344074 (1997 UH9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4747667072 ± 2.00e+00
Semi-major axis (a)0.8299786869 AU ± 3.00e+00
Inclination (i)25.48900693° ± 4.00e+00
Long. of Asc. Node (Ω)42.38493612° ± 5.00e+00
Arg. of Perihelion (ω)180.92738880° ± 6.00e+00
Mean Anomaly (M)209.35684559° ± 1.90e-05
Mean Motion (n)1.3035024922°/day ± 7.07e+00
Perihelion dist (q)0.43593244 AU ± 2.29e+00
Aphelion dist (Q)1.22402494 AU ± 4.73e+00
Orbital Period0.75613686 yr ± 4.10e+00
NGA Modelr2
A22.15979565e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.347″
Uncertainty0
Orbit TypeAten
MOID0.222057 AU
Observations Used741
Oppositions9
Arc Total1997-2025
First Observation Used1997-10-29
Last Observation Used2025-12-31
Observations (889)
Date Type RA Dec Mag Band Observatory
2025-11-13 17:20:31 C 02 32 03.53 +36 22 48.2 – X L18
2025-11-13 17:21:32 C 02 32 03.15 +36 22 49.4 – X L18
2025-11-13 17:22:32 C 02 32 02.65 +36 22 51.1 – X L18
2025-11-14 05:41:12 C 02 26 51.400 +36 38 19.32 – V 703
2025-11-14 05:44:51 C 02 26 49.873 +36 38 24.47 – V 703
2025-11-14 05:48:34 C 02 26 48.275 +36 38 29.00 – V 703
2025-11-14 05:52:42 C 02 26 46.471 +36 38 33.58 – V 703
2025-11-14 23:23:33 C 02 19 25.512 +36 58 22.22 – V R17
2025-11-14 23:43:57 C 02 19 16.716 +36 58 44.11 – V R17
2025-11-15 00:04:20 C 02 19 07.915 +36 59 05.71 – V R17
2025-11-15 00:24:43 C 02 18 59.131 +36 59 27.17 – V R17
2025-11-15 01:40:46 B 02 18 26.333 +37 00 45.54 – X J51
2025-11-15 01:54:30 B 02 18 20.491 +37 00 59.80 – X J51
2025-11-15 02:08:10 B 02 18 14.621 +37 01 12.40 – X J51
2025-11-16 01:29:37 B 02 08 29.090 +37 23 46.68 – X J51
2025-11-16 01:41:07 B 02 08 24.178 +37 23 56.11 – X J51
2025-11-16 01:52:40 B 02 08 19.219 +37 24 05.69 – X J51
2025-11-16 09:16:31 C 02 05 15.974 +37 30 33.16 – V T05
2025-11-16 09:30:18 C 02 05 10.092 +37 30 44.50 – V T05
2025-11-16 09:44:22 C 02 05 04.073 +37 30 55.87 – V T05
2025-11-16 12:55:13 C 02 03 43.058 +37 33 21.10 – V T08
2025-11-16 12:59:50 C 02 03 41.129 +37 33 24.48 – V T08
2025-11-16 13:10:22 C 02 03 36.703 +37 33 32.00 – V T08
2025-11-17 20:03:23 C 01 51 00.132 +37 54 53.46 – Z C23
2025-11-17 20:31:29 C 01 50 48.386 +37 55 11.60 – Z C23
2025-11-17 21:15:07 B 01 50 30.444 +37 55 41.23 – X K19
2025-11-17 21:20:19 B 01 50 28.286 +37 55 44.18 – X K19
2025-11-17 21:25:29 B 01 50 26.131 +37 55 47.39 – X K19
2025-11-17 22:09:22 C 01 50 08.916 +37 56 22.06 – V R17
2025-11-17 22:29:45 C 01 50 00.427 +37 56 34.19 – V R17
2025-11-17 22:50:08 C 01 49 51.941 +37 56 46.14 – V R17
2025-11-17 23:10:32 C 01 49 43.430 +37 56 57.91 – V R17
2025-11-18 20:24:01 B 01 41 13.750 +38 07 27.84 – X K19
2025-11-18 20:29:11 B 01 41 11.638 +38 07 30.18 – X K19
2025-11-18 20:34:23 B 01 41 09.523 +38 07 32.59 – X K19
2025-11-19 18:45:51 B 01 32 27.92 +38 15 37.1 – X L99
2025-11-19 18:52:02 B 01 32 25.47 +38 15 39.5 – X L99
2025-11-19 18:57:46 B 01 32 23.14 +38 15 40.6 – X L99
2025-11-21 12:54:57 C 01 16 37.03 +38 23 32.9 – V D29
2025-11-21 13:15:19 C 01 16 29.39 +38 23 34.5 – V D29
2025-11-21 13:35:41 C 01 16 21.75 +38 23 35.9 – V D29
2025-11-21 19:45:14 C 01 14 08.518 +38 23 45.02 – Z C23
2025-11-21 22:53:58 C 01 12 59.143 +38 23 49.85 – Z C23
2025-11-21 22:56:16 C 01 12 58.255 +38 23 49.74 – Z C23
2025-11-22 17:03:16 C 01 06 36.629 +38 23 28.50 – Z C23
2025-11-22 17:53:47 C 01 06 18.804 +38 23 27.96 – Z C23
2025-11-23 00:21:04 C 01 04 04.89 +38 23 10.1 – V W46
2025-11-23 00:34:40 C 01 04 00.19 +38 23 10.0 – V W46
2025-11-24 08:15:46 C 00 53 24.530 +38 18 34.27 – V T05
2025-11-24 08:29:52 C 00 53 19.814 +38 18 30.78 – V T05