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
1997-11-05 14:54:48 C 02 41 20.59 +17 50 44.8 z 381
1997-11-06 03:17:47 C 02 36 55.83 +18 09 01.0 b 704
1997-11-06 03:46:32 C 02 36 45.35 +18 09 44.4 18.0 b 704
1997-11-06 04:15:33 C 02 36 34.73 +18 10 27.3 b 704
1997-11-06 04:44:05 C 02 36 24.27 +18 11 09.6 b 704
1997-11-06 05:12:54 C 02 36 13.69 +18 11 51.5 b 704
1997-11-06 07:29:15 C 02 35 23.76 +18 15 10.7 b 704
1997-11-06 07:31:38 C 02 35 22.87 +18 15 13.3 b 704
1997-11-06 07:34:11 C 02 35 21.99 +18 15 17.2 18.0 b 704
1997-11-06 07:36:44 C 02 35 21.06 +18 15 21.4 18.0 b 704
1997-11-06 07:39:18 C 02 35 20.07 +18 15 25.6 b 704
1997-11-06 07:41:40 C 02 35 19.18 +18 15 28.2 b 704
1997-11-06 07:44:13 C 02 35 18.25 +18 15 31.8 b 704
1997-11-06 07:46:46 C 02 35 17.32 +18 15 35.6 b 704
1997-11-06 07:49:09 C 02 35 16.42 +18 15 40.1 b 704
1997-11-06 07:51:42 C 02 35 15.47 +18 15 43.1 b 704
1997-11-06 11:48:36 C 02 33 52.27 +18 22 05.2 424
1997-11-06 11:56:30 C 02 33 49.39 +18 22 17.2 424
1997-11-06 12:08:29 C 02 33 44.92 +18 22 33.8 424
1997-11-06 12:20:30 C 02 33 40.55 +18 22 51.3 424
1997-11-06 12:24:29 C 02 33 39.07 +18 22 56.8 424
1997-11-06 13:15:23 C 02 33 20.70 +18 23 27.6 z 897
1997-11-06 13:17:56 C 02 33 19.73 +18 23 31.9 z 897
1997-11-06 13:20:04 C 02 33 18.93 +18 23 35.4 z 897
1997-11-06 15:57:10 C 02 32 20.76 +18 27 57.4 z 422
1997-11-06 15:59:01 C 02 32 20.04 +18 27 59.9 z 422
1997-11-06 16:01:05 C 02 32 19.29 +18 28 03.1 z 422
1997-11-07 16:36:29 C 02 23 31.28 +19 01 28.4 360
1997-11-07 16:40:29 C 02 23 29.82 +19 01 33.8 360
1997-11-07 16:44:30 C 02 23 28.35 +19 01 39.1 360
1997-11-08 23:01:11 C 02 12 43.08 +19 40 39.9 z 121
1997-11-08 23:21:20 C 02 12 35.87 +19 41 04.4 z 121
1997-11-08 23:32:40 C 02 12 31.72 +19 41 18.5 z 121
1997-11-08 23:50:22 C 02 12 25.54 +19 41 40.9 z 121
1997-11-08 23:55:22 C 02 12 23.70 +19 41 46.8 z 121
1997-11-09 07:23:00 C 02 09 46.65 +19 51 08.0 a 696
1997-11-09 07:23:55 C 02 09 46.32 +19 51 09.0 a 696
1997-11-09 07:24:50 C 02 09 45.99 +19 51 10.2 a 696
1997-11-09 08:02:54 C 02 09 32.82 +19 51 46.0 658
1997-11-09 08:04:50 C 02 09 32.13 +19 51 48.2 658
1997-11-09 08:12:19 C 02 09 29.43 +19 51 56.9 658
1997-11-10 23:58:14 C 01 55 41.61 +20 37 12.4 046
1997-11-10 23:59:32 C 01 55 41.15 +20 37 13.8 046
1997-11-11 00:01:09 C 01 55 40.62 +20 37 15.5 046
1997-11-11 08:24:13 C 01 52 49.61 +20 46 05.2 658
1997-11-11 08:29:54 C 01 52 47.67 +20 46 10.9 658
1997-11-11 08:35:04 C 01 52 45.78 +20 46 16.8 658
1997-11-18 14:27:42 C 00 59 55.77 +22 56 47.5 z 897
1997-11-18 14:32:41 C 00 59 54.57 +22 56 47.8 z 897
1997-11-18 14:37:41 C 00 59 53.17 +22 56 51.9 z 897