831325 (2009 NH)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4848152501 ± 8.00e-09
Semi-major axis (a)2.1771161040 AU ± 9.37e-10
Inclination (i)7.31688277° ± 1.54e-06
Long. of Asc. Node (Ω)145.52289439° ± 5.21e-06
Arg. of Perihelion (ω)216.86816105° ± 6.88e-06
Mean Anomaly (M)11.89724624° ± 2.26e-06
Mean Motion (n)0.3068243980°/day ± 1.98e-10
Perihelion dist (q)1.12161702 AU ± 1.74e-08
Aphelion dist (Q)3.23261519 AU ± 1.75e-08
Orbital Period3.21234651 yr ± 2.07e-09
Physical Parameters
H (abs. magnitude)18.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.262″
Uncertainty0
Orbit TypeAmor
MOID0.134385 AU
Observations Used627
Oppositions12
Arc Total2009-2026
First Observation Used2009-07-11
Last Observation Used2026-01-15
Observations (677)
Date Type RA Dec Mag Band Observatory
2009-07-16 04:51:59 C 21 17 56.73 -03 41 33.9 r H26
2009-07-16 04:54:17 C 21 17 56.77 -03 41 34.1 r H26
2009-07-16 04:56:35 C 21 17 56.94 -03 41 33.7 r H26
2009-07-16 04:58:54 C 21 17 57.04 -03 41 33.8 r H26
2009-07-16 05:24:11 C 21 17 58.43 -03 41 33.4 o H55
2009-07-16 05:31:56 C 21 17 58.88 -03 41 32.9 o H55
2009-07-16 05:38:36 C 21 17 59.25 -03 41 32.9 o H55
2009-07-16 05:45:16 C 21 17 59.61 -03 41 33.1 o H55
2009-07-16 07:06:56 C 21 18 04.01 -03 41 35.3 r H26
2009-07-16 07:09:15 C 21 18 04.14 -03 41 34.8 r H26
2009-07-16 07:11:34 C 21 18 04.23 -03 41 34.7 r H26
2009-07-16 07:13:52 C 21 18 04.34 -03 41 35.0 r H26
2009-07-16 07:20:47 C 21 18 04.81 -03 41 34.9 r H26
2009-07-16 07:23:07 C 21 18 04.92 -03 41 34.1 r H26
2009-07-18 08:49:24 C 21 21 00.60 -03 42 48.3 r H45
2009-07-18 08:51:10 C 21 21 00.69 -03 42 48.4 r H45
2009-07-18 08:54:26 C 21 21 00.85 -03 42 48.6 r H45
2009-07-18 09:08:15 C 21 21 01.60 -03 42 49.5 r H45
2009-07-18 09:09:54 C 21 21 01.71 -03 42 49.5 r H45
2009-07-18 09:13:35 C 21 21 01.88 -03 42 49.7 r H45
2009-07-18 09:16:17 C 21 21 02.05 -03 42 49.7 r H45
2009-07-19 00:50:36 C 21 21 59.20 -03 43 44.1 r 130
2009-07-19 00:52:03 C 21 21 59.29 -03 43 44.6 r 130
2009-07-19 00:53:29 C 21 21 59.39 -03 43 44.5 r 130
2009-07-19 00:54:57 C 21 21 59.45 -03 43 44.9 r 130
2009-07-19 23:55:39 C 21 23 24.85 -03 45 23.5 c J05
2009-07-20 00:04:01 C 21 23 25.33 -03 45 24.2 c J05
2009-07-20 00:09:31 C 21 23 25.65 -03 45 24.4 c J05
2009-07-20 04:11:23 C 21 23 41.03 -03 45 45.4 o H26
2009-07-20 04:14:45 C 21 23 41.26 -03 45 45.9 o H26
2009-07-20 04:18:08 C 21 23 41.44 -03 45 46.1 o H26
2009-07-20 04:24:55 C 21 23 41.86 -03 45 47.1 o H26
2009-07-20 04:28:18 C 21 23 42.01 -03 45 47.0 o H26
2009-07-20 04:42:13 C 21 23 42.84 -03 45 47.2 o H55
2009-07-20 04:47:46 C 21 23 43.16 -03 45 47.8 o H55
2009-07-20 04:53:19 C 21 23 43.49 -03 45 48.4 o H55
2009-07-20 04:58:53 C 21 23 43.81 -03 45 48.9 o H55
2009-07-20 05:04:26 C 21 23 44.13 -03 45 49.4 o H55
2009-07-20 22:50:59 C 21 24 50.99 -03 47 32.6 r J75
2009-07-20 22:52:32 C 21 24 50.78 -03 47 35.9 r A13
2009-07-20 23:09:48 C 21 24 52.05 -03 47 35.1 r J75
2009-07-20 23:25:53 C 21 24 52.68 -03 47 39.7 r A13
2009-07-20 23:28:35 C 21 24 53.16 -03 47 35.5 r J75
2009-07-22 06:12:42 C 21 26 50.47 -03 51 22.0 r H45
2009-07-22 06:14:41 C 21 26 50.59 -03 51 22.5 r H45
2009-07-22 06:16:38 C 21 26 50.69 -03 51 22.6 r H45
2009-07-22 06:19:28 C 21 26 50.89 -03 51 23.2 r H45
2009-07-22 06:21:09 C 21 26 50.98 -03 51 23.6 r H45
2009-07-22 06:23:05 C 21 26 51.08 -03 51 23.6 r H45
2009-07-23 05:51:09 C 21 28 22.89 -03 54 57.8 o H55