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
2009-07-23 05:56:43 C 21 28 23.22 -03 54 58.9 o H55
2009-07-23 06:02:16 C 21 28 23.56 -03 54 59.7 o H55
2009-07-23 06:07:50 C 21 28 23.89 -03 55 00.8 o H55
2009-07-24 07:03:55 C 21 30 03.28 -03 59 25.6 r H45
2009-07-24 07:05:53 C 21 30 03.39 -03 59 25.7 r H45
2009-07-24 07:08:50 C 21 30 03.57 -03 59 26.3 r H45
2009-07-24 07:11:09 C 21 30 03.72 -03 59 26.9 r H45
2009-07-24 07:13:07 C 21 30 03.83 -03 59 27.1 r H45
2009-07-24 07:14:45 C 21 30 03.93 -03 59 27.5 r H45
2009-07-25 00:46:34 C 21 31 15.95 -04 02 57.0 r J51
2009-07-25 00:53:49 C 21 31 16.39 -04 02 58.5 r J51
2009-07-25 01:06:58 C 21 31 17.21 -04 03 00.6 r J51
2009-07-26 22:37:42 C 21 34 28.74 -04 14 01.7 w 160
2009-07-26 22:40:54 C 21 34 28.95 -04 14 02.6 w 160
2009-07-26 22:43:37 C 21 34 29.12 -04 14 03.3 w 160
2009-07-26 23:06:46 C 21 34 30.91 -04 14 08.1 r B49
2009-07-26 23:10:54 C 21 34 31.18 -04 14 09.8 r B49
2009-07-26 23:15:51 C 21 34 31.46 -04 14 11.7 r B49
2009-07-27 05:25:06 C 21 34 58.05 -04 15 50.5 o H55
2009-07-27 05:28:26 C 21 34 58.27 -04 15 51.4 o H55
2009-07-27 05:35:06 C 21 34 58.71 -04 15 53.2 o H55
2009-07-27 05:38:25 C 21 34 58.93 -04 15 54.2 o H55
2009-07-27 09:07:49 C 21 35 12.81 -04 16 50.9 r H45
2009-07-27 09:09:24 C 21 35 12.91 -04 16 51.4 r H45
2009-07-27 09:11:45 C 21 35 13.06 -04 16 51.9 r H45
2009-07-27 09:13:40 C 21 35 13.18 -04 16 52.5 r H45
2009-07-27 09:15:02 C 21 35 13.28 -04 16 53.0 r H45
2009-07-27 09:16:09 C 21 35 13.36 -04 16 53.2 r H45
2009-07-27 22:29:11 C 21 36 12.29 -04 20 30.8 18.0 i 071
2009-07-27 22:34:34 C 21 36 12.83 -04 20 46.4 18.2 i 071
2009-07-27 22:38:40 C 21 36 13.16 -04 20 47.7 17.9 i 071
2009-07-27 22:43:40 C 21 36 13.51 -04 20 49.3 17.9 i 071
2009-07-28 06:15:59 C 21 36 46.94 -04 23 05.1 o H55
2009-07-28 06:19:18 C 21 36 47.17 -04 23 06.2 o H55
2009-07-28 06:25:58 C 21 36 47.62 -04 23 08.2 o H55
2009-07-28 06:29:18 C 21 36 47.84 -04 23 09.3 o H55
2009-07-28 07:38:04 C 21 36 53.13 -04 23 27.6 r 703
2009-07-28 07:45:45 C 21 36 53.64 -04 23 29.2 r 703
2009-07-28 07:53:42 C 21 36 54.25 -04 23 32.6 r 703
2009-07-28 08:01:28 C 21 36 54.72 -04 23 34.6 r 703
2009-07-28 23:43:52 C 21 38 05.50 -04 28 41.1 w 160
2009-07-28 23:46:06 C 21 38 05.66 -04 28 41.8 w 160
2009-07-28 23:48:20 C 21 38 05.81 -04 28 42.6 w 160
2009-07-30 04:56:47 C 21 40 21.19 -04 38 52.4 o H55
2009-07-30 05:01:14 C 21 40 21.51 -04 38 54.1 o H55
2009-07-30 05:06:48 C 21 40 21.91 -04 38 56.2 o H55
2009-07-30 05:12:21 C 21 40 22.31 -04 38 58.2 o H55
2009-07-30 05:32:18 C 21 40 23.73 -04 39 05.8 o H55
2009-08-01 22:56:39 C 21 45 44.53 -05 06 26.0 w 160
2009-08-01 22:58:22 C 21 45 44.67 -05 06 26.8 w 160