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
2009-08-01 23:00:05 C 21 45 44.80 -05 06 27.7 w 160
2009-08-02 00:23:00 C 21 45 52.20 -05 06 59.4 r J51
2009-08-02 00:34:05 C 21 45 53.07 -05 07 04.5 r J51
2009-08-02 00:45:09 C 21 45 53.95 -05 07 09.7 r J51
2009-08-02 05:01:30 C 21 46 15.31 -05 08 36.5 r I21
2009-08-02 05:17:46 C 21 46 16.61 -05 08 44.8 r I21
2009-08-02 05:58:33 C 21 46 19.74 -05 09 04.1 r I21
2009-08-03 04:37:40 C 21 48 19.73 -05 20 53.8 o H55
2009-08-03 04:43:20 C 21 48 20.20 -05 20 56.7 o H55
2009-08-03 04:49:46 C 21 48 20.72 -05 21 00.1 o H55
2009-08-04 22:59:56 C 21 52 11.25 -05 44 03.5 c 587
2009-08-04 23:01:53 C 21 52 11.43 -05 44 05.0 c 587
2009-08-04 23:03:58 C 21 52 11.62 -05 44 15.9 c 587
2009-08-09 03:57:20 C 22 02 23.55 -06 50 39.9 r I21
2009-08-09 04:22:19 C 22 02 26.06 -06 50 58.9 r I21
2009-08-10 23:41:42 C 22 07 18.49 -07 26 25.0 c J05
2009-08-10 23:45:30 C 22 07 18.90 -07 26 28.1 c J05
2009-08-10 23:51:11 C 22 07 19.53 -07 26 33.1 c J05
2009-08-11 22:01:32 C 22 09 57.08 -07 45 44.2 r A13
2009-08-11 22:03:27 C 22 09 57.28 -07 45 45.9 r A13
2009-08-11 22:38:39 C 22 10 01.26 -07 46 17.2 r A13
2009-08-11 23:25:03 C 22 10 06.36 -07 46 57.4 w 160
2009-08-11 23:27:22 C 22 10 06.62 -07 46 59.4 w 160
2009-08-11 23:29:51 C 22 10 06.89 -07 47 01.7 w 160
2009-08-12 01:22:26 C 22 10 20.51 -07 48 33.8 r J51
2009-08-12 01:30:05 C 22 10 21.35 -07 48 40.6 r J51
2009-08-12 01:37:43 C 22 10 22.19 -07 48 47.4 r J51
2009-08-12 03:46:52 C 22 10 39.16 -07 50 47.6 o H55
2009-08-12 03:49:00 C 22 10 38.83 -07 50 01.5 c 808
2009-08-12 03:50:33 C 22 10 39.57 -07 50 51.1 o H55
2009-08-12 03:53:00 C 22 10 39.86 -07 50 53.3 o H55
2009-08-12 03:56:42 C 22 10 40.27 -07 50 56.6 o H55
2009-08-12 03:58:59 C 22 10 40.25 -07 50 11.5 c 808
2009-08-12 03:59:28 C 22 10 40.59 -07 50 59.2 o H55
2009-08-12 04:09:00 C 22 10 41.28 -07 50 20.7 c 808
2009-08-12 04:20:00 C 22 10 42.41 -07 50 30.1 c 808
2009-08-12 09:02:26 C 22 11 14.82 -07 55 30.6 r H45
2009-08-12 09:03:58 C 22 11 14.99 -07 55 31.9 r H45
2009-08-12 09:05:51 C 22 11 15.20 -07 55 33.5 r H45
2009-08-12 09:08:39 C 22 11 15.52 -07 55 36.3 r H45
2009-08-12 09:10:21 C 22 11 15.72 -07 55 37.9 r H45
2009-08-12 09:11:38 C 22 11 15.86 -07 55 39.0 r H45
2009-08-12 22:51:41 C 22 12 59.04 -08 08 18.9 c A53
2009-08-12 23:00:37 C 22 13 00.08 -08 08 27.5 c A53
2009-08-12 23:11:08 C 22 13 01.31 -08 08 37.3 c A53
2009-08-12 23:21:40 C 22 13 02.54 -08 08 47.7 c A53
2009-08-12 23:32:10 C 22 13 03.73 -08 08 56.6 c A53
2009-08-13 04:16:58 C 22 13 40.59 -08 13 21.4 r H53
2009-08-13 04:19:58 C 22 13 40.93 -08 13 24.2 r H53
2009-08-13 04:22:59 C 22 13 41.29 -08 13 26.9 r H53