418929 (2009 DM1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6407473893 ± 4.82e-09
Semi-major axis (a)2.8936861437 AU ± 2.96e-09
Inclination (i)15.19827680° ± 1.75e-06
Long. of Asc. Node (Ω)197.57588932° ± 3.90e-06
Arg. of Perihelion (ω)219.76610053° ± 4.62e-06
Mean Anomaly (M)151.56254403° ± 1.02e-06
Mean Motion (n)0.2002327625°/day ± 3.07e-10
Perihelion dist (q)1.03956430 AU ± 1.40e-08
Aphelion dist (Q)4.74780799 AU ± 1.48e-08
Orbital Period4.92240266 yr ± 7.55e-09
Physical Parameters
H (abs. magnitude)17.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty0
Orbit TypeAmor
MOID0.107802 AU
Observations Used2427
Oppositions17
Arc Total2003-2024
First Observation Used2003-11-21
Last Observation Used2024-05-05
Observations (4088)
Date Type RA Dec Mag Band Observatory
2018-11-05 08:58:39 C 23 14 21.45 -33 26 06.5 U T08
2018-11-05 09:12:50 C 23 14 24.17 -33 26 58.1 U T08
2018-11-05 10:15:46 S 23 14 39.389 -33 30 20.66 L C51
2018-11-05 13:24:05 S 23 15 18.036 -33 41 55.75 L C51
2018-11-05 16:32:35 S 23 15 57.002 -33 53 31.27 L C51
2018-11-05 19:40:54 S 23 16 36.197 -34 05 04.63 L C51
2018-11-06 01:57:44 S 23 17 55.49 -34 28 09.8 L C51
2018-11-06 03:31:14 S 23 18 15.32 -34 33 50.5 L C51
2018-11-06 05:06:03 S 23 18 35.54 -34 39 40.1 L C51
2018-11-06 06:40:18 S 23 18 55.68 -34 45 25.6 L C51
2018-11-06 08:14:33 S 23 19 15.91 -34 51 10.8 L C51
2018-11-06 09:48:48 S 23 19 36.24 -34 56 55.6 L C51
2018-11-06 11:22:52 S 23 19 56.52 -35 02 39.2 L C51
2018-11-06 12:57:07 S 23 20 16.96 -35 08 23.5 L C51
2018-11-06 16:05:26 S 23 20 58.00 -35 19 50.2 L C51
2018-11-06 16:05:37 S 23 20 58.06 -35 19 51.5 L C51
2018-11-06 19:13:56 S 23 21 39.386 -35 31 17.00 L C51
2018-11-06 22:22:15 S 23 22 21.017 -35 42 41.26 L C51
2018-11-07 01:30:45 S 23 23 02.990 -35 54 05.54 L C51
2018-11-07 08:31:30 C 23 24 35.86 -36 20 01.8 U T05
2018-11-07 08:44:50 C 23 24 38.70 -36 20 49.0 U T05
2018-11-07 08:58:20 C 23 24 41.58 -36 21 37.0 U T05
2018-11-07 09:11:45 C 23 24 44.46 -36 22 24.5 U T05
2018-11-09 08:12:27 C 23 35 59.84 -39 09 14.4 U T08
2018-11-09 08:25:08 C 23 36 02.83 -39 09 58.0 U T08
2018-11-09 08:31:17 C 23 36 04.30 -39 10 19.2 U T08
2018-11-09 08:39:19 C 23 36 06.19 -39 10 46.5 U T08
2018-11-09 08:45:22 C 23 36 07.63 -39 11 07.5 U T08
2018-11-09 08:53:27 C 23 36 09.57 -39 11 35.2 U T08
2018-11-09 08:59:28 C 23 36 10.98 -39 11 55.3 U T08
2018-11-09 09:13:33 C 23 36 14.33 -39 12 43.5 U T08
2018-11-11 08:34:15 C 23 48 46.55 -41 53 27.9 U T05
2018-11-11 08:48:25 C 23 48 50.31 -41 54 13.6 U T05
2018-11-11 09:01:08 C 23 48 53.60 -41 54 55.0 U T05
2018-11-12 17:10:07 C 23 58 07.88 -43 38 55.1 q C97
2018-11-12 17:12:18 C 23 58 08.33 -43 38 59.5 q C97
2018-11-12 17:14:28 C 23 58 09.09 -43 39 09.0 q C97
2018-11-12 17:16:39 C 23 58 09.58 -43 39 14.8 q C97
2018-11-13 08:25:16 C 00 02 41.10 -44 26 31.6 U T08
2018-11-13 08:39:12 C 00 02 45.12 -44 27 13.9 U T08
2018-11-13 08:53:19 C 00 02 49.19 -44 27 56.4 U T08
2018-11-17 15:50:10 S 00 37 04.80 -49 15 25.6 L C51
2018-11-29 01:01:30 S 02 27 47.806 -56 05 07.08 L C51
2018-11-29 07:18:19 S 02 30 25.524 -56 08 05.78 L C51
2018-11-29 10:26:38 S 02 31 44.148 -56 09 28.55 L C51
2018-11-29 10:26:49 S 02 31 44.261 -56 09 29.23 L C51
2018-11-29 13:35:08 S 02 33 02.755 -56 10 47.96 L C51
2018-11-29 15:09:23 S 02 33 42.041 -56 11 26.20 L C51
2018-11-29 16:43:39 S 02 34 21.28 -56 12 03.2 L C51
2018-11-29 19:51:57 S 02 35 39.55 -56 13 14.0 L C51