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
1997-11-18 22:27:09 C 00 57 50.88 +23 00 37.6 z 587
1997-11-18 22:31:22 C 00 57 49.79 +23 00 40.4 z 587
1997-11-19 11:19:59 C 00 54 34.18 +23 06 48.6 360
1997-11-19 11:26:14 C 00 54 32.60 +23 06 51.1 360
1997-11-19 11:31:44 C 00 54 31.11 +23 06 54.1 360
1997-11-19 12:04:47 C 00 54 22.36 +23 07 08.1 z 402
1997-11-19 12:08:47 C 00 54 21.33 +23 07 09.6 z 402
1997-11-19 12:12:48 C 00 54 20.29 +23 07 11.9 z 402
1997-11-19 16:36:50 C 00 53 15.17 +23 09 00.3 046
1997-11-19 16:38:47 C 00 53 14.77 +23 09 01.1 046
1997-11-19 16:41:13 C 00 53 14.04 +23 09 02.4 046
1997-11-20 20:30:02 C 00 46 26.75 +23 20 36.2 557
1997-11-20 21:10:37 C 00 46 16.92 +23 20 51.7 557
1997-11-21 11:30:59 C 00 42 57.15 +23 26 54.0 424
1997-11-21 11:39:00 C 00 42 55.19 +23 26 58.4 424
1997-11-21 21:12:23 C 00 40 45.18 +23 29 40.2 046
1997-11-21 21:13:38 C 00 40 44.90 +23 29 40.9 046
1997-11-21 21:14:42 C 00 40 44.67 +23 29 41.3 046
1997-11-21 21:16:19 C 00 40 44.33 +23 29 41.8 046
1997-11-21 21:20:07 C 00 40 43.46 +23 29 43.1 046
1997-11-29 05:35:43 C 00 08 24.05 +24 12 58.4 c 566
1997-11-29 05:43:17 C 00 08 22.85 +24 12 59.7 c 566
1997-11-29 05:50:53 C 00 08 21.75 +24 13 01.8 c 566
1997-11-30 06:17:34 C 00 04 53.99 +24 17 14.6 c 566
1997-11-30 06:31:43 C 00 04 51.95 +24 17 17.0 c 566
1997-11-30 06:45:51 C 00 04 49.91 +24 17 19.2 c 566
1997-12-02 01:22:49 C 23 59 20.74 +24 24 01.1 658
1997-12-02 01:28:43 C 23 59 19.93 +24 24 02.2 658
1997-12-02 01:31:21 C 23 59 19.55 +24 24 02.7 658
1997-12-03 02:12:45 C 23 56 24.96 +24 27 54.9 658
1997-12-03 02:17:20 C 23 56 24.28 +24 27 56.1 658
1997-12-05 04:12:51 C 23 51 05.90 +24 35 35.5 658
1997-12-05 04:16:02 C 23 51 05.58 +24 35 36.1 658
1997-12-05 04:19:48 C 23 51 05.20 +24 35 36.6 658
1997-12-12 02:09:10 C 23 38 08.97 +25 02 34.1 658
1997-12-12 02:14:02 C 23 38 08.64 +25 02 34.9 658
1997-12-12 02:18:14 C 23 38 08.37 +25 02 36.1 658
1997-12-24 19:03:13 C 23 26 53.65 +26 07 12.4 z 104
1997-12-24 19:10:19 C 23 26 53.46 +26 07 14.1 z 104
1997-12-24 19:17:30 C 23 26 53.30 +26 07 15.9 z 104
1998-01-02 01:37:36 C 23 24 40.43 +27 00 32.9 z 711
1998-01-02 01:56:41 C 23 24 40.27 +27 00 38.4 z 711
1998-01-03 01:46:37 C 23 24 34.02 +27 07 32.2 z 711
1998-01-03 02:05:47 C 23 24 33.89 +27 07 37.4 z 711
1998-01-10 02:49:25 C 23 24 25.83 +27 58 00.6 658
1998-01-10 03:02:46 C 23 24 25.80 +27 58 03.0 658
1998-01-10 03:12:48 C 23 24 25.76 +27 58 03.6 658
2000-09-19 17:57:30 C 05 50 05.39 -14 43 42.3 413
2000-09-19 18:00:07 C 05 50 05.19 -14 43 41.8 413
2000-09-19 18:02:44 C 05 50 04.98 -14 43 41.9 413