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
2025-12-08 05:36:37 C 00 57 55.557 -12 58 37.64 X F51
2025-12-08 05:54:06 C 00 57 57.964 -12 58 13.86 X F51
2025-12-08 06:29:04 C 00 58 02.781 -12 57 26.15 X F51
2025-12-10 05:26:05 C 01 04 38.449 -11 53 47.76 X F52
2025-12-10 05:43:02 C 01 04 40.727 -11 53 25.02 X F52
2025-12-10 05:59:55 C 01 04 42.983 -11 53 02.31 X F52
2025-12-10 06:16:43 C 01 04 45.239 -11 52 39.63 X F52
2025-12-13 03:03:40 C 01 14 05.773 -10 21 03.89 V G96
2025-12-13 03:13:24 C 01 14 07.033 -10 20 50.93 V G96
2025-12-13 03:21:36 C 01 14 08.106 -10 20 40.24 V G96
2025-12-13 03:29:49 C 01 14 09.175 -10 20 29.36 V G96
2025-12-17 05:37:32 C 01 26 54.400 -08 13 25.58 X F52
2025-12-17 05:55:22 C 01 26 56.584 -08 13 03.00 X F52
2025-12-17 06:13:13 C 01 26 58.776 -08 12 40.36 X F52
2025-12-17 06:31:11 C 01 27 00.980 -08 12 17.49 X F52
2025-12-22 05:50:32 C 01 41 43.606 -05 44 29.52 X F52
2025-12-22 06:08:29 C 01 41 45.689 -05 44 07.85 X F52
2025-12-22 06:26:27 C 01 41 47.781 -05 43 46.24 X F52
2025-12-22 06:44:23 C 01 41 49.873 -05 43 24.56 X F52
2026-01-07 13:23:52 C 02 25 26.638 +01 23 44.16 W O18
2026-01-07 14:03:38 C 02 25 30.695 +01 24 23.03 W O18
2026-01-08 13:28:27 C 02 27 57.456 +01 47 11.20 W O18
2026-01-08 14:58:29 C 02 28 06.617 +01 48 38.34 W O18
2026-01-15 02:52:15 C 02 44 01.864 +04 12 37.80 V G96
2026-01-15 03:00:23 C 02 44 02.641 +04 12 45.22 V G96
2026-01-15 03:08:33 C 02 44 03.448 +04 12 52.81 V G96
2026-01-15 03:16:42 C 02 44 04.240 +04 12 59.40 V G96