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
2018-09-18 02:31:50 C 00 22 01.18 -22 06 59.8 o Z22
2018-09-18 08:21:09 C 00 21 55.60 -22 08 04.5 V G96
2018-09-18 08:28:52 C 00 21 55.42 -22 08 06.4 V G96
2018-09-18 08:39:33 C 00 21 55.18 -22 08 08.1 V G96
2018-09-18 08:47:16 C 00 21 55.01 -22 08 09.7 V G96
2018-10-10 09:34:46 C 00 14 13.589 -21 22 27.54 U F52
2018-10-10 09:35:46 C 00 14 13.582 -21 22 27.22 U F52
2018-10-10 09:51:41 C 00 14 13.385 -21 22 22.16 U F52
2018-10-10 09:52:41 C 00 14 13.377 -21 22 21.87 U F52
2018-10-10 10:08:38 C 00 14 13.178 -21 22 16.88 U F52
2018-10-10 10:09:38 C 00 14 13.176 -21 22 16.45 U F52
2018-10-10 10:25:37 C 00 14 12.984 -21 22 11.47 U F52
2018-10-10 10:26:36 C 00 14 12.966 -21 22 10.98 U F52
2018-10-12 14:58:09 C 00 13 54.26 -21 04 41.3 q D29
2018-10-12 15:18:31 C 00 13 54.10 -21 04 34.0 q D29
2018-11-06 05:20:40 C 00 19 16.87 -16 15 47.1 V G96
2018-11-06 05:28:48 C 00 19 16.95 -16 15 42.3 V G96
2018-11-06 05:36:56 C 00 19 17.18 -16 15 37.1 V G96
2018-11-06 05:45:04 C 00 19 17.26 -16 15 32.3 V G96
2021-04-19 11:18:09 C 17 35 12.948 -07 13 56.82 U F52
2021-04-19 11:32:53 C 17 35 13.894 -07 13 52.81 U F52
2021-04-19 11:47:38 C 17 35 14.865 -07 13 48.87 U F52
2021-06-11 12:28:10 C 18 44 00.04 -03 03 31.7 V T08
2021-06-11 12:34:08 C 18 44 00.27 -03 03 34.0 V T08
2021-06-11 12:44:44 C 18 44 00.56 -03 03 35.1 V T08
2021-06-11 13:33:59 C 18 44 02.38 -03 03 42.0 V T08
2021-06-15 10:32:17 C 18 47 56.77 -03 22 54.5 V T08
2021-06-15 11:06:43 C 18 47 57.93 -03 23 04.1 V T08
2021-06-15 11:13:21 C 18 47 58.14 -03 23 05.1 V T08
2021-06-15 11:14:00 C 18 47 58.21 -03 23 05.5 V T08
2021-06-18 03:20:53 C 18 50 38.84 -03 42 55.4 V W46
2021-06-18 03:37:12 C 18 50 39.45 -03 43 00.8 V W46
2021-06-26 20:33:28 C 18 59 29.60 -05 28 46.2 q L47
2021-06-26 21:39:45 C 18 59 32.03 -05 29 27.9 q L47
2021-06-29 20:44:51 C 19 02 40.69 -06 21 19.5 q L47
2021-06-29 21:03:16 C 19 02 41.33 -06 21 34.4 q L47
2021-06-30 22:46:29 C 19 03 50.35 -06 42 22.2 V 130
2021-06-30 22:51:31 C 19 03 50.56 -06 42 26.8 V 130
2021-07-05 20:52:55 C 19 09 23.67 -08 32 02.1 q L47
2021-07-05 21:33:31 C 19 09 25.42 -08 32 45.5 q L47
2021-07-05 23:33:39 C 19 09 30.54 -08 34 54.0 V 160
2021-07-05 23:36:45 C 19 09 30.56 -08 34 54.9 V 160
2021-07-05 23:39:55 C 19 09 30.67 -08 34 56.6 V 160
2021-07-06 20:48:22 C 19 10 34.44 -08 57 09.6 q L47
2021-07-06 21:23:47 C 19 10 35.96 -08 57 44.4 q L47
2021-07-09 20:26:06 C 19 14 13.57 -10 17 26.4 q L47
2021-07-09 21:03:06 C 19 14 15.44 -10 18 10.0 q L47
2021-07-10 20:24:31 C 19 15 30.11 -10 46 03.5 q L47
2021-07-10 20:58:47 C 19 15 31.72 -10 46 48.9 q L47
2021-07-11 09:25:24 C 19 16 11.53 -11 01 48.2 V T05