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
2009-08-13 04:25:58 C 22 13 41.64 -08 13 29.8 r H53
2009-08-13 04:28:58 C 22 13 42.00 -08 13 32.8 r H53
2009-08-13 04:31:59 C 22 13 42.51 -08 13 35.4 r H53
2009-08-13 08:35:10 C 22 14 10.80 -08 17 25.5 r H45
2009-08-13 08:36:53 C 22 14 11.01 -08 17 27.0 r H45
2009-08-13 08:38:07 C 22 14 11.15 -08 17 28.1 r H45
2009-08-13 08:39:31 C 22 14 11.29 -08 17 29.5 r H45
2009-08-13 08:41:01 C 22 14 11.48 -08 17 31.0 r H45
2009-08-13 08:42:16 C 22 14 11.63 -08 17 32.1 r H45
2009-08-13 21:50:04 C 22 15 54.71 -08 30 17.9 r A81
2009-08-13 22:00:53 C 22 15 56.01 -08 30 28.4 r A81
2009-08-13 22:50:45 C 22 16 02.05 -08 31 18.5 w 160
2009-08-13 22:52:27 C 22 16 02.26 -08 31 20.1 w 160
2009-08-13 22:54:11 C 22 16 02.47 -08 31 21.9 w 160
2009-08-14 06:54:48 C 22 17 04.41 -08 39 12.6 v H47
2009-08-14 07:00:17 C 22 17 05.06 -08 39 17.8 v H47
2009-08-14 07:05:41 C 22 17 05.73 -08 39 23.1 v H47
2009-08-15 00:57:23 C 22 19 28.23 -08 57 38.9 w B19
2009-08-15 01:01:17 C 22 19 28.70 -08 57 42.9 w B19
2009-08-15 01:01:57 C 22 19 28.65 -08 57 47.3 o 510
2009-08-15 01:05:07 C 22 19 29.21 -08 57 46.8 w B19
2009-08-15 01:12:12 C 22 19 29.92 -08 57 57.8 o 510
2009-08-15 01:22:06 C 22 19 31.20 -08 58 08.0 o 510
2009-08-15 04:10:25 C 22 19 55.93 -09 00 58.4 o H26
2009-08-15 04:11:14 C 22 19 56.02 -09 00 59.3 o H26
2009-08-15 04:12:02 C 22 19 56.12 -09 01 00.1 o H26
2009-08-15 04:12:50 C 22 19 56.22 -09 01 01.1 o H26
2009-08-15 04:13:37 C 22 19 56.34 -09 01 01.8 o H26
2009-08-15 04:14:26 C 22 19 56.44 -09 01 02.7 o H26
2009-08-15 04:15:15 C 22 19 56.54 -09 01 03.5 o H26
2009-08-15 04:16:02 C 22 19 56.64 -09 01 04.4 o H26
2009-08-15 04:16:52 C 22 19 56.75 -09 01 05.1 o H26
2009-08-15 04:17:40 C 22 19 56.85 -09 01 06.0 o H26
2009-08-15 21:03:53 C 22 22 15.28 -09 18 52.4 r A78
2009-08-15 21:08:00 C 22 22 15.82 -09 18 57.0 r A78
2009-08-15 21:14:15 C 22 22 16.65 -09 19 03.8 r A78
2009-08-15 21:17:53 C 22 22 17.13 -09 19 07.9 r A78
2009-08-15 23:59:12 C 22 22 39.46 -09 21 53.5 r J51
2009-08-16 00:05:26 C 22 22 40.27 -09 22 00.3 r J51
2009-08-16 00:11:40 C 22 22 41.07 -09 22 07.2 r J51
2009-08-16 05:27:08 C 22 23 25.72 -09 27 52.6 16.3 c 704
2009-08-16 05:44:40 C 22 23 28.01 -09 28 12.1 16.5 c 704
2009-08-16 06:02:18 C 22 23 30.20 -09 28 30.7 17.1 c 704
2009-08-16 06:04:47 C 22 23 29.84 -09 28 38.5 o H55
2009-08-16 06:07:11 C 22 23 30.16 -09 28 41.2 o H55
2009-08-16 06:09:34 C 22 23 30.47 -09 28 43.7 o H55
2009-08-16 06:13:08 C 22 23 30.94 -09 28 47.6 o H55
2009-08-16 06:19:48 C 22 23 32.62 -09 28 51.3 16.8 c 704
2009-08-16 17:33:08 C 22 25 06.19 -09 41 17.1 r 379
2009-08-16 17:35:49 C 22 25 06.53 -09 41 19.6 r 379