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
2009-08-31 06:12:08 C 23 30 49.61 -17 52 08.0 r H45
2009-08-31 06:13:19 C 23 30 49.90 -17 52 09.8 r H45
2009-09-01 06:13:24 C 23 36 33.59 -18 30 05.0 r H53
2009-09-01 06:15:25 C 23 36 34.03 -18 30 07.9 r H53
2009-09-01 06:17:23 C 23 36 34.34 -18 30 11.6 r H53
2009-09-01 06:19:23 C 23 36 34.96 -18 30 14.7 r H53
2009-09-01 06:21:24 C 23 36 35.40 -18 30 17.6 r H53
2009-09-01 06:23:43 C 23 36 35.94 -18 30 21.7 r H53
2009-09-02 04:46:04 C 23 42 05.62 -19 05 29.0 r H53
2009-09-02 04:48:05 C 23 42 06.08 -19 05 31.4 r H53
2009-09-02 04:50:05 C 23 42 06.62 -19 05 35.6 r H53
2009-09-02 04:52:05 C 23 42 07.05 -19 05 38.0 r H53
2009-09-02 04:54:04 C 23 42 07.52 -19 05 42.0 r H53
2009-09-02 04:56:04 C 23 42 08.00 -19 05 44.8 r H53
2009-09-02 05:42:51 C 23 42 19.17 -19 06 57.1 r H45
2009-09-02 05:44:45 C 23 42 19.62 -19 07 00.1 r H45
2009-09-02 05:46:01 C 23 42 19.91 -19 07 02.1 r H45
2009-09-02 05:47:49 C 23 42 20.32 -19 07 04.9 r H45
2009-09-02 05:48:32 C 23 42 20.48 -19 07 06.0 r H45
2009-09-02 05:50:04 C 23 42 20.85 -19 07 08.4 r H45
2009-09-06 04:56:05 C 00 06 48.91 -21 30 39.1 r I21
2009-09-06 05:08:25 C 00 06 51.99 -21 30 57.3 r I21
2009-09-06 05:19:51 C 00 06 54.80 -21 31 13.4 r I21
2009-09-08 23:56:38 C 00 24 54.35 -23 05 00.8 r 585
2009-09-08 23:58:11 C 00 24 54.77 -23 05 03.1 r 585
2009-09-09 00:01:41 C 00 24 55.68 -23 05 07.4 r 585
2009-09-09 00:02:55 C 00 24 55.98 -23 05 09.6 r 585
2009-09-09 00:05:13 C 00 24 56.58 -23 05 12.7 r 585
2009-09-09 00:06:22 C 00 24 56.90 -23 05 13.6 r 585
2009-09-09 00:07:31 C 00 24 57.23 -23 05 15.1 r 585
2009-09-09 00:08:42 C 00 24 57.57 -23 05 16.4 r 585
2009-09-09 00:10:46 C 00 24 58.03 -23 05 19.7 r 585
2009-09-09 00:13:43 C 00 24 58.81 -23 05 23.3 r 585
2009-09-09 00:16:30 C 00 24 59.52 -23 05 26.7 r 585
2009-09-13 02:16:40 C 00 51 57.36 -25 01 05.9 r J51
2009-09-13 02:22:33 C 00 51 58.87 -25 01 12.1 r J51
2009-09-13 02:28:26 C 00 52 00.39 -25 01 18.2 r J51
2009-09-16 14:43:30 C 01 14 46.887 -26 15 50.25 r E12
2009-09-26 19:00:59 C 02 12 20.72 -27 41 59.3 r E12
2009-09-29 18:52:42 C 02 25 58.374 -27 35 12.14 r E12
2009-09-29 18:55:37 C 02 25 58.88 -27 35 11.5 r E12
2009-09-30 09:49:52 C 02 28 38.06 -27 33 19.5 r 703
2009-09-30 09:50:47 C 02 28 38.20 -27 33 19.7 r 703
2009-09-30 09:58:45 C 02 28 39.46 -27 33 18.0 r 703
2009-09-30 10:07:30 C 02 28 40.83 -27 33 15.8 r 703
2009-09-30 10:08:23 C 02 28 40.98 -27 33 15.5 r 703
2009-09-30 10:16:13 C 02 28 42.24 -27 33 14.1 r 703
2009-09-30 10:17:05 C 02 28 42.38 -27 33 13.3 r 703
2009-10-01 19:51:27 C 02 34 19.99 -27 24 13.3 r D25
2009-10-01 19:57:30 C 02 34 20.88 -27 24 11.4 r D25