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
2024-03-03 08:36:30 C 10 52 53.159 +54 47 27.92 V G96
2024-03-03 08:42:35 C 10 52 52.709 +54 47 24.86 V G96
2024-03-03 08:48:39 C 10 52 52.021 +54 47 22.02 V G96
2024-03-03 08:54:43 C 10 52 51.553 +54 47 17.81 V G96
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)