462559 (2009 DD1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0807472984 ± 1.54e-07
Semi-major axis (a)1.2417422717 AU ± 7.86e-09
Inclination (i)29.38876126° ± 1.31e-05
Long. of Asc. Node (Ω)158.27224968° ± 5.51e-06
Arg. of Perihelion (ω)105.01056954° ± 7.52e-05
Mean Anomaly (M)294.00982729° ± 6.76e-05
Mean Motion (n)0.7123034987°/day ± 6.77e-09
Perihelion dist (q)1.14147494 AU ± 1.91e-07
Aphelion dist (Q)1.34200961 AU ± 1.91e-07
Orbital Period1.38371675 yr ± 1.31e-08
Physical Parameters
H (abs. magnitude)20.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.398″
Uncertainty0
Orbit TypeAmor
MOID0.193734 AU
Observations Used133
Oppositions4
Arc Total2009-2023
First Observation Used2009-02-19
Last Observation Used2023-09-14
Observations (138)
Date Type RA Dec Mag Band Observatory
2009-02-19 07:09:22 C 10 03 09.36 -05 42 42.9 19.0 c 704
2009-02-19 07:26:21 C 10 03 08.46 -05 41 40.2 19.6 c 704
2009-02-19 07:34:14 C 10 03 08.13 -05 41 09.5 r 703
2009-02-19 07:43:02 C 10 03 07.54 -05 40 36.0 19.4 c 704
2009-02-19 07:54:45 C 10 03 06.87 -05 39 51.8 r 703
2009-02-19 08:04:56 C 10 03 06.37 -05 39 13.4 r 703
2009-02-19 08:19:12 C 10 03 05.49 -05 38 19.1 r 703
2009-02-19 08:30:02 C 10 03 04.93 -05 37 39.4 r 703
2009-02-19 08:40:55 C 10 03 04.17 -05 37 01.0 r 703
2009-02-19 08:47:20 C 10 03 03.86 -05 36 34.4 v H01
2009-02-19 08:51:38 C 10 03 03.56 -05 36 15.5 r 703
2009-02-19 08:51:38 C 10 03 03.58 -05 36 18.3 v H01
2009-02-19 08:51:52 C 10 03 03.62 -05 36 17.1 c 854
2009-02-19 08:57:24 C 10 03 03.43 -05 35 55.9 c 854
2009-02-19 08:59:33 C 10 03 03.17 -05 35 48.4 v H01
2009-02-19 09:02:55 C 10 03 03.06 -05 35 35.6 c 854
2009-02-19 09:04:49 C 10 03 02.88 -05 35 28.4 v H01
2009-02-19 09:09:48 C 10 03 02.60 -05 35 09.7 v H01
2009-02-19 20:15:30 C 10 02 31.47 -04 53 05.5 c 104
2009-02-19 20:20:00 C 10 02 31.15 -04 52 48.7 c 104
2009-02-19 20:23:16 C 10 02 30.97 -04 52 37.1 c 104
2009-02-19 20:28:27 C 10 02 30.66 -04 52 20.2 c 587
2009-02-19 20:30:18 C 10 02 30.58 -04 52 13.2 c 587
2009-02-19 20:47:06 C 10 02 29.74 -04 51 07.0 r 143
2009-02-19 20:55:33 C 10 02 29.17 -04 50 34.1 c 587
2009-02-19 20:58:45 C 10 02 28.99 -04 50 22.6 c 587
2009-02-19 21:08:40 C 10 02 28.89 -04 49 41.0 r 493
2009-02-19 21:10:12 C 10 02 28.78 -04 49 34.9 r 493
2009-02-19 21:11:45 C 10 02 28.72 -04 49 29.3 r 493
2009-02-19 21:27:39 C 10 02 27.48 -04 48 31.8 v 204
2009-02-19 21:35:19 C 10 02 27.07 -04 48 02.3 v 204
2009-02-19 21:42:55 C 10 02 26.62 -04 47 33.4 v 204
2009-02-19 22:13:16 C 10 02 24.94 -04 45 37.2 r 143
2009-02-19 22:23:49 C 10 02 24.39 -04 44 56.6 r A13
2009-02-19 22:27:07 C 10 02 24.20 -04 44 43.9 r A13
2009-02-19 22:50:27 C 10 02 22.91 -04 43 14.5 r A13
2009-02-19 22:54:32 C 10 02 22.68 -04 42 58.9 r A13
2009-02-21 06:29:23 C 10 00 47.45 -02 39 43.6 18.9 c 704
2009-02-21 06:47:00 C 10 00 46.44 -02 38 33.6 19.0 c 704
2009-02-21 07:05:05 C 10 00 45.41 -02 37 21.8 19.0 c 704
2009-02-21 07:22:35 C 10 00 44.39 -02 36 12.6 19.0 c 704
2009-02-21 07:41:00 C 10 00 43.33 -02 35 00.3 19.0 c 704
2009-02-23 07:15:23 C 09 58 17.30 +00 38 03.0 o H55
2009-02-23 07:19:39 C 09 58 17.05 +00 38 20.7 o H55
2009-02-23 07:21:34 C 09 58 16.94 +00 38 28.7 o H55
2009-02-24 03:18:02 C 09 57 17.11 +02 01 36.7 o H55
2009-02-24 03:22:26 C 09 57 16.86 +02 01 55.1 o H55
2009-02-24 03:24:11 C 09 57 16.76 +02 02 02.4 o H55
2009-02-24 04:47:58 C 09 57 12.56 +02 07 58.1 r 703
2009-02-24 04:51:09 C 09 57 12.34 +02 08 11.2 r 703