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
1997-10-29 14:37:08 C 03 38 47.14 +13 12 42.8 c 566
1997-10-29 14:51:35 C 03 38 42.52 +13 13 07.3 c 566
1997-10-29 15:07:05 C 03 38 37.52 +13 13 33.7 c 566
1997-10-30 06:50:53 C 03 33 40.88 +13 40 35.7 673
1997-10-30 06:55:58 C 03 33 39.21 +13 40 43.8 673
1997-10-30 07:00:23 C 03 33 37.93 +13 40 51.2 673
1997-10-30 09:59:16 C 03 32 40.16 +13 46 09.8 c 566
1997-10-30 10:13:40 C 03 32 35.39 +13 46 34.9 c 566
1997-10-30 10:27:40 C 03 32 30.72 +13 46 59.3 c 566
1997-10-30 12:17:12 C 03 31 56.14 +13 50 36.9 z 422
1997-10-30 12:19:32 C 03 31 55.38 +13 50 40.7 z 422
1997-10-30 12:21:52 C 03 31 54.60 +13 50 44.7 z 422
1997-10-30 21:54:38 C 03 28 48.14 +14 06 23.6 557
1997-10-30 21:55:59 C 03 28 47.66 +14 06 26.0 557
1997-10-30 22:00:02 C 03 28 46.30 +14 06 33.3 557
1997-10-30 22:01:23 C 03 28 45.86 +14 06 35.7 557
1997-10-31 03:16:44 C 03 27 02.77 +14 15 39.1 16.6 a 784
1997-10-31 03:53:00 C 03 26 50.87 +14 16 43.8 16.5 a 784
1997-10-31 03:58:59 C 03 26 48.87 +14 16 54.2 16.4 a 784
1997-10-31 04:10:44 C 03 26 44.87 +14 17 14.7 16.5 a 784
1997-10-31 04:13:59 C 03 26 43.79 +14 17 20.3 16.6 a 784
1997-10-31 05:19:14 C 03 26 21.83 +14 19 13.0 16.7 a 784
1997-10-31 05:22:44 C 03 26 20.61 +14 19 19.4 16.9 a 784
1997-10-31 06:25:59 C 03 26 00.63 +14 21 10.9 z 670
1997-10-31 06:40:59 C 03 25 55.60 +14 21 37.6 z 670
1997-10-31 06:56:00 C 03 25 50.39 +14 22 03.6 z 670
1997-10-31 07:05:00 C 03 25 47.50 +14 22 18.7 z 670
1997-10-31 09:33:03 C 03 24 57.21 +14 26 32.4 673
1997-10-31 09:37:04 C 03 24 55.78 +14 26 39.5 673
1997-10-31 09:49:24 C 03 24 51.69 +14 26 59.8 673
1997-10-31 14:20:25 C 03 23 20.52 +14 34 52.2 c 566
1997-10-31 14:34:08 C 03 23 15.86 +14 35 15.0 c 566
1997-10-31 14:49:56 C 03 23 10.48 +14 35 41.7 c 566
1997-10-31 19:56:07 C 03 21 31.71 +14 44 09.5 046
1997-10-31 19:57:45 C 03 21 31.14 +14 44 11.7 046
1997-10-31 19:59:00 C 03 21 30.73 +14 44 14.3 046
1997-10-31 20:00:14 C 03 21 30.32 +14 44 16.1 046
1997-10-31 22:12:25 C 03 20 45.26 +14 48 03.6 557
1997-10-31 22:22:18 C 03 20 41.87 +14 48 20.6 557
1997-10-31 22:27:48 C 03 20 39.98 +14 48 30.0 557
1997-11-01 00:18:38 C 03 20 02.26 +14 51 44.5 620
1997-11-01 00:41:18 C 03 19 54.52 +14 52 23.1 620
1997-11-01 00:58:27 C 03 19 48.47 +14 52 49.5 16.0 126
1997-11-01 01:12:45 C 03 19 43.46 +14 53 14.2 16.3 126
1997-11-01 01:24:55 C 03 19 39.31 +14 53 34.8 16.5 126
1997-11-01 01:30:08 C 03 19 37.66 +14 53 44.3 620
1997-11-01 07:00:50 C 03 17 47.19 +15 03 11.6 z 684
1997-11-01 07:13:09 C 03 17 42.91 +15 03 32.7 z 684
1997-11-01 07:16:37 C 03 17 41.69 +15 03 38.8 z 684
1997-11-01 07:56:55 C 03 17 27.67 +15 04 47.2 z 684