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
2009-04-17 05:52:58 C 13 17 50.86 +19 41 59.0 19.0 c 704
2009-04-17 06:18:43 C 13 17 53.68 +19 38 46.9 19.0 c 704
2009-04-17 06:39:16 C 13 17 56.00 +19 36 12.5 19.0 c 704
2009-04-17 06:57:09 C 13 17 58.06 +19 33 57.8 18.9 c 704
2009-04-17 07:14:43 C 13 18 00.05 +19 31 44.1 19.0 c 704
2009-04-18 05:34:27 C 13 21 10.21 +16 37 49.9 r 850
2009-04-18 05:43:19 C 13 21 13.93 +16 36 43.2 c 651
2009-04-18 05:44:25 C 13 21 14.03 +16 36 35.0 c 651
2009-04-18 05:45:30 C 13 21 14.18 +16 36 25.7 c 651
2009-04-18 05:48:01 C 13 21 11.78 +16 36 01.0 r 850
2009-04-18 05:48:30 C 13 21 14.03 +16 35 59.1 18.5 c 704
2009-04-18 06:00:20 C 13 21 15.41 +16 34 24.9 18.7 c 704
2009-04-18 06:01:33 C 13 21 13.37 +16 34 12.2 r 850
2009-04-18 06:03:57 C 13 21 15.84 +16 33 55.4 19.0 c 704
2009-04-18 06:15:03 C 13 21 14.95 +16 32 22.9 r 850
2009-04-18 06:15:58 C 13 21 17.26 +16 32 19.9 19.2 c 704
2009-04-18 06:19:32 C 13 21 17.68 +16 31 51.0 18.8 c 704
2009-04-18 06:28:35 C 13 21 16.55 +16 30 33.8 r 850
2009-04-18 06:31:23 C 13 21 19.09 +16 30 15.0 18.7 c 704
2009-04-18 06:34:56 C 13 21 19.43 +16 29 46.9 19.3 c 704
2009-04-18 06:42:06 C 13 21 18.16 +16 28 44.9 r 850
2009-04-18 06:46:47 C 13 21 20.82 +16 28 11.9 18.9 c 704
2009-04-18 06:50:28 C 13 21 21.29 +16 27 41.6 19.0 c 704
2009-04-18 07:02:51 C 13 21 22.71 +16 26 03.2 19.1 c 704
2009-04-18 19:13:02 C 13 23 12.60 +14 45 55.6 v B03
2009-04-18 19:20:40 C 13 23 13.59 +14 44 53.4 v B03
2009-04-19 05:45:29 C 13 24 43.05 +13 17 42.8 18.3 c 704
2009-04-19 06:00:40 C 13 24 44.86 +13 15 32.5 18.6 c 704
2009-04-19 06:15:52 C 13 24 46.73 +13 13 24.2 18.6 c 704
2009-04-19 06:31:06 C 13 24 48.53 +13 11 13.4 18.5 c 704
2009-04-19 06:46:16 C 13 24 50.33 +13 09 04.0 18.3 c 704
2009-04-19 23:06:05 C 13 27 17.44 +10 46 26.2 o J41
2009-04-19 23:29:56 C 13 27 20.41 +10 42 54.7 o J41
2009-04-20 05:53:22 C 13 28 18.75 +09 46 27.4 18.2 c 704
2009-04-20 06:09:57 C 13 28 20.79 +09 43 58.0 18.4 c 704
2009-04-20 06:25:33 C 13 28 22.74 +09 41 37.7 18.3 c 704
2009-04-20 06:42:51 C 13 28 24.87 +09 39 02.9 18.2 c 704
2009-04-20 06:58:40 C 13 28 26.85 +09 36 40.5 18.4 c 704
2009-04-20 07:50:52 C 13 28 33.74 +09 28 51.8 r 703
2009-04-20 08:04:25 C 13 28 35.36 +09 26 49.5 r 703
2009-04-20 08:17:52 C 13 28 37.09 +09 24 47.9 r 703
2009-04-20 08:31:22 C 13 28 38.78 +09 22 45.5 r 703
2009-04-20 19:48:06 C 13 30 27.70 +07 39 23.9 r 113
2009-04-20 19:50:46 C 13 30 28.05 +07 38 59.3 r 113
2009-04-20 19:53:26 C 13 30 28.41 +07 38 34.3 r 113
2009-04-21 20:23:52 C 13 34 15.78 +03 48 25.6 v B03
2009-04-21 20:31:28 C 13 34 16.82 +03 47 13.3 v B03
2009-04-21 20:39:11 C 13 34 17.85 +03 45 59.5 v B03
2009-04-21 21:12:40 C 13 34 22.58 +03 40 35.6 o 639
2009-04-21 21:14:35 C 13 34 22.93 +03 40 17.6 r 113