2009 HD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5637654423 ± 2.26e-08
Semi-major axis (a)2.4025308476 AU ± 8.38e-09
Inclination (i)12.51623824° ± 1.08e-05
Long. of Asc. Node (Ω)34.64421425° ± 5.46e-06
Arg. of Perihelion (ω)173.13788766° ± 2.81e-05
Mean Anomaly (M)154.99245026° ± 7.21e-06
Mean Motion (n)0.2646724986°/day ± 1.38e-09
Perihelion dist (q)1.04806698 AU ± 5.43e-08
Aphelion dist (Q)3.75699471 AU ± 5.58e-08
Orbital Period3.72394672 yr ± 1.95e-08
Physical Parameters
H (abs. magnitude)22.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.422″
Uncertainty0
Orbit TypeAmor
MOID0.044153 AU
Observations Used114
Oppositions11
Arc Total2009-2024
First Observation Used2009-04-17
Last Observation Used2024-04-14
Observations (123)
Date Type RA Dec Mag Band Observatory
2009-04-21 21:17:50 C 13 34 23.30 +03 39 45.7 o 639
2009-04-21 21:17:55 C 13 34 23.39 +03 39 45.6 r 113
2009-04-21 21:21:15 C 13 34 23.84 +03 39 13.8 r 113
2009-04-21 21:22:40 C 13 34 23.96 +03 38 59.7 o 639
2009-04-21 21:31:59 C 13 34 25.28 +03 37 30.5 o 639
2009-04-21 21:54:59 C 13 34 28.36 +03 33 52.6 o 046
2009-04-21 21:56:18 C 13 34 28.62 +03 33 41.8 o 046
2009-04-21 21:59:16 C 13 34 29.02 +03 33 13.0 o 046
2009-04-21 22:01:10 C 13 34 29.23 +03 32 53.9 o 046
2009-04-21 23:24:19 C 13 34 40.90 +03 19 41.5 v 204
2009-04-21 23:27:20 C 13 34 41.30 +03 19 12.5 v 204
2009-04-21 23:30:21 C 13 34 41.71 +03 18 43.3 v 204
2009-04-21 23:33:22 C 13 34 42.12 +03 18 14.4 v 204
2009-04-21 23:36:23 C 13 34 42.52 +03 17 45.5 v 204
2009-04-22 23:00:26 C 13 38 26.41 -00 29 42.0 w 160
2009-04-22 23:06:41 C 13 38 27.28 -00 30 44.3 w 160
2009-04-22 23:13:15 C 13 38 28.17 -00 31 48.6 w 160
2009-04-23 06:48:09 C 13 39 40.37 -01 46 18.1 r H45
2009-04-23 06:49:14 C 13 39 40.56 -01 46 28.8 r H45
2009-04-23 06:50:09 C 13 39 40.67 -01 46 37.9 r H45
2009-04-23 06:51:02 C 13 39 40.80 -01 46 46.8 r H45
2009-04-23 06:51:52 C 13 39 40.92 -01 46 55.2 r H45
2009-04-23 06:53:02 C 13 39 41.05 -01 47 06.1 r H45
2009-04-23 06:53:58 C 13 39 41.17 -01 47 15.4 r H45
2009-04-23 06:55:23 C 13 39 41.36 -01 47 29.7 r H45
2009-04-24 21:16:13 C 13 46 03.39 -08 09 04.7 o 046
2009-04-24 21:17:59 C 13 46 03.58 -08 09 23.1 o 046
2009-04-24 21:18:57 C 13 46 03.75 -08 09 34.0 o 046
2009-04-24 21:19:54 C 13 46 04.02 -08 09 41.0 o 046
2009-04-24 21:20:50 C 13 46 03.98 -08 09 51.7 o 046
2009-04-24 21:21:46 C 13 46 04.29 -08 10 00.0 o 046
2009-04-24 21:22:50 C 13 46 04.40 -08 10 11.6 o 046
2009-04-24 21:24:44 C 13 46 04.55 -08 10 30.5 o 046
2009-04-24 22:19:55 C 13 46 13.08 -08 19 37.0 c A48
2009-04-24 22:22:10 C 13 46 13.36 -08 19 58.5 c A48
2009-04-24 22:24:25 C 13 46 13.61 -08 20 21.4 c A48
2009-04-25 00:00:57 C 13 46 27.48 -08 36 19.7 w 160
2009-04-25 00:03:26 C 13 46 27.83 -08 36 44.2 w 160
2009-04-25 00:06:16 C 13 46 28.23 -08 37 12.5 w 160
2009-04-29 15:04:34 C 14 05 45.30 -25 59 08.0 r E12
2009-04-29 15:18:43 C 14 05 47.47 -26 01 07.5 r E12
2009-04-29 15:32:52 C 14 05 49.62 -26 03 07.6 r E12
2009-04-29 15:46:59 C 14 05 51.80 -26 05 06.4 r E12
2009-05-01 11:18:28 C 14 13 52.82 -31 56 19.0 r E16
2009-05-01 11:22:32 C 14 13 53.50 -31 56 50.2 r E16
2009-05-01 11:28:16 C 14 13 54.35 -31 57 34.2 r E16
2009-05-03 12:58:45 C 14 22 58.86 -37 46 29.3 r E16
2009-05-03 13:03:20 C 14 22 59.45 -37 46 58.5 r E16
2024-03-07 11:54:12 C 13 24 12.064 +49 29 45.67 V G96
2024-03-07 11:59:38 C 13 24 12.769 +49 29 45.02 V G96