515010 (2009 SK2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4718040115 ± 4.49e-08
Semi-major axis (a)1.7191975356 AU ± 8.66e-09
Inclination (i)38.22453743° ± 1.37e-05
Long. of Asc. Node (Ω)23.91404063° ± 6.46e-06
Arg. of Perihelion (ω)257.10848384° ± 1.20e-05
Mean Anomaly (M)110.76464262° ± 1.28e-05
Mean Motion (n)0.4372437459°/day ± 3.30e-09
Perihelion dist (q)0.90807324 AU ± 7.73e-08
Aphelion dist (Q)2.53032183 AU ± 7.82e-08
Orbital Period2.25418040 yr ± 1.70e-08
Physical Parameters
H (abs. magnitude)18.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.259″
Uncertainty0
Orbit TypeApollo
MOID0.166864 AU
Observations Used100
Oppositions6
Arc Total2009-2020
First Observation Used2009-09-18
Last Observation Used2020-03-07
Observations (112)
Date Type RA Dec Mag Band Observatory
2018-10-21 08:08:45 C 02 12 42.21 +32 05 04.6 V G96
2018-10-21 08:16:21 C 02 12 40.96 +32 05 10.1 V G96
2018-10-21 08:28:49 C 02 12 38.92 +32 05 18.5 V G96
2018-10-29 07:38:58 C 01 42 50.49 +33 48 06.1 V G96
2018-10-29 07:46:20 C 01 42 49.39 +33 48 09.3 V G96
2018-10-29 07:53:43 C 01 42 48.29 +33 48 12.5 V G96
2018-10-29 08:01:05 C 01 42 47.19 +33 48 14.7 V G96
2020-02-29 07:05:23 C 12 11 34.84 +61 50 52.1 u H21
2020-02-29 07:14:20 C 12 11 33.57 +61 50 55.4 u H21
2020-03-07 06:14:07 C 11 46 44.51 +62 22 27.8 u H21
2020-03-07 06:35:28 C 11 46 41.10 +62 22 28.2 u H21
2020-03-07 06:45:07 C 11 46 39.55 +62 22 28.9 u H21