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
2021-07-31 21:14:52 C 19 50 02.67 -22 40 39.3 V G03
2021-08-03 08:52:56 C 19 55 09.413 -24 04 03.13 U F51
2021-08-03 09:06:17 C 19 55 10.431 -24 04 21.56 U F51
2021-08-03 09:19:40 C 19 55 11.446 -24 04 39.98 U F51
2021-08-03 09:33:01 C 19 55 12.460 -24 04 58.33 U F51
2021-08-03 10:17:09 C 19 55 15.83 -24 05 58.7 V T05
2021-08-03 10:21:47 C 19 55 16.18 -24 06 05.0 V T05
2021-08-03 10:29:50 C 19 55 16.78 -24 06 15.7 V T05
2021-08-03 10:44:42 C 19 55 17.92 -24 06 35.9 V T05
2021-08-05 10:08:22 C 19 59 30.63 -25 10 18.2 V T08
2021-08-05 10:13:00 C 19 59 31.00 -25 10 24.0 V T08
2021-08-05 10:23:38 C 19 59 31.84 -25 10 37.8 V T08
2021-08-05 11:10:12 C 19 59 35.54 -25 11 38.0 V T08
2021-08-07 10:12:29 C 20 03 53.69 -26 12 03.2 V T05
2021-08-07 10:17:07 C 20 03 54.06 -26 12 09.1 V T05
2021-08-07 10:25:41 C 20 03 54.74 -26 12 19.4 V T05
2021-08-07 11:11:55 C 20 03 58.54 -26 13 16.3 V T05
2021-08-11 10:01:19 C 20 12 57.62 -28 05 00.7 V T05
2021-08-11 10:16:35 C 20 12 58.93 -28 05 17.3 V T05
2021-08-11 11:04:50 C 20 13 03.09 -28 06 09.2 V T05
2021-08-17 08:31:09 C 20 27 06.04 -30 24 01.2 V T08
2021-08-17 08:33:48 C 20 27 06.28 -30 24 03.6 V T08
2021-08-17 08:39:47 C 20 27 06.83 -30 24 08.6 V T08
2021-08-17 08:47:05 C 20 27 07.48 -30 24 14.7 V T08
2021-08-17 11:58:43 C 20 27 24.97 -30 26 51.7 V T08
2021-08-29 08:57:55 C 20 56 36.30 -33 10 22.3 V T08
2021-08-29 09:49:30 C 20 56 41.00 -33 10 37.3 V T08
2021-08-29 09:53:29 C 20 56 41.37 -33 10 38.6 V T08
2021-08-29 09:58:07 C 20 56 41.79 -33 10 40.1 V T08
2021-08-29 10:09:24 C 20 56 42.84 -33 10 43.2 V T08
2021-08-30 07:37:52 C 20 58 55.105 -33 17 06.16 U F51
2021-08-30 07:50:19 C 20 58 56.253 -33 17 09.82 U F51
2021-08-30 08:02:59 C 20 58 57.426 -33 17 13.63 U F51
2021-08-30 08:15:25 C 20 58 58.563 -33 17 17.17 U F51
2021-09-06 09:51:19 C 21 15 53.22 -33 41 24.8 V T08
2021-09-06 09:57:17 C 21 15 53.76 -33 41 24.4 V T08
2021-09-06 10:07:14 C 21 15 54.62 -33 41 24.9 V T08
2021-09-06 10:27:58 C 21 15 56.53 -33 41 24.7 V T08
2021-09-08 08:42:39 C 21 20 27.93 -33 40 34.9 V T05
2021-09-08 08:47:16 C 21 20 28.33 -33 40 34.2 V T05
2021-09-08 08:57:09 C 21 20 29.20 -33 40 34.0 V T05
2021-09-08 09:46:34 C 21 20 33.59 -33 40 31.0 V T05
2021-10-02 06:14:40 C 22 11 49.228 -30 23 05.59 U F52
2021-10-02 06:30:13 C 22 11 50.417 -30 22 57.18 U F52
2021-10-02 06:45:48 C 22 11 51.618 -30 22 48.40 U F52
2021-10-02 07:01:18 C 22 11 52.805 -30 22 40.00 U F52
2024-04-23 05:19:15 C 16 32 16.46 -03 09 00.4 X W84
2024-04-23 06:34:26 C 16 32 17.43 -03 08 32.6 X W84
2024-04-23 06:39:51 C 16 32 17.50 -03 08 30.5 X W84
2024-05-01 13:52:10 C 16 34 15.471 -01 54 09.44 X F52