445267 (2009 SD229)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4097889324 ± 2.67e-08
Semi-major axis (a)2.1002344981 AU ± 5.77e-09
Inclination (i)8.12393784° ± 2.15e-06
Long. of Asc. Node (Ω)124.03597946° ± 8.64e-06
Arg. of Perihelion (ω)181.25637981° ± 1.05e-05
Mean Anomaly (M)150.16080067° ± 3.06e-06
Mean Motion (n)0.3238251642°/day ± 1.34e-09
Perihelion dist (q)1.23958165 AU ± 5.63e-08
Aphelion dist (Q)2.96088735 AU ± 5.67e-08
Orbital Period3.04369886 yr ± 1.26e-08
Physical Parameters
H (abs. magnitude)19.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.249″
Uncertainty0
Orbit TypeAmor
MOID0.222435 AU
Observations Used362
Oppositions10
Arc Total2009-2024
First Observation Used2009-09-29
Last Observation Used2024-10-01
Observations (392)
Date Type RA Dec Mag Band Observatory
2009-09-29 10:25:26 C 03 47 04.74 +03 23 56.3 r G96
2009-09-29 10:35:29 C 03 47 04.56 +03 23 52.6 r G96
2009-09-29 10:45:15 C 03 47 04.38 +03 23 49.8 r G96
2009-09-29 10:55:20 C 03 47 04.20 +03 23 46.6 r G96
2009-09-29 11:46:27 C 03 47 03.29 +03 23 31.3 r G96
2009-09-29 11:48:27 C 03 47 03.24 +03 23 30.9 r G96
2009-09-29 11:50:29 C 03 47 03.22 +03 23 29.8 r G96
2009-09-29 11:52:33 C 03 47 03.18 +03 23 29.2 r G96
2009-09-29 13:20:32 C 03 47 02.05 +03 23 04.1 o F65
2009-09-29 13:22:58 C 03 47 02.01 +03 23 03.6 o F65
2009-09-29 13:25:20 C 03 47 01.97 +03 23 03.1 o F65
2009-09-29 13:27:39 C 03 47 01.92 +03 23 02.4 o F65
2009-09-29 13:29:54 C 03 47 01.87 +03 23 01.8 o F65
2009-09-30 09:51:52 C 03 46 41.54 +03 16 47.4 20.7 r H36
2009-09-30 09:52:35 C 03 46 41.59 +03 16 47.3 r G96
2009-09-30 10:01:25 C 03 46 41.44 +03 16 44.8 r G96
2009-09-30 10:07:43 C 03 46 41.19 +03 16 41.5 21.2 r H36
2009-09-30 10:09:54 C 03 46 41.30 +03 16 42.0 r G96
2009-09-30 10:18:58 C 03 46 41.08 +03 16 39.2 r G96
2009-09-30 10:20:56 C 03 46 40.90 +03 16 37.1 20.8 r H36
2009-09-30 10:56:15 C 03 46 40.36 +03 16 28.3 c 926
2009-09-30 11:04:14 C 03 46 40.18 +03 16 26.1 c 926
2009-09-30 11:12:14 C 03 46 40.02 +03 16 23.7 c 926
2009-09-30 12:57:56 C 03 46 38.36 +03 15 53.0 o F65
2009-09-30 13:00:44 C 03 46 38.30 +03 15 51.9 o F65
2009-09-30 13:03:00 C 03 46 38.26 +03 15 51.4 o F65
2009-09-30 13:05:19 C 03 46 38.19 +03 15 50.5 o F65
2009-09-30 13:07:33 C 03 46 38.14 +03 15 49.7 o F65
2009-09-30 13:44:12 C 03 46 37.39 +03 15 38.5 o F65
2009-09-30 13:46:26 C 03 46 37.36 +03 15 38.3 o F65
2009-09-30 13:48:40 C 03 46 37.29 +03 15 37.4 o F65
2009-10-09 09:58:28 C 03 40 58.74 +02 11 28.3 o 291
2009-10-09 10:11:26 C 03 40 58.24 +02 11 24.6 o 291
2009-10-09 10:25:38 C 03 40 57.71 +02 11 18.3 o 291
2009-10-10 15:06:29 C 03 39 55.68 +02 03 09.7 o 474
2009-10-10 15:08:59 C 03 39 55.58 +02 03 08.3 o 474
2009-10-10 15:11:50 C 03 39 55.60 +02 03 05.8 o 474
2009-10-10 15:14:30 C 03 39 55.34 +02 03 06.1 o 474
2009-10-16 07:54:02 C 03 34 12.74 +01 24 50.8 o 291
2009-10-16 07:59:37 C 03 34 12.48 +01 24 49.4 o 291
2009-10-16 08:07:10 C 03 34 12.09 +01 24 47.6 o 291
2009-10-27 09:44:37 C 03 20 19.37 +00 26 00.5 o 291
2009-10-27 09:50:22 C 03 20 19.00 +00 25 58.3 o 291
2009-11-12 05:38:17 C 02 58 56.41 -00 05 08.8 o H21
2009-11-12 05:51:05 C 02 58 55.71 -00 05 08.3 o H21
2009-11-12 06:05:48 C 02 58 54.87 -00 05 07.7 o H21
2009-11-16 08:54:00 C 02 53 54.33 -00 01 29.7 o 291
2009-11-16 08:59:12 C 02 53 54.07 -00 01 29.6 o 291
2009-11-16 09:04:26 C 02 53 53.77 -00 01 29.2 o 291
2009-11-17 05:34:25 C 02 52 55.16 -00 00 08.2 o 291