2009 SJ2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5150981361 ± 2.00e+00
Semi-major axis (a)2.5237067749 AU
Inclination (i)12.43665033° ± 4.00e+00
Long. of Asc. Node (Ω)355.09073133° ± 5.00e+00
Arg. of Perihelion (ω)355.19157543° ± 6.00e+00
Mean Anomaly (M)11.90024295°
Mean Motion (n)0.2458361100°/day
Perihelion dist (q)1.22374980 AU
Aphelion dist (Q)3.82366420 AU
Orbital Period4.00920620 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.523″
Uncertainty
Orbit TypeAmor
MOID0.216644 AU
Observations Used19
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-09-19
Observations (19)
Date Type RA Dec Mag Band Observatory
2009-09-18 07:01:25 C 23 30 41.11 -03 59 06.9 r G96
2009-09-18 07:10:43 C 23 30 40.89 -03 58 41.7 r G96
2009-09-18 07:19:44 C 23 30 40.75 -03 58 18.5 r G96
2009-09-18 07:28:39 C 23 30 40.57 -03 57 54.0 r G96
2009-09-18 09:44:39 C 23 30 38.13 -03 51 49.1 r G96
2009-09-18 09:46:50 C 23 30 38.07 -03 51 42.0 r G96
2009-09-18 09:49:02 C 23 30 38.03 -03 51 35.4 r G96
2009-09-18 09:51:14 C 23 30 38.05 -03 51 30.4 r G96
2009-09-19 05:03:06 C 23 30 28.82 -03 00 04.7 o H55
2009-09-19 05:18:27 C 23 30 28.53 -02 59 24.0 o H55
2009-09-19 05:34:23 C 23 30 28.22 -02 58 40.1 o H55
2009-09-19 08:28:56 C 23 30 25.88 -02 50 51.7 r G96
2009-09-19 08:30:27 C 23 30 25.77 -02 50 47.0 r G96
2009-09-19 08:31:50 C 23 30 25.77 -02 50 43.4 r G96
2009-09-19 08:33:20 C 23 30 25.77 -02 50 40.0 r G96
2009-09-19 08:35:20 C 23 30 25.70 -02 50 34.1 r G96
2009-09-19 08:38:00 C 23 30 25.66 -02 50 27.2 r G96
2009-09-19 08:43:16 C 23 30 25.56 -02 50 13.6 r G96
2009-09-19 08:45:43 C 23 30 25.52 -02 50 06.0 r G96