2009 DO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5729670623 ± 3.52e-04
Semi-major axis (a)2.6961234543 AU ± 2.16e-03
Inclination (i)37.77977979° ± 1.01e-02
Long. of Asc. Node (Ω)333.99269292° ± 8.59e-04
Arg. of Perihelion (ω)205.98934170° ± 5.97e-03
Mean Anomaly (M)275.63611193° ± 1.68e+00
Mean Motion (n)0.2226397032°/day ± 2.67e-04
Perihelion dist (q)1.15133352 AU ± 1.32e-03
Aphelion dist (Q)4.24091339 AU ± 3.52e-03
Orbital Period4.42700142 yr ± 5.31e-03
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty4
Orbit TypeAmor
MOID0.197982 AU
Observations Used50
Oppositions1
Arc Total2009-2009
First Observation Used2009-02-20
Last Observation Used2009-02-27
Observations (51)
Date Type RA Dec Mag Band Observatory
2009-02-20 06:59:09 C 10 36 41.97 +19 39 52.7 19.0 c 704
2009-02-20 07:16:57 C 10 36 36.47 +19 37 57.0 19.2 c 704
2009-02-20 07:35:46 C 10 36 30.64 +19 35 53.0 19.1 c 704
2009-02-20 07:54:08 C 10 36 24.91 +19 33 51.8 19.4 c 704
2009-02-20 08:12:01 C 10 36 19.37 +19 31 53.8 19.1 c 704
2009-02-21 02:18:30 C 10 30 50.23 +17 29 48.4 r 493
2009-02-21 02:19:31 C 10 30 49.90 +17 29 41.5 r 493
2009-02-21 02:20:30 C 10 30 49.60 +17 29 34.7 r 493
2009-02-21 03:38:36 C 10 30 26.57 +17 21 17.6 r I77
2009-02-21 03:41:14 C 10 30 25.77 +17 20 59.4 r I77
2009-02-21 03:43:52 C 10 30 24.96 +17 20 41.3 r I77
2009-02-21 04:46:51 C 10 30 07.90 +17 12 44.7 c 854
2009-02-21 04:51:50 C 10 30 06.24 +17 12 10.3 c 854
2009-02-21 04:56:51 C 10 30 04.72 +17 11 35.6 c 854
2009-02-21 06:29:58 C 10 29 35.22 +17 00 50.7 18.7 c 704
2009-02-21 06:47:36 C 10 29 29.60 +16 58 48.0 18.9 c 704
2009-02-21 07:05:13 C 10 29 24.05 +16 56 46.0 v H01
2009-02-21 07:05:40 C 10 29 23.89 +16 56 42.9 19.3 c 704
2009-02-21 07:10:39 C 10 29 22.32 +16 56 08.1 v H01
2009-02-21 07:18:02 C 10 29 19.99 +16 55 16.8 v H01
2009-02-21 07:23:10 C 10 29 18.35 +16 54 40.2 19.0 c 704
2009-02-21 07:23:34 C 10 29 18.24 +16 54 38.2 v H01
2009-02-21 07:41:34 C 10 29 12.51 +16 52 31.7 19.0 c 704
2009-02-21 07:59:19 C 10 29 06.85 +16 50 29.5 18.6 c 704
2009-02-21 08:16:39 C 10 29 01.40 +16 48 27.8 18.8 c 704
2009-02-21 08:34:04 C 10 28 55.91 +16 46 25.8 18.9 c 704
2009-02-21 08:51:21 C 10 28 50.42 +16 44 24.8 18.8 c 704
2009-02-21 09:08:37 C 10 28 44.97 +16 42 24.1 18.8 c 704
2009-02-21 14:20:03 C 10 27 11.03 +16 05 51.4 r 900
2009-02-21 14:23:40 C 10 27 09.93 +16 05 26.4 r 900
2009-02-22 02:24:52 C 10 23 25.15 +14 39 05.4 v 204
2009-02-22 02:27:04 C 10 23 24.47 +14 38 49.5 v 204
2009-02-22 02:29:16 C 10 23 23.75 +14 38 33.5 v 204
2009-02-22 02:31:27 C 10 23 23.06 +14 38 17.4 v 204
2009-02-22 02:33:39 C 10 23 22.37 +14 38 01.6 v 204
2009-02-23 07:32:52 C 10 14 18.79 +11 01 53.3 o H55
2009-02-23 07:34:27 C 10 14 18.26 +11 01 41.1 o H55
2009-02-23 07:36:02 C 10 14 17.75 +11 01 29.1 o H55
2009-02-23 07:37:36 C 10 14 17.24 +11 01 17.4 o H55
2009-02-24 03:38:27 C 10 07 59.43 +08 26 05.1 o H55
2009-02-24 03:40:37 C 10 07 58.71 +08 25 48.1 o H55
2009-02-24 03:46:54 C 10 07 56.67 +08 24 59.0 o H55
2009-02-24 04:47:10 C 10 07 37.92 +08 17 09.2 r 703
2009-02-24 04:50:22 C 10 07 36.84 +08 16 44.4 r 703
2009-02-24 04:53:34 C 10 07 35.83 +08 16 19.7 r 703
2009-02-24 04:56:36 C 10 07 34.75 +08 15 55.4 r 703
2009-02-27 05:07:14 C 09 44 31.53 -01 26 28.5 18.7 c 704
2009-02-27 05:25:35 C 09 44 25.49 -01 28 56.0 19.2 c 704
2009-02-27 05:41:33 C 09 44 20.21 -01 31 06.9 19.0 c 704
2009-02-27 05:57:26 C 09 44 14.92 -01 33 14.6 18.9 c 704