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
2003-10-05 07:02:53 C 04 59 33.50 -35 44 39.0 c 859
2003-10-05 07:04:48 C 04 59 33.18 -35 44 39.3 c 859
2003-10-05 07:06:38 C 04 59 32.30 -35 44 40.2 c 859
2003-10-10 14:08:00 C 04 14 56.38 -35 54 39.9 r E14
2003-10-10 14:13:15 C 04 14 54.33 -35 54 38.3 r E14
2003-10-10 14:18:29 C 04 14 52.33 -35 54 38.0 r E14
2003-10-22 12:42:14 C 02 14 53.98 -29 50 37.1 r 428
2003-10-22 12:44:28 C 02 14 53.06 -29 50 31.7 r 428
2003-10-22 12:46:42 C 02 14 52.12 -29 50 26.5 r 428
2003-10-26 01:49:24 C 01 42 29.29 -26 18 25.6 o 859
2003-10-26 01:51:02 C 01 42 28.69 -26 18 21.1 o 859
2003-10-26 01:52:39 C 01 42 28.09 -26 18 17.1 o 859
2003-11-01 12:52:44 C 00 55 03.85 -19 12 20.6 r 428
2003-11-01 12:55:09 C 00 55 03.28 -19 12 14.5 r 428
2003-11-01 12:59:57 C 00 55 01.96 -19 12 00.0 r 428
2003-11-01 13:02:22 C 00 55 01.29 -19 11 53.8 r 428
2003-11-19 01:31:25 C 23 51 25.30 -03 41 31.5 d 703
2003-11-19 01:49:08 C 23 51 23.83 -03 41 01.9 d 703
2003-11-19 02:06:51 C 23 51 22.48 -03 40 33.4 d 703
2003-11-19 02:24:39 C 23 51 20.99 -03 40 02.6 d 703
2003-11-22 10:16:59 C 23 46 10.01 -01 33 01.9 20.8 c 608
2003-11-22 10:32:02 C 23 46 09.09 -01 32 39.2 19.9 c 608
2003-11-22 10:47:09 C 23 46 08.21 -01 32 16.5 20.2 c 608
2006-10-09 16:22:58 C 03 32 31.34 -64 06 22.6 r E12
2006-10-09 16:34:39 C 03 32 21.51 -64 06 11.1 r E12
2006-10-09 16:46:16 C 03 32 11.72 -64 05 56.7 r E12
2006-10-09 16:57:59 C 03 32 01.68 -64 05 44.8 r E12
2006-10-23 13:55:42 C 00 27 13.10 -45 46 49.2 r E12
2006-10-23 14:08:37 C 00 27 09.32 -45 45 54.1 r E12
2006-10-23 14:21:31 C 00 27 05.54 -45 44 58.5 r E12
2006-10-23 14:34:26 C 00 27 01.76 -45 44 02.7 r E12
2006-10-28 10:56:14 C 00 00 51.40 -37 40 41.6 r E12
2006-10-28 11:07:53 C 00 00 49.24 -37 39 55.6 r E12
2006-10-28 11:19:38 C 00 00 47.05 -37 39 09.1 r E12
2006-10-28 11:31:13 C 00 00 44.82 -37 38 22.1 r E12
2006-11-16 19:05:18 C 23 24 11.61 -14 13 14.6 c 246
2006-11-16 19:06:56 C 23 24 11.57 -14 13 11.7 c 246
2006-11-16 19:10:13 C 23 24 11.49 -14 13 04.3 c 246
2006-11-16 19:11:51 C 23 24 11.47 -14 13 00.8 c 246
2006-11-16 19:13:35 C 23 24 11.45 -14 12 56.5 c 246
2009-11-01 01:34:39 C 22 41 07.33 -40 10 21.5 r I19
2009-11-01 01:48:06 C 22 41 07.68 -40 09 31.1 r I19
2009-11-01 02:22:23 C 22 41 08.61 -40 07 19.0 r I19
2012-10-04 23:38:57 C 15 16 40.27 -69 43 09.9 u 807
2012-10-04 23:46:01 C 15 16 46.32 -69 43 22.9 u 807
2012-11-05 00:06:56 C 21 53 18.89 -39 37 23.3 u 807
2012-11-05 00:10:14 C 21 53 19.33 -39 37 13.0 u 807
2012-11-05 00:13:31 C 21 53 19.77 -39 37 02.7 u 807
2012-11-05 00:16:48 C 21 53 20.19 -39 36 52.3 u 807
2012-11-05 00:20:04 C 21 53 20.63 -39 36 41.9 u 807