2015-11-22 20:31:51 C 01 24 17.90 -00 31 40.6 q C23
2015-11-22 20:34:45 C 01 24 17.67 -00 31 05.3 q C23
2015-11-22 20:38:48 C 01 24 17.39 -00 30 14.8 q C23
2015-11-22 20:42:51 C 01 24 17.17 -00 29 24.6 q C23
2015-11-24 21:23:06 C 01 22 07.46 +09 45 05.5 q 160
2015-11-24 21:25:24 C 01 22 07.31 +09 45 34.3 q 160
2015-11-24 21:27:40 C 01 22 07.18 +09 46 03.6 q 160
2015-11-25 20:40:59 C 01 21 12.45 +14 41 10.6 r 006
2015-11-25 20:43:44 C 01 21 12.26 +14 41 45.5 r 006
2015-11-25 20:46:45 C 01 21 12.14 +14 42 22.5 r 006
2015-11-25 20:49:39 C 01 21 12.01 +14 42 59.9 r 006
2015-11-25 20:55:07 C 01 21 11.55 +14 44 09.0 r 006
2015-11-25 20:58:57 C 01 21 11.35 +14 44 57.4 r 006
2015-11-25 21:02:09 C 01 21 11.18 +14 45 37.9 r 006
2015-11-27 08:43:31 C 01 19 49.700 +22 08 14.41 L F51
2015-11-27 09:02:45 C 01 19 48.528 +22 12 07.75 L F51
2015-11-27 09:22:04 C 01 19 47.393 +22 15 57.65 L F51
2015-11-27 09:41:20 C 01 19 46.261 +22 19 50.90 L F51
2015-11-27 20:12:50 C 01 19 28.06 +24 25 00.1 t 595
2015-11-27 20:17:53 C 01 19 27.79 +24 25 59.7 t 595
2015-11-27 20:20:36 C 01 19 27.65 +24 26 31.5 t 595
2015-11-27 20:39:31 C 01 19 27.11 +24 30 18.4 q C77
2015-11-27 20:40:50 C 01 19 27.04 +24 30 34.0 q C77
2015-11-27 20:41:53 C 01 19 26.64 +24 30 43.7 o K51
2015-11-27 20:42:15 C 01 19 26.96 +24 30 50.8 q C77
2015-11-27 20:43:28 C 01 19 26.55 +24 31 02.3 o K51
2015-11-27 20:44:05 C 01 19 26.86 +24 31 12.3 q C77
2015-11-27 20:45:02 C 01 19 26.48 +24 31 20.8 o K51
2015-11-27 21:45:48 C 01 19 23.63 +24 43 15.5 q K30
2015-11-27 21:51:20 C 01 19 23.34 +24 44 20.3 q K30
2015-11-27 21:56:26 C 01 19 22.70 +24 45 23.7 q 160
2015-11-27 21:56:55 C 01 19 23.04 +24 45 26.2 q K30
2015-11-27 21:58:39 C 01 19 22.57 +24 45 50.1 q 160
2015-11-27 22:00:52 C 01 19 22.46 +24 46 16.3 q 160
2015-11-27 22:07:06 C 01 19 23.29 +24 47 20.6 q J95
2015-11-27 22:08:40 C 01 19 23.21 +24 47 39.1 q J95
2015-11-27 22:10:16 C 01 19 23.14 +24 47 57.7 q J95
2015-11-27 22:31:08 C 01 19 20.88 +24 52 12.0 o 108
2015-11-27 22:35:49 C 01 19 20.66 +24 53 06.6 o 108
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)