2015 YS1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4200812606 ± 4.58e-06
Semi-major axis (a)1.8808200500 AU ± 1.64e-05
Inclination (i)18.04619981° ± 1.20e-04
Long. of Asc. Node (Ω)278.90325884° ± 7.63e-05
Arg. of Perihelion (ω)146.24621214° ± 5.14e-05
Mean Anomaly (M)318.22464099° ± 1.83e-02
Mean Motion (n)0.3821126429°/day ± 5.00e-06
Perihelion dist (q)1.09072279 AU ± 1.28e-05
Aphelion dist (Q)2.67091731 AU ± 2.48e-05
Orbital Period2.57941291 yr ± 3.38e-05
Physical Parameters
H (abs. magnitude)20.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty2
Orbit TypeAmor
MOID0.145752 AU
Observations Used108
Oppositions1
Arc Total2015-2016
First Observation Used2015-12-17
Last Observation Used2016-03-14
Observations (114)
Date Type RA Dec Mag Band Observatory
2016-01-22 03:53:10 C 09 00 28.95 -15 54 05.7 u 807
2016-01-28 05:11:42 C 08 48 29.10 -17 41 28.1 u 807
2016-01-28 05:15:04 C 08 48 28.79 -17 41 29.9 u 807
2016-01-28 05:18:38 C 08 48 28.50 -17 41 32.1 u 807
2016-01-28 05:21:52 C 08 48 28.21 -17 41 34.3 u 807
2016-01-28 05:25:24 C 08 48 27.92 -17 41 36.3 u 807
2016-01-29 03:45:06 C 08 46 45.08 -17 53 32.1 u 807
2016-01-29 03:49:27 C 08 46 44.73 -17 53 33.5 u 807
2016-01-29 03:53:35 C 08 46 44.39 -17 53 36.1 u 807
2016-01-29 03:57:33 C 08 46 44.08 -17 53 38.1 u 807
2016-01-29 04:01:56 C 08 46 43.72 -17 53 40.4 u 807
2016-03-14 02:48:53 C 08 20 14.53 -15 00 48.5 u 807
2016-03-14 03:01:48 C 08 20 14.79 -15 00 43.4 u 807
2016-03-14 03:14:18 C 08 20 15.01 -15 00 38.8 u 807