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
2021-07-11 09:28:02 C 19 16 11.65 -11 01 51.6 V T05
2021-07-11 09:33:18 C 19 16 11.87 -11 01 58.1 V T05
2021-07-11 09:40:36 C 19 16 12.19 -11 02 07.2 V T05
2021-07-14 20:54:23 C 19 20 54.42 -12 49 15.3 q L47
2021-07-14 21:37:02 C 19 20 56.64 -12 50 11.3 q L47
2021-07-16 09:19:47 C 19 23 04.47 -13 38 27.1 V T08
2021-07-16 09:22:27 C 19 23 04.65 -13 38 30.6 V T08
2021-07-16 09:27:05 C 19 23 04.85 -13 38 37.1 V T08
2021-07-17 09:14:00 C 19 24 32.75 -14 11 36.3 V T08
2021-07-17 09:18:00 C 19 24 32.96 -14 11 41.9 V T08
2021-07-17 09:22:41 C 19 24 33.21 -14 11 48.4 V T08
2021-07-17 09:30:00 C 19 24 33.59 -14 11 58.7 V T08
2021-07-18 09:36:41 C 19 26 04.68 -14 45 57.4 V T05
2021-07-18 09:39:20 C 19 26 04.82 -14 46 01.6 V T05
2021-07-18 10:13:04 C 19 26 06.62 -14 46 49.5 V T05
2021-07-18 10:23:58 C 19 26 07.20 -14 47 04.7 V T05
2021-07-19 09:30:23 C 19 27 37.24 -15 20 05.4 V T05
2021-07-19 09:33:01 C 19 27 37.38 -15 20 09.1 V T05
2021-07-19 09:37:38 C 19 27 37.64 -15 20 15.8 V T05
2021-07-19 09:45:32 C 19 27 38.08 -15 20 27.2 V T05
2021-07-19 12:51:18 C 19 27 51.883 -15 24 24.55 V P07
2021-07-19 13:46:29 C 19 27 55.008 -15 25 45.59 V P07
2021-07-19 14:03:31 C 19 27 55.970 -15 26 09.85 V P07
2021-07-19 14:44:54 C 19 27 58.298 -15 27 10.51 V P07
2021-07-20 03:51:54 C 19 28 50.43 -15 46 44.0 V V93
2021-07-20 04:30:00 C 19 28 52.59 -15 47 39.5 V V93
2021-07-20 05:08:52 C 19 28 54.87 -15 48 35.3 V V93
2021-07-20 21:13:07 C 19 30 00.01 -16 11 58.5 V G17
2021-07-20 21:23:28 C 19 30 00.66 -16 12 13.8 V G17
2021-07-20 21:33:50 C 19 30 01.27 -16 12 28.9 V G17
2021-07-21 04:17:22 C 19 30 28.70 -16 22 17.2 V V93
2021-07-21 04:57:49 C 19 30 31.11 -16 23 17.1 V V93
2021-07-26 11:08:17 C 19 39 35.94 -19 30 01.4 V T05
2021-07-26 11:19:31 C 19 39 36.66 -19 30 17.6 V T05
2021-07-26 11:24:50 C 19 39 37.01 -19 30 25.7 V T05
2021-07-26 11:44:05 C 19 39 38.29 -19 30 53.9 V T05
2021-07-26 12:23:13 C 19 39 40.85 -19 31 49.5 V T05
2021-07-26 12:29:50 C 19 39 41.35 -19 32 00.6 V T05
2021-07-27 03:29:40 C 19 40 52.92 -19 54 26.5 V V93
2021-07-27 04:23:44 C 19 40 56.77 -19 55 48.3 V V93
2021-07-27 05:02:43 C 19 40 59.44 -19 56 45.8 V V93
2021-07-30 10:12:32 C 19 47 07.48 -21 50 02.5 V T05
2021-07-30 10:17:09 C 19 47 07.79 -21 50 09.3 V T05
2021-07-30 10:27:47 C 19 47 08.58 -21 50 24.5 V T05
2021-07-30 11:14:08 C 19 47 11.86 -21 51 31.0 V T05
2021-07-31 14:29:04 C 19 49 28.80 -22 30 54.4 q D29
2021-07-31 14:48:09 C 19 49 30.19 -22 31 22.1 q D29
2021-07-31 15:07:15 C 19 49 31.60 -22 31 49.5 q D29
2021-07-31 20:34:39 C 19 49 59.61 -22 39 41.1 V G03
2021-07-31 20:54:46 C 19 50 01.13 -22 40 10.2 V G03