2010 SD12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4075507129 ± 2.00e+00
Semi-major axis (a)1.8047572187 AU
Inclination (i)23.58893619° ± 4.00e+00
Long. of Asc. Node (Ω)181.10444457° ± 5.00e+00
Arg. of Perihelion (ω)195.13738428° ± 6.00e+00
Mean Anomaly (M)84.20736061°
Mean Motion (n)0.4065143500°/day
Perihelion dist (q)1.06922710 AU
Aphelion dist (Q)2.54028730 AU
Orbital Period2.42453340 yr
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.406″
Uncertainty
Orbit TypeAmor
MOID0.074303 AU
Observations Used14
Oppositions1
Arc Total2010-2010
First Observation Used
Last Observation Used2010-09-21
Observations (14)
Date Type RA Dec Mag Band Observatory
2010-09-18 04:28:31 C 21 55 04.62 +23 53 31.7 r G96
2010-09-18 04:38:18 C 21 55 06.88 +23 52 26.3 r G96
2010-09-18 04:48:18 C 21 55 09.22 +23 51 19.8 r G96
2010-09-18 04:58:18 C 21 55 11.56 +23 50 12.1 r G96
2010-09-18 05:23:41 C 21 55 15.60 +23 47 10.7 r H21
2010-09-18 05:31:46 C 21 55 17.56 +23 46 15.9 r H21
2010-09-18 05:38:41 C 21 55 19.19 +23 45 29.8 r H21
2010-09-18 05:49:10 C 21 55 23.37 +23 44 30.5 r G96
2010-09-18 05:59:59 C 21 55 25.89 +23 43 17.5 r G96
2010-09-18 06:10:58 C 21 55 28.41 +23 42 02.3 r G96
2010-09-18 06:21:55 C 21 55 30.97 +23 40 49.1 r G96
2010-09-21 01:48:52 C 22 14 30.68 +14 49 07.3 o H21
2010-09-21 02:02:28 C 22 14 34.66 +14 47 05.7 o H21
2010-09-21 02:09:12 C 22 14 36.63 +14 46 05.3 o H21