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
2009-11-17 05:40:24 C 02 52 54.87 -00 00 07.6 o 291
2009-11-17 05:45:55 C 02 52 54.60 -00 00 07.2 o 291
2009-12-11 02:12:42 C 02 35 21.13 +01 47 17.9 o H21
2009-12-11 02:33:13 C 02 35 20.78 +01 47 23.6 o H21
2009-12-11 02:51:30 C 02 35 20.50 +01 47 29.3 o H21
2012-05-20 10:31:35 C 22 26 52.97 -05 24 39.4 o 291
2012-05-20 10:35:17 C 22 26 53.53 -05 24 37.5 o 291
2012-05-20 10:39:03 C 22 26 54.10 -05 24 35.3 o 291
2012-09-17 08:17:28 C 03 06 38.80 -00 25 36.1 u 807
2012-09-17 08:23:20 C 03 06 38.76 -00 25 38.6 u 807
2012-09-17 08:29:11 C 03 06 38.71 -00 25 40.5 u 807
2012-09-17 08:35:03 C 03 06 38.65 -00 25 43.0 u 807
2012-09-17 08:40:54 C 03 06 38.59 -00 25 45.4 u 807
2012-10-19 08:42:57 C 02 39 07.23 -04 41 02.5 u 807
2012-10-19 08:48:59 C 02 39 06.90 -04 41 04.0 u 807
2012-10-19 09:06:27 C 02 39 05.90 -04 41 06.7 u 807
2012-11-04 09:29:32 c 02 18 56.392 -05 05 02.91 L F51
2012-11-04 09:46:12 c 02 18 55.566 -05 05 02.01 L F51
2015-05-13 09:24:52 C 20 56 27.40 -07 40 58.1 u 807
2015-05-13 09:32:51 C 20 56 28.56 -07 40 54.7 u 807
2015-05-13 09:40:39 C 20 56 29.70 -07 40 51.8 u 807
2015-09-07 08:24:18 C 02 07 23.10 -07 04 51.8 u H21
2015-09-07 08:33:12 C 02 07 23.04 -07 04 56.5 u H21
2015-09-07 08:42:16 C 02 07 22.99 -07 05 00.9 u H21
2015-09-08 13:07:22 C 02 07 22.627 -07 19 50.30 L F51
2015-09-08 13:27:21 C 02 07 22.494 -07 20 00.73 L F51
2015-09-08 13:47:21 C 02 07 22.361 -07 20 11.03 L F51
2015-09-08 14:07:19 C 02 07 22.224 -07 20 21.59 L F51
2015-09-13 08:56:07 C 02 06 28.74 -08 19 54.0 R G45
2015-09-13 09:04:10 C 02 06 28.62 -08 19 59.7 R G45
2015-09-13 09:12:05 C 02 06 28.49 -08 20 02.8 R G45
2015-09-13 09:19:54 C 02 06 28.34 -08 20 07.1 R G45
2015-09-13 09:40:54 C 02 06 27.93 -08 20 18.4 R G45
2015-09-13 09:54:40 C 02 06 27.72 -08 20 24.9 R G45
2015-09-15 09:25:55 C 02 05 42.26 -08 44 23.2 R G45
2015-09-15 09:29:21 C 02 05 42.14 -08 44 24.4 R G45
2015-09-15 09:30:55 C 02 05 42.10 -08 44 26.3 R G45
2015-09-15 09:38:05 C 02 05 41.93 -08 44 29.4 R G45
2015-09-15 09:38:11 C 02 05 41.96 -08 44 28.7 R G45
2015-09-15 09:43:49 C 02 05 41.82 -08 44 32.3 R G45
2015-09-15 09:48:25 C 02 05 41.71 -08 44 34.5 R G45
2015-09-15 09:54:12 C 02 05 41.60 -08 44 37.2 R G45
2015-09-15 10:02:34 C 02 05 41.38 -08 44 41.3 R G45
2015-10-02 06:43:00 C 01 52 14.25 -11 29 21.8 u H21
2015-10-02 06:51:34 C 01 52 13.83 -11 29 23.7 u H21
2015-10-02 06:59:07 C 01 52 13.47 -11 29 25.7 u H21
2015-10-24 05:50:10 C 01 28 59.83 -12 07 06.1 u 807
2015-10-24 05:54:15 C 01 28 59.65 -12 07 05.5 u 807
2015-10-24 05:58:05 C 01 28 59.46 -12 07 04.7 u 807
2015-11-01 08:24:08 C 01 22 52.571 -11 27 57.33 L F51