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
2015-11-01 08:39:30 C 01 22 52.119 -11 27 53.55 L F51
2015-11-01 08:54:25 C 01 22 51.688 -11 27 49.43 L F51
2015-12-01 07:09:33 C 01 19 53.407 -06 36 42.63 L F51
2015-12-01 07:26:45 C 01 19 53.640 -06 36 34.52 L F51
2015-12-01 07:43:58 C 01 19 53.874 -06 36 25.47 L F51
2015-12-01 08:01:11 C 01 19 54.125 -06 36 17.29 L F51
2018-06-06 09:38:29 C 20 57 18.48 -04 30 13.2 U 703
2018-06-06 09:46:21 C 20 57 19.49 -04 30 11.2 U 703
2018-06-06 09:54:12 C 20 57 20.48 -04 30 09.1 U 703
2018-06-06 10:02:03 C 20 57 21.53 -04 30 07.8 U 703
2018-06-16 13:49:03 C 21 30 36.118 -03 57 01.42 U F51
2018-06-16 14:02:13 C 21 30 37.863 -03 57 00.55 U F51
2018-06-16 14:15:25 C 21 30 39.612 -03 56 59.67 U F51
2018-06-18 09:15:02 C 21 36 38.16 -03 54 39.4 U G96
2018-06-18 09:22:31 C 21 36 39.15 -03 54 39.1 U G96
2018-06-18 09:37:25 C 21 36 41.15 -03 54 37.7 U G96
2018-06-23 13:15:16 C 21 53 56.784 -03 54 29.68 U F51
2018-06-23 13:33:30 C 21 53 59.226 -03 54 30.59 U F51
2018-06-23 13:51:42 C 21 54 01.661 -03 54 31.28 U F51
2018-06-23 14:09:55 C 21 54 04.098 -03 54 32.08 U F51
2018-07-13 12:51:58 C 22 59 33.335 -05 45 33.73 U F52
2018-07-13 13:06:42 C 22 59 35.134 -05 45 40.19 U F52
2018-07-13 13:35:29 C 22 59 38.604 -05 45 52.69 U F52
2018-08-14 13:40:28 C 00 13 01.958 -14 21 33.37 U F51
2018-08-14 14:13:26 C 00 13 03.448 -14 21 59.34 U F51
2018-08-14 14:29:56 C 00 13 04.199 -14 22 12.24 U F51
2018-08-18 13:40:48 C 00 17 34.01 -15 36 53.2 U T08
2018-08-18 13:56:38 C 00 17 34.54 -15 37 05.8 U T08
2018-08-18 14:13:56 C 00 17 35.11 -15 37 19.4 U T08
2018-08-18 14:34:41 C 00 17 35.77 -15 37 33.3 U T08
2018-09-06 11:15:17 C 00 25 15.46 -20 33 16.6 U T08
2018-09-06 11:21:14 C 00 25 15.31 -20 33 18.1 U T08
2018-09-06 11:34:11 C 00 25 15.21 -20 33 23.7 U T08
2018-09-06 11:34:51 C 00 25 15.23 -20 33 22.9 U T08
2018-09-08 11:07:19 C 00 24 58.95 -20 55 08.2 U T05
2018-09-08 11:10:37 C 00 24 58.93 -20 55 09.5 U T05
2018-09-08 11:12:35 C 00 24 58.87 -20 55 10.3 U T05
2018-09-08 11:26:02 C 00 24 58.73 -20 55 16.0 U T05
2018-09-10 06:50:31 C 00 24 36.72 -21 13 09.0 V 703
2018-09-10 07:05:39 C 00 24 36.55 -21 13 15.0 V 703
2018-09-10 07:13:13 C 00 24 36.40 -21 13 18.7 V 703
2018-09-16 07:32:07 C 00 22 43.14 -21 58 05.1 V 703
2018-09-16 07:39:44 C 00 22 42.91 -21 58 07.5 V 703
2018-09-16 07:41:11 C 00 22 42.92 -21 58 07.6 V G96
2018-09-16 07:47:21 C 00 22 42.71 -21 58 09.6 V 703
2018-09-16 07:48:39 C 00 22 42.76 -21 58 09.3 V G96
2018-09-16 07:54:58 C 00 22 42.58 -21 58 10.5 V 703
2018-09-16 07:56:09 C 00 22 42.59 -21 58 11.1 V G96
2018-09-16 08:03:39 C 00 22 42.43 -21 58 12.9 V G96
2018-09-18 01:45:08 C 00 22 02.27 -22 06 53.4 o Z22