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
2009-11-22 04:13:38 C 03 31 21.15 -10 28 45.0 r H53
2009-11-22 04:16:39 C 03 31 21.02 -10 28 41.3 r H53
2009-11-22 04:19:40 C 03 31 21.03 -10 28 38.2 r H53
2009-11-22 04:22:41 C 03 31 21.07 -10 28 35.2 r H53
2009-11-24 00:13:46 C 03 31 25.74 -09 41 40.7 18.2 o C20
2009-11-24 00:20:07 C 03 31 25.70 -09 41 33.9 18.6 o C20
2009-11-26 07:08:36 C 03 31 36.74 -08 43 05.8 r H53
2009-11-26 07:12:39 C 03 31 36.83 -08 43 01.5 r H53
2009-11-26 07:18:20 C 03 31 36.66 -08 42 54.6 r H53
2009-11-26 07:20:43 C 03 31 36.85 -08 42 52.2 u H45
2009-11-26 07:22:50 C 03 31 36.84 -08 42 50.3 u H45
2009-11-26 07:23:52 C 03 31 36.77 -08 42 50.4 r H53
2009-11-26 07:25:45 C 03 31 36.84 -08 42 47.1 u H45
2009-11-26 07:27:52 C 03 31 36.82 -08 42 44.5 r H53
2009-11-26 07:30:10 C 03 31 36.83 -08 42 42.6 u H45
2009-11-26 07:31:54 C 03 31 36.74 -08 42 40.2 r H53
2009-11-26 07:34:09 C 03 31 36.83 -08 42 38.1 u H45
2009-11-26 07:41:22 C 03 31 36.82 -08 42 30.3 u H45
2009-11-26 07:53:44 C 03 31 36.81 -08 42 17.1 u H45
2009-11-27 00:08:59 C 03 31 40.64 -08 25 02.6 18.9 o C20
2009-11-27 00:13:13 C 03 31 40.68 -08 24 57.6 18.3 o C20
2009-12-03 23:12:02 C 03 32 47.85 -05 30 09.8 18.3 o C20
2009-12-03 23:14:09 C 03 32 47.82 -05 30 08.2 18.2 o C20
2009-12-04 23:22:00 C 03 33 01.85 -05 05 24.1 18.5 o C20
2009-12-04 23:24:07 C 03 33 01.88 -05 05 21.8 18.7 o C20
2009-12-20 04:53:29 C 03 39 18.39 +00 46 35.8 r 703
2009-12-20 05:00:05 C 03 39 18.39 +00 46 42.5 r 703
2009-12-20 05:06:41 C 03 39 18.61 +00 46 45.8 r 703
2009-12-20 05:13:17 C 03 39 18.68 +00 46 53.4 r 703
2010-01-04 03:42:38 C 03 50 44.80 +05 42 21.5 o H21
2010-01-04 03:49:29 C 03 50 45.07 +05 42 26.4 o H21
2010-01-04 03:59:00 C 03 50 45.40 +05 42 33.7 o H21
2012-04-23 07:40:26 C 16 48 58.14 -10 41 01.5 o H21
2012-04-23 08:13:45 C 16 48 57.59 -10 40 53.8 o H21
2012-04-23 08:51:33 C 16 48 56.98 -10 40 44.9 o H21
2012-05-01 09:57:59 C 16 44 52.67 -09 55 28.0 o 291
2012-05-01 10:07:14 C 16 44 52.41 -09 55 25.7 o 291
2012-05-01 10:16:28 C 16 44 52.02 -09 55 23.4 o 291
2012-05-02 08:17:39 C 16 44 15.94 -09 50 07.0 o H21
2012-05-02 08:35:27 C 16 44 15.41 -09 50 02.9 o H21
2012-05-02 08:53:25 C 16 44 14.89 -09 49 58.6 o H21
2012-06-13 04:36:04 C 15 55 24.77 -06 37 49.2 o 691
2012-06-13 05:33:18 C 15 55 21.55 -06 37 45.5 o 691
2012-06-13 06:30:33 C 15 55 18.38 -06 37 41.4 o 691
2012-06-13 08:19:10 C 15 55 12.635 -06 37 32.10 L F51
2012-06-13 08:40:22 C 15 55 11.457 -06 37 30.69 L F51
2012-06-13 09:01:35 C 15 55 10.257 -06 37 29.17 L F51
2012-06-15 04:06:28 C 15 52 52.80 -06 34 59.8 o 691
2012-06-15 04:40:38 C 15 52 50.96 -06 34 58.7 o 691
2012-06-15 05:14:50 C 15 52 49.08 -06 34 56.4 o 691