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
2009-08-23 05:33:27 C 22 50 29.60 -12 59 16.4 r H45
2009-08-23 05:34:44 C 22 50 29.82 -12 59 18.2 r H45
2009-08-23 05:36:21 C 22 50 30.10 -12 59 20.6 r H45
2009-08-23 05:38:16 C 22 50 30.42 -12 59 23.2 r H45
2009-08-23 05:40:18 C 22 50 30.77 -12 59 26.1 r H45
2009-08-23 05:41:32 C 22 50 30.97 -12 59 27.9 r H45
2009-08-25 22:22:15 C 23 02 53.84 -14 33 48.3 r 585
2009-08-25 22:23:32 C 23 02 54.09 -14 33 50.8 r 585
2009-08-25 22:25:39 C 23 02 54.44 -14 33 54.3 r 585
2009-08-25 22:27:02 C 23 02 54.67 -14 33 56.6 r 585
2009-08-25 22:28:23 C 23 02 55.02 -14 33 57.6 r 585
2009-08-25 22:29:45 C 23 02 55.29 -14 34 00.0 r 585
2009-08-25 22:31:05 C 23 02 55.55 -14 34 01.5 r 585
2009-08-25 22:32:27 C 23 02 55.83 -14 34 04.0 r 585
2009-08-26 02:54:42 C 23 03 50.19 -14 39 29.1 v I21
2009-08-26 03:32:02 C 23 03 57.25 -14 40 26.1 v I21
2009-08-26 04:22:48 C 23 04 07.96 -14 42 42.4 r H53
2009-08-26 04:24:48 C 23 04 08.34 -14 42 46.1 r H53
2009-08-26 04:28:13 C 23 04 09.00 -14 42 50.5 r H53
2009-08-26 04:31:28 C 23 04 09.62 -14 42 56.2 r H53
2009-08-26 04:34:31 C 23 04 10.19 -14 43 00.6 r H53
2009-08-26 04:37:31 C 23 04 10.77 -14 43 05.4 r H53
2009-08-26 08:01:58 C 23 04 50.73 -14 48 11.7 r 703
2009-08-26 08:10:37 C 23 04 52.39 -14 48 24.9 r 703
2009-08-26 08:19:17 C 23 04 54.01 -14 48 38.2 r 703
2009-08-26 08:27:59 C 23 04 55.66 -14 48 51.0 r 703
2009-08-27 03:54:52 C 23 08 58.59 -15 18 26.8 r H53
2009-08-27 03:57:54 C 23 08 59.26 -15 18 32.2 r H53
2009-08-27 04:00:53 C 23 08 59.85 -15 18 36.7 r H53
2009-08-27 04:03:53 C 23 09 00.43 -15 18 41.6 r H53
2009-08-27 04:06:54 C 23 09 01.01 -15 18 45.9 r H53
2009-08-27 04:09:53 C 23 09 01.66 -15 18 51.1 r H53
2009-08-28 00:27:57 C 23 13 19.01 -15 50 02.6 r J51
2009-08-28 00:45:22 C 23 13 22.49 -15 50 29.9 r J51
2009-08-28 00:55:02 C 23 13 24.43 -15 50 45.1 r J51
2009-08-29 23:41:27 C 23 23 45.77 -17 04 00.0 w J35
2009-08-29 23:43:50 C 23 23 46.28 -17 04 03.9 w J35
2009-08-29 23:46:14 C 23 23 46.82 -17 04 07.8 w J35
2009-08-30 01:20:21 C 23 24 10.06 -17 05 26.8 r I21
2009-08-30 02:12:18 C 23 24 21.45 -17 06 50.5 r I21
2009-08-30 04:02:49 C 23 24 46.45 -17 10 49.4 r H53
2009-08-30 04:04:49 C 23 24 46.86 -17 10 52.7 r H53
2009-08-30 04:06:49 C 23 24 47.29 -17 10 56.0 r H53
2009-08-30 04:08:49 C 23 24 47.74 -17 10 59.8 r H53
2009-08-30 04:10:50 C 23 24 48.15 -17 11 02.6 r H53
2009-08-30 04:12:50 C 23 24 48.60 -17 11 05.7 r H53
2009-08-31 06:04:28 C 23 30 47.93 -17 51 56.2 r H45
2009-08-31 06:07:04 C 23 30 48.51 -17 52 00.0 r H45
2009-08-31 06:08:27 C 23 30 48.81 -17 52 02.2 r H45
2009-08-31 06:09:52 C 23 30 49.11 -17 52 04.5 r H45