2009 DD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4927184637 ± 2.00e+00
Semi-major axis (a)2.0301185754 AU ± 3.00e+00
Inclination (i)5.74718107° ± 4.00e+00
Long. of Asc. Node (Ω)149.09906729° ± 5.00e+00
Arg. of Perihelion (ω)2.07191809° ± 6.00e+00
Mean Anomaly (M)285.03772446° ± 3.02e-01
Mean Motion (n)0.3407393200°/day ± 7.55e-01
Perihelion dist (q)1.02984140 AU ± 4.34e+00
Aphelion dist (Q)3.03039400 AU ± 6.04e+00
Orbital Period2.89255630 yr ± 6.41e+00
Physical Parameters
H (abs. magnitude)25.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.689″
Uncertainty3
Orbit TypeAmor
MOID0.041223 AU
Observations Used60
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-03-19
Observations (62)
Date Type RA Dec Mag Band Observatory
2009-02-16 08:19:22 C 10 23 54.85 +05 49 22.6 r 703
2009-02-16 08:29:04 C 10 24 04.68 +05 49 50.0 r 703
2009-02-16 08:38:35 C 10 24 13.96 +05 50 18.8 r 703
2009-02-16 08:48:09 C 10 24 23.54 +05 50 45.5 r 703
2009-02-16 09:27:12 C 10 25 02.71 +05 52 38.5 r 703
2009-02-16 09:28:10 C 10 25 03.75 +05 52 41.0 r 703
2009-02-16 09:29:08 C 10 25 04.76 +05 52 43.4 r 703
2009-02-16 22:08:43 C 10 38 48.57 +06 28 30.7 r 493
2009-02-16 22:09:40 C 10 38 49.66 +06 28 33.5 r 493
2009-02-16 22:10:35 C 10 38 50.53 +06 28 36.2 r 493
2009-02-16 23:07:16 C 10 39 45.45 +06 30 51.0 c 587
2009-02-16 23:09:22 C 10 39 47.70 +06 30 55.2 c 587
2009-02-16 23:11:13 C 10 39 49.35 +06 31 00.6 c 587
2009-02-16 23:13:09 C 10 39 51.46 +06 31 05.5 r 143
2009-02-16 23:23:19 C 10 40 01.85 +06 31 33.7 r 143
2009-02-16 23:37:21 C 10 40 16.18 +06 32 15.2 c 587
2009-02-16 23:39:38 C 10 40 18.50 +06 32 22.5 c 587
2009-02-16 23:41:28 C 10 40 20.24 +06 32 29.1 c 587
2009-02-17 00:09:59 C 10 40 48.59 +06 33 45.5 r 473
2009-02-17 00:11:27 C 10 40 52.82 +06 33 31.6 r J95
2009-02-17 00:14:24 C 10 40 55.90 +06 33 39.6 r J95
2009-02-17 00:15:16 C 10 40 54.88 +06 34 01.1 v 204
2009-02-17 00:20:45 C 10 41 00.48 +06 34 16.6 v 204
2009-02-17 00:26:18 C 10 41 06.12 +06 34 31.9 v 204
2009-02-17 00:31:45 C 10 41 11.68 +06 34 47.4 v 204
2009-02-17 05:41:04 C 10 46 52.44 +06 49 50.7 c 854
2009-02-17 05:45:17 C 10 46 56.76 +06 50 02.9 c 854
2009-02-17 05:49:30 C 10 47 01.04 +06 50 13.9 c 854
2009-02-17 07:00:52 C 10 48 08.02 +06 53 08.2 o H55
2009-02-17 07:05:26 C 10 48 12.64 +06 53 20.7 o H55
2009-02-17 07:11:02 C 10 48 18.33 +06 53 36.0 o H55
2009-02-20 08:25:36 C 12 03 15.50 +09 41 30.2 18.9 c 704
2009-02-20 08:28:32 C 12 03 13.93 +09 41 14.1 o H55
2009-02-20 08:32:36 C 12 03 17.55 +09 41 21.3 o H55
2009-02-20 08:36:39 C 12 03 21.16 +09 41 28.4 o H55
2009-02-20 08:43:12 C 12 03 31.12 +09 42 01.9 19.5 c 704
2009-02-20 09:00:24 C 12 03 46.25 +09 42 31.7 19.1 c 704
2009-02-20 09:18:43 C 12 04 02.42 +09 43 03.3 19.4 c 704
2009-02-20 09:35:59 C 12 04 17.67 +09 43 33.5 19.6 c 704
2009-02-23 10:07:38 C 13 03 40.07 +11 14 09.2 o H55
2009-02-23 10:12:58 C 13 03 43.57 +11 14 13.5 o H55
2009-02-23 10:18:11 C 13 03 46.98 +11 14 17.6 o H55
2009-02-23 10:22:19 C 13 03 49.69 +11 14 20.5 o H55
2009-02-24 07:37:43 C 13 18 07.28 +11 30 06.6 o 291
2009-02-24 07:43:19 C 13 18 10.63 +11 30 11.2 o 291
2009-02-27 10:33:46 C 13 57 22.46 +12 00 21.0 r 703
2009-02-27 10:45:02 C 13 57 26.82 +12 00 24.0 r 703
2009-02-27 10:56:25 C 13 57 31.24 +12 00 25.7 r 703
2009-02-27 11:09:27 C 13 57 36.34 +12 00 29.8 r 703
2009-02-27 11:10:20 C 13 57 36.85 +12 00 26.8 r 703