2009 SD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5679334502
Semi-major axis (a)1.7324815856 AU
Inclination (i)3.04876651°
Long. of Asc. Node (Ω)343.64132237°
Arg. of Perihelion (ω)287.71845148°
Mean Anomaly (M)53.67714036°
Mean Motion (n)0.4321940500°/day
Perihelion dist (q)0.74855730 AU
Aphelion dist (Q)2.71652470 AU
Orbital Period2.28047480 yr
Physical Parameters
H (abs. magnitude)25.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.282″
Uncertainty
Orbit TypeApollo
MOID0.000994 AU
Observations Used26
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-09-19
Observations (26)
Date Type RA Dec Mag Band Observatory
2009-09-14 12:23:21 C 23 47 05.62 +05 11 32.2 F51
2009-09-14 12:37:49 C 23 47 03.60 +05 11 22.6 F51
2009-09-16 06:49:15 C 23 43 16.78 +04 47 41.2 r G96
2009-09-16 06:59:13 C 23 43 15.78 +04 47 36.8 r G96
2009-09-16 07:09:21 C 23 43 14.77 +04 47 31.9 r G96
2009-09-16 07:19:26 C 23 43 13.80 +04 47 27.2 r G96
2009-09-16 08:07:08 C 23 43 09.08 +04 47 05.4 r G96
2009-09-16 08:14:09 C 23 43 08.36 +04 47 02.0 r G96
2009-09-16 08:21:12 C 23 43 07.68 +04 46 58.6 r G96
2009-09-16 08:28:14 C 23 43 06.96 +04 46 55.2 r G96
2009-09-17 04:47:11 C 23 41 47.50 +04 38 05.1 r G96
2009-09-17 04:57:48 C 23 41 46.64 +04 38 01.3 r G96
2009-09-17 05:08:07 C 23 41 45.78 +04 37 56.9 r G96
2009-09-17 05:18:28 C 23 41 44.98 +04 37 53.9 o 291
2009-09-17 05:18:36 C 23 41 44.91 +04 37 53.0 r G96
2009-09-17 05:23:47 C 23 41 44.52 +04 37 51.8 o 291
2009-09-17 05:29:10 C 23 41 44.12 +04 37 49.9 o 291
2009-09-18 09:38:20 C 23 40 02.47 +04 27 21.4 o 291
2009-09-18 09:43:37 C 23 40 02.11 +04 27 19.7 o 291
2009-09-18 09:49:14 C 23 40 01.75 +04 27 17.9 o 291
2009-09-19 05:31:53 C 23 39 09.41 +04 20 54.6 o 291
2009-09-19 05:37:27 C 23 39 09.01 +04 20 54.1 o 291
2009-09-19 05:42:47 C 23 39 08.74 +04 20 51.2 o 291
2009-09-19 05:51:46 C 23 39 08.18 +04 20 48.8 o 291
2009-09-19 05:57:40 C 23 39 07.78 +04 20 47.2 o 291
2009-09-19 06:03:08 C 23 39 07.48 +04 20 45.6 o 291