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
2009-07-11 08:12:51 C 21 11 18.45 -03 46 23.7 o 691
2009-07-11 08:38:12 C 21 11 19.73 -03 46 21.6 o 691
2009-07-11 08:59:54 C 21 11 20.82 -03 46 19.7 o 691
2009-07-12 09:46:50 C 21 12 43.36 -03 44 29.4 o 291
2009-07-12 09:52:18 C 21 12 43.64 -03 44 29.1 o 291
2009-07-12 09:57:49 C 21 12 43.92 -03 44 28.7 o 291
2009-07-12 22:00:52 C 21 13 25.51 -03 43 47.1 r A81
2009-07-12 22:11:44 C 21 13 26.08 -03 43 46.1 r A81
2009-07-12 22:22:33 C 21 13 26.65 -03 43 45.7 r A81
2009-07-12 22:25:04 C 21 13 26.75 -03 43 46.2 c 595
2009-07-12 22:33:22 C 21 13 27.22 -03 43 45.5 r A81
2009-07-12 22:40:16 C 21 13 27.58 -03 43 45.2 c 595
2009-07-12 22:51:51 C 21 13 28.16 -03 43 45.0 c 595
2009-07-13 00:22:04 C 21 13 32.92 -03 43 40.3 v 204
2009-07-13 00:26:37 C 21 13 33.17 -03 43 39.4 v 204
2009-07-13 01:18:38 C 21 13 35.85 -03 43 37.0 v 204
2009-07-13 01:23:07 C 21 13 36.10 -03 43 36.8 v 204
2009-07-13 01:57:16 C 21 13 37.60 -03 43 33.4 c A79
2009-07-13 02:02:57 C 21 13 37.85 -03 43 32.5 c A79
2009-07-13 08:38:19 C 21 14 00.87 -03 43 09.9 o 291
2009-07-13 08:43:50 C 21 14 01.16 -03 43 09.7 o 291
2009-07-13 08:49:12 C 21 14 01.43 -03 43 09.4 o 291
2009-07-13 22:15:25 C 21 14 47.79 -03 42 36.4 w 160
2009-07-13 22:20:59 C 21 14 48.08 -03 42 36.2 w 160
2009-07-13 22:27:00 C 21 14 48.40 -03 42 36.2 w 160
2009-07-13 22:31:41 C 21 14 48.63 -03 42 35.7 w 160
2009-07-14 04:53:30 C 21 15 10.50 -03 42 20.0 o H55
2009-07-14 05:00:44 C 21 15 10.88 -03 42 19.8 o H55
2009-07-14 05:08:57 C 21 15 11.33 -03 42 19.6 o H55
2009-07-14 08:45:13 C 21 15 23.04 -03 42 10.9 o 291
2009-07-14 08:55:56 C 21 15 23.64 -03 42 10.7 o 291
2009-07-14 22:49:45 C 21 16 11.99 -03 41 51.4 w 160
2009-07-14 22:55:24 C 21 16 12.29 -03 41 51.5 w 160
2009-07-14 23:00:44 C 21 16 12.57 -03 41 51.0 w 160
2009-07-14 23:43:39 C 21 16 15.17 -03 41 48.8 r J75
2009-07-15 00:01:23 C 21 16 16.09 -03 41 48.4 r J75
2009-07-15 00:19:11 C 21 16 17.05 -03 41 47.7 r J75
2009-07-15 16:31:36 C 21 17 12.75 -03 41 33.2 m 355
2009-07-15 16:36:13 C 21 17 12.98 -03 41 33.2 m 355
2009-07-15 16:39:17 C 21 17 13.15 -03 41 33.2 m 355
2009-07-15 16:42:21 C 21 17 13.26 -03 41 33.6 m 355
2009-07-16 02:32:02 C 21 17 47.88 -03 41 29.1 r J51
2009-07-16 02:39:39 C 21 17 48.28 -03 41 29.2 r J51
2009-07-16 02:47:16 C 21 17 48.71 -03 41 29.3 r J51
2009-07-16 04:38:07 C 21 17 55.92 -03 41 33.9 r H26
2009-07-16 04:40:24 C 21 17 56.06 -03 41 34.2 r H26
2009-07-16 04:42:43 C 21 17 56.23 -03 41 34.1 r H26
2009-07-16 04:45:02 C 21 17 56.32 -03 41 34.0 r H26
2009-07-16 04:47:21 C 21 17 56.44 -03 41 34.1 r H26
2009-07-16 04:49:40 C 21 17 56.63 -03 41 33.8 r H26