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
1997-11-01 07:59:59 C 03 17 26.60 +15 04 52.4 z 684
1997-11-01 08:02:19 C 03 17 25.79 +15 04 56.3 z 684
1997-11-01 09:15:00 C 03 17 00.72 +15 07 00.0 z 670
1997-11-01 09:27:59 C 03 16 56.22 +15 07 21.7 z 670
1997-11-01 09:47:00 C 03 16 49.55 +15 07 53.6 z 670
1997-11-01 10:02:00 C 03 16 44.37 +15 08 18.6 z 670
1997-11-01 11:51:38 C 03 16 09.33 +15 12 01.3 z 422
1997-11-01 13:05:38 C 03 15 43.96 +15 13 27.0 z 897
1997-11-01 13:14:13 C 03 15 41.07 +15 13 41.1 z 897
1997-11-01 13:28:06 C 03 15 36.06 +15 14 06.1 z 897
1997-11-01 13:33:38 C 03 15 34.20 +15 14 15.4 z 897
1997-11-01 14:17:53 C 03 15 18.78 +15 16 11.0 426
1997-11-01 14:23:34 C 03 15 16.86 +15 16 20.1 426
1997-11-01 14:29:11 C 03 15 14.87 +15 16 29.8 426
1997-11-01 21:52:51 C 03 12 43.48 +15 28 11.5 z 106
1997-11-01 21:57:33 C 03 12 41.84 +15 28 19.2 z 106
1997-11-01 22:06:16 C 03 12 38.80 +15 28 34.1 z 106
1997-11-02 08:03:59 C 03 09 12.38 +15 45 24.4 z 670
1997-11-02 08:19:00 C 03 09 07.18 +15 45 48.1 z 670
1997-11-02 08:35:59 C 03 09 01.16 +15 46 16.6 z 670
1997-11-02 20:51:33 C 03 04 46.84 +16 06 28.6 16.4 z 473
1997-11-02 20:56:18 C 03 04 45.13 +16 06 36.0 16.3 z 473
1997-11-02 21:07:37 C 03 04 41.34 +16 06 55.2 16.5 z 473
1997-11-02 21:19:58 C 03 04 36.84 +16 07 13.5 16.6 z 473
1997-11-02 21:34:26 C 03 04 31.66 +16 07 37.8 16.4 z 473
1997-11-02 21:48:12 C 03 04 26.83 +16 08 01.1 z 104
1997-11-02 21:51:00 C 03 04 25.82 +16 08 05.8 z 104
1997-11-02 21:55:45 C 03 04 24.15 +16 08 13.5 z 104
1997-11-02 22:01:29 C 03 04 22.12 +16 08 22.9 z 104
1997-11-03 01:10:37 C 03 03 14.50 +16 13 30.4 046
1997-11-03 01:11:57 C 03 03 14.00 +16 13 32.4 046
1997-11-03 01:13:18 C 03 03 13.53 +16 13 34.6 046
1997-11-03 01:14:40 C 03 03 13.03 +16 13 37.0 046
1997-11-03 12:33:23 C 02 59 16.57 +16 32 49.4 z 422
1997-11-03 12:40:28 C 02 59 14.06 +16 33 00.9 z 422
1997-11-03 12:42:14 C 02 59 13.37 +16 33 03.6 z 422
1997-11-04 23:37:21 C 02 46 48.75 +17 27 24.6 046
1997-11-04 23:42:23 C 02 46 46.89 +17 27 32.3 046
1997-11-04 23:45:27 C 02 46 45.78 +17 27 37.0 046
1997-11-05 00:40:20 C 02 46 25.74 +17 28 59.7 557
1997-11-05 00:41:42 C 02 46 25.24 +17 29 01.7 557
1997-11-05 00:52:30 C 02 46 21.32 +17 29 18.1 557
1997-11-05 13:10:35 C 02 41 58.94 +17 48 47.9 426
1997-11-05 13:15:41 C 02 41 57.11 +17 48 55.5 426
1997-11-05 13:21:39 C 02 41 54.95 +17 49 04.6 426
1997-11-05 13:51:15 C 02 41 44.17 +17 49 10.6 360
1997-11-05 13:55:14 C 02 41 42.70 +17 49 16.6 360
1997-11-05 13:59:14 C 02 41 41.23 +17 49 22.7 360
1997-11-05 14:49:19 C 02 41 22.60 +17 50 36.6 z 381
1997-11-05 14:52:02 C 02 41 21.62 +17 50 40.6 z 381