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
2003-11-21 02:45:39 C 20 55 09.60 -10 33 56.9 d 291
2003-11-21 02:52:16 C 20 55 10.25 -10 33 57.9 d 291
2003-11-21 02:58:04 C 20 55 10.85 -10 33 59.1 d 291
2008-05-30 09:22:35 C 20 45 19.54 +02 03 40.8 r G96
2008-05-30 09:30:31 C 20 45 19.58 +02 03 43.6 r G96
2008-05-30 09:38:26 C 20 45 19.65 +02 03 46.2 r G96
2008-05-30 09:46:17 C 20 45 19.72 +02 03 49.1 r G96
2009-02-19 02:45:13 C 02 36 40.06 -01 13 37.7 r 703
2009-02-19 02:52:09 C 02 36 41.36 -01 13 34.0 r 703
2009-02-19 02:59:10 C 02 36 42.94 -01 13 29.1 r 703
2009-02-19 03:05:55 C 02 36 44.06 -01 13 23.1 r 703
2009-02-19 03:50:23 C 02 36 52.67 -01 12 52.1 c 854
2009-02-19 04:00:02 C 02 36 54.43 -01 12 45.7 c 854
2009-02-19 04:06:47 C 02 36 55.64 -01 12 41.6 v H01
2009-02-19 04:09:44 C 02 36 56.32 -01 12 38.2 c 854
2009-02-19 04:10:16 C 02 36 56.30 -01 12 39.2 v H01
2009-02-19 04:13:55 C 02 36 57.00 -01 12 36.7 v H01
2009-02-19 04:18:54 C 02 36 57.93 -01 12 33.4 v H01
2009-02-19 19:01:56 C 02 39 47.54 -01 02 22.9 r 493
2009-02-19 19:03:26 C 02 39 47.82 -01 02 21.9 r 493
2009-02-19 19:04:58 C 02 39 48.11 -01 02 20.8 r 493
2009-02-20 00:31:47 C 02 40 50.80 -00 58 34.8 r H55
2009-02-20 00:37:25 C 02 40 51.87 -00 58 31.0 r H55
2009-02-20 00:42:29 C 02 40 52.84 -00 58 27.5 r H55
2009-02-20 01:15:51 C 02 40 59.26 -00 58 04.3 r 734
2009-02-20 01:19:11 C 02 40 59.87 -00 58 02.0 r 734
2009-02-20 01:22:28 C 02 41 00.50 -00 57 59.5 r 734
2009-02-20 01:25:45 C 02 41 01.13 -00 57 57.2 r 734
2009-02-20 02:31:58 C 02 41 13.70 -00 57 11.4 19.4 c 704
2009-02-20 02:48:38 C 02 41 16.91 -00 56 58.0 19.7 c 704
2009-02-20 03:05:20 C 02 41 20.04 -00 56 47.3 19.9 c 704
2009-02-20 03:38:56 C 02 41 26.47 -00 56 22.8 19.3 c 704
2009-02-21 19:56:58 C 02 49 09.70 -00 28 33.5 v 204
2009-02-21 20:06:03 C 02 49 11.42 -00 28 27.3 v 204
2009-02-22 01:48:36 C 02 50 17.07 -00 24 29.3 v H01
2009-02-22 01:54:27 C 02 50 18.16 -00 24 25.0 v H01
2009-02-22 02:04:09 C 02 50 20.00 -00 24 18.1 v H01
2009-02-22 02:18:15 C 02 50 22.66 -00 24 08.2 v H01
2009-02-23 00:50:16 C 02 54 41.14 -00 08 35.8 o H55
2009-02-23 00:54:26 C 02 54 41.94 -00 08 33.0 o H55
2009-02-23 00:57:42 C 02 54 42.53 -00 08 30.7 o H55
2009-02-23 01:00:58 C 02 54 43.17 -00 08 28.7 o H55
2009-02-26 02:22:46 C 03 08 41.63 +00 41 53.2 o 291
2009-02-26 02:28:20 C 03 08 42.67 +00 41 57.0 o 291
2009-02-26 02:34:44 C 03 08 43.88 +00 42 01.2 o 291
2009-03-03 01:35:44 C 03 31 11.66 +02 01 58.7 o H55
2009-03-03 01:41:56 C 03 31 12.80 +02 02 03.1 o H55
2009-03-03 01:47:50 C 03 31 13.92 +02 02 06.8 o H55
2009-03-18 02:57:52 C 04 36 51.70 +05 39 08.5 r 448
2009-03-18 03:21:47 C 04 36 55.90 +05 39 19.7 r 448