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
2019-10-25 11:30:46 C 05 27 47.10 -37 36 24.9 V T05
2019-10-25 11:35:26 C 05 27 47.94 -37 36 13.2 V T05
2019-10-25 11:57:45 C 05 27 51.71 -37 35 17.0 V T05
2019-10-25 12:05:51 C 05 27 53.05 -37 34 57.1 V T05
2019-10-27 12:21:16 C 05 37 01.32 -35 19 31.4 V T08
2019-10-27 12:25:57 C 05 37 02.12 -35 19 16.7 V T08
2019-10-27 12:33:58 C 05 37 03.54 -35 18 52.7 V T08
2019-10-27 12:48:38 C 05 37 06.17 -35 18 08.0 V T08
2019-10-31 12:07:19 C 05 56 39.85 -29 26 05.7 V T08
2019-10-31 12:12:01 C 05 56 40.76 -29 25 44.9 V T08
2019-10-31 12:36:48 C 05 56 45.73 -29 23 57.0 V T08
2019-11-02 12:30:51 C 06 07 26.22 -25 33 15.8 V T05
2019-11-02 12:35:32 C 06 07 27.23 -25 32 51.6 V T05
2019-11-02 12:44:12 C 06 07 29.02 -25 32 06.6 V T05
2019-11-02 12:58:29 C 06 07 32.06 -25 30 51.3 V T05
2019-11-04 09:55:54 C 06 18 07.33 -21 14 11.4 V 703
2019-11-04 10:04:02 C 06 18 09.17 -21 13 21.8 V 703
2019-11-04 10:12:09 C 06 18 10.95 -21 12 31.4 V 703
2019-11-04 10:20:16 C 06 18 12.79 -21 11 41.3 V 703
2019-11-04 13:09:15 C 06 18 54.01 -20 54 00.1 V T08
2019-11-04 13:14:31 C 06 18 55.18 -20 53 27.1 V T08
2019-11-04 13:22:31 C 06 18 56.97 -20 52 37.2 V T08
2019-11-04 13:42:37 C 06 19 01.46 -20 50 31.6 V T08
2019-11-07 01:44:39 C 06 34 09.66 -13 54 43.1 V C95
2019-11-07 01:56:34 C 06 34 12.57 -13 53 12.6 V C95
2019-11-08 13:57:55 C 06 43 47.13 -09 03 40.7 V T08
2019-11-08 14:08:12 C 06 43 49.72 -09 02 13.7 V T08
2019-11-08 14:36:21 C 06 43 56.79 -08 58 15.9 V T08
2019-11-09 11:18:30 C 06 49 42.70 -05 58 53.0 V T08
2019-11-09 11:27:12 C 06 49 44.98 -05 57 35.7 V T08
2019-11-09 11:43:50 C 06 49 49.34 -05 55 07.8 V T08
2019-11-11 12:11:24 C 07 03 40.59 +01 36 54.6 V T05
2019-11-11 12:15:29 C 07 03 41.71 +01 37 34.4 V T05
2019-11-11 12:25:53 C 07 03 44.55 +01 39 15.2 V T05
2019-11-11 12:40:30 C 07 03 48.55 +01 41 37.5 V T05
2019-11-13 13:20:48 C 07 18 25.82 +09 47 03.7 V T08
2019-11-13 13:33:13 C 07 18 29.35 +09 49 09.8 V T08
2019-11-13 13:54:09 C 07 18 35.32 +09 52 42.5 V T08
2019-11-14 11:50:18 C 07 25 27.18 +13 35 26.0 V T08
2019-11-14 12:04:32 C 07 25 31.38 +13 37 51.1 V T08
2019-11-14 12:19:13 C 07 25 35.69 +13 40 20.9 V T08
2019-11-29 12:45:05 C 09 26 43.30 +56 05 26.8 V T05
2019-11-29 12:49:43 C 09 26 44.67 +56 05 43.7 V T05
2019-11-29 12:59:04 C 09 26 47.50 +56 06 18.3 V T05
2019-11-29 13:13:40 C 09 26 52.01 +56 07 12.1 V T05
2019-11-29 13:42:36 C 09 27 00.70 +56 08 56.9 V T05
2019-11-29 13:46:42 C 09 27 01.89 +56 09 12.5 V T05
2019-11-29 13:54:09 C 09 27 04.07 +56 09 39.4 V T05
2019-11-29 14:11:23 C 09 27 09.30 +56 10 41.0 V T05
2019-12-01 09:17:08 C 09 40 53.75 +58 31 02.0 q H45
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)