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
2009-10-11 08:13:43 C 03 03 45.21 -25 43 21.7 o H55
2009-10-11 08:19:52 C 03 03 45.73 -25 43 17.9 o H55
2009-10-11 08:22:18 C 03 03 45.93 -25 43 16.5 o H55
2009-10-11 08:25:52 C 03 03 46.24 -25 43 14.4 o H55
2009-10-11 15:55:43 C 03 04 30.059 -25 38 00.32 r E12
2009-10-11 16:02:41 C 03 04 30.632 -25 37 56.12 r E12
2009-10-11 16:09:43 C 03 04 31.203 -25 37 51.84 r E12
2009-10-11 16:16:39 C 03 04 31.775 -25 37 47.74 r E12
2009-10-19 07:38:52 C 03 18 12.15 -23 33 43.8 o H55
2009-10-19 07:43:08 C 03 18 12.34 -23 33 40.3 o H55
2009-10-19 07:50:32 C 03 18 12.67 -23 33 34.9 o H55
2009-10-23 09:09:20 C 03 22 52.03 -22 16 07.4 r 703
2009-10-23 09:20:44 C 03 22 52.35 -22 15 57.8 r 703
2009-10-23 09:32:05 C 03 22 52.71 -22 15 48.1 r 703
2009-10-23 09:43:37 C 03 22 53.04 -22 15 38.4 r 703
2009-10-25 00:36:19 C 03 24 21.61 -21 42 53.5 w B74
2009-10-25 00:42:02 C 03 24 21.75 -21 42 48.8 w B74
2009-10-25 00:47:32 C 03 24 21.89 -21 42 44.0 w B74
2009-10-27 00:28:58 C 03 25 51.86 -21 01 10.7 17.3 o C20
2009-10-27 00:32:04 C 03 25 51.91 -21 01 08.0 17.4 o C20
2009-10-28 00:19:39 C 03 26 31.49 -20 39 54.6 17.3 o C20
2009-10-28 00:26:01 C 03 26 31.62 -20 39 48.5 17.2 o C20
2009-10-30 06:08:29 C 03 27 48.35 -19 50 04.4 c 808
2009-10-30 06:18:39 C 03 27 48.35 -19 49 55.0 c 808
2009-10-30 06:29:00 C 03 27 48.51 -19 49 45.9 c 808
2009-11-02 05:19:55 C 03 29 05.25 -18 43 27.3 o H21
2009-11-02 05:26:07 C 03 29 05.31 -18 43 21.5 o H21
2009-11-02 05:32:02 C 03 29 05.39 -18 43 15.9 o H21
2009-11-02 05:35:47 C 03 29 05.38 -18 43 11.9 o H21
2009-11-05 22:49:16 C 03 30 07.46 -17 15 49.0 17.3 o C20
2009-11-05 22:55:37 C 03 30 07.47 -17 15 42.6 17.3 o C20
2009-11-10 07:57:43 C 03 30 48.13 -15 29 09.9 r 703
2009-11-10 08:07:03 C 03 30 48.09 -15 28 59.9 r 703
2009-11-10 08:16:33 C 03 30 48.06 -15 28 50.4 r 703
2009-11-10 08:26:06 C 03 30 48.02 -15 28 40.4 r 703
2009-11-16 05:43:56 C 03 31 09.51 -13 00 46.9 r 703
2009-11-16 05:51:00 C 03 31 09.48 -13 00 39.7 r 703
2009-11-16 05:58:03 C 03 31 09.40 -13 00 31.8 r 703
2009-11-16 06:05:09 C 03 31 09.37 -13 00 24.6 r 703
2009-11-18 00:16:10 C 03 31 10.97 -12 15 35.6 17.8 o C20
2009-11-18 00:27:20 C 03 31 10.92 -12 15 23.4 17.9 o C20
2009-11-18 00:31:35 C 03 31 10.94 -12 15 19.2 18.8 o C20
2009-11-20 04:57:05 C 03 31 16.16 -11 19 20.6 r H53
2009-11-20 05:01:06 C 03 31 16.21 -11 19 15.8 r H53
2009-11-20 05:05:06 C 03 31 16.15 -11 19 11.0 r H53
2009-11-20 05:09:06 C 03 31 16.14 -11 19 07.8 r H53
2009-11-20 05:13:06 C 03 31 16.12 -11 19 03.3 r H53
2009-11-20 05:17:06 C 03 31 16.09 -11 18 58.7 r H53
2009-11-22 04:05:37 C 03 31 21.13 -10 28 52.8 r H53
2009-11-22 04:09:38 C 03 31 21.07 -10 28 49.1 r H53