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
2022-12-17 19:07:35 C 08 02 57.16 +10 20 26.8 V D29
2022-12-26 08:14:25 C 07 51 57.571 +11 16 58.62 V G96
2022-12-26 08:22:29 C 07 51 57.110 +11 17 00.56 V G96
2022-12-26 08:30:33 C 07 51 56.642 +11 17 03.01 V G96
2022-12-26 08:38:37 C 07 51 56.149 +11 17 05.35 V G96
2023-01-13 09:08:21 C 07 25 39.925 +13 47 58.24 V G96
2023-01-13 09:15:45 C 07 25 39.500 +13 48 01.04 V G96
2023-01-13 09:23:09 C 07 25 39.050 +13 48 03.35 V G96
2023-01-13 09:30:33 C 07 25 38.597 +13 48 06.05 V G96
2025-07-06 21:18:45 B 18 40 40.09 -08 32 50.7 X M45
2025-07-06 21:22:23 B 18 40 39.88 -08 32 51.4 X M45
2025-07-06 21:26:00 B 18 40 39.68 -08 32 51.8 X M45
2025-07-07 01:35:48 C 18 40 27.810 -08 33 14.90 V 807
2025-07-07 01:39:38 C 18 40 27.590 -08 33 15.90 V 807
2025-07-07 01:43:30 C 18 40 27.380 -08 33 16.50 V 807
2025-07-07 01:51:12 C 18 40 26.980 -08 33 18.00 V 807
2025-07-07 01:55:03 C 18 40 26.780 -08 33 18.50 V 807
2025-07-07 01:58:54 C 18 40 26.570 -08 33 19.30 V 807
2025-07-12 09:54:43 C 18 33 50.554 -09 01 50.45 V T05
2025-07-12 09:59:57 C 18 33 50.222 -09 01 52.72 V T05
2025-07-12 10:08:27 C 18 33 49.728 -09 01 56.14 V T05
2025-07-12 10:28:20 C 18 33 48.648 -09 01 59.48 V T05
2025-07-13 20:32:35 C 18 32 00.73 -09 11 39.6 Z L04
2025-07-13 20:40:11 C 18 32 00.27 -09 11 41.6 Z L04
2025-07-16 08:24:40 C 18 28 49.481 -09 30 26.35 V T05
2025-07-16 08:29:16 C 18 28 49.274 -09 30 28.19 V T05
2025-07-16 08:37:56 C 18 28 48.746 -09 30 30.92 V T05
2025-07-16 08:50:13 C 18 28 48.010 -09 30 35.28 V T05
2025-07-18 23:22:43 C 18 25 28.538 -09 53 16.15 X B67
2025-07-18 23:28:46 C 18 25 28.174 -09 53 18.96 X B67
2025-07-18 23:34:09 C 18 25 27.854 -09 53 21.05 X B67
2025-07-20 09:08:13 C 18 23 42.607 -10 06 35.28 V T05
2025-07-20 09:12:47 C 18 23 42.317 -10 06 37.62 V T05
2025-07-20 09:21:22 C 18 23 41.818 -10 06 40.50 V T05
2025-07-20 09:36:37 C 18 23 40.975 -10 06 47.27 V T05
2025-07-23 22:52:05 C 18 19 21.250 -10 44 27.38 V R17
2025-07-23 23:12:08 C 18 19 20.146 -10 44 37.43 V R17
2025-07-23 23:32:04 C 18 19 19.111 -10 44 46.28 V R17
2025-07-23 23:52:05 C 18 19 18.000 -10 44 55.39 V R17
2025-07-26 20:40:01 C 18 16 01.104 -11 18 48.92 V M22
2025-07-26 20:45:10 C 18 16 00.818 -11 18 51.48 V M22
2025-07-26 20:54:20 C 18 16 00.360 -11 18 56.88 V M22
2025-07-26 21:08:44 C 18 15 59.628 -11 19 04.19 V M22
2025-07-26 22:48:22 C 18 15 55.282 -11 20 16.12 V R17
2025-07-26 23:08:25 C 18 15 54.257 -11 20 26.38 V R17
2025-07-26 23:28:25 C 18 15 53.210 -11 20 37.03 V R17
2025-07-26 23:48:25 C 18 15 52.217 -11 20 47.22 V R17
2025-08-27 02:55:14 C 18 07 49.529 -20 17 15.18 V W68
2025-08-27 03:07:11 C 18 07 49.896 -20 17 24.90 V W68
2025-08-27 03:19:08 C 18 07 50.270 -20 17 34.73 V W68