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
2022-12-04 23:54:01 C 23 32 08.39 +56 33 24.8 u H21
2022-12-04 23:56:48 C 23 32 07.26 +56 33 20.1 u H21
2022-12-04 23:59:35 C 23 32 06.21 +56 33 15.0 u H21
2022-12-05 00:02:21 C 23 32 05.12 +56 33 10.1 u H21
2022-12-05 00:05:02 C 23 32 04.06 +56 33 05.2 u H21
2025-09-18 13:04:00 C 05 42 42.855 +03 57 15.53 X F51
2025-09-18 13:21:41 C 05 42 42.969 +03 57 25.98 X F51
2025-09-18 13:39:23 C 05 42 43.087 +03 57 36.46 X F51
2025-09-18 13:57:02 C 05 42 43.192 +03 57 46.90 X F51
2025-09-25 13:29:57 C 05 43 20.850 +05 45 12.45 X F52
2025-09-25 13:48:31 C 05 43 20.720 +05 45 25.66 X F52
2025-09-25 14:07:02 C 05 43 20.585 +05 45 38.64 X F52
2025-09-25 14:25:38 C 05 43 20.455 +05 45 51.69 X F52
2025-09-30 14:07:23 C 05 42 15.697 +07 16 18.95 X F51
2025-09-30 14:26:20 C 05 42 15.312 +07 16 34.42 X F51
2025-09-30 14:45:04 C 05 42 14.922 +07 16 49.75 X F51
2025-09-30 15:04:12 C 05 42 14.525 +07 17 05.49 X F51
2025-10-05 11:36:44 C 05 39 31.633 +09 00 17.42 V G96
2025-10-05 11:44:10 C 05 39 31.367 +09 00 24.52 V G96
2025-10-05 11:59:02 C 05 39 30.884 +09 00 38.88 V G96
2025-10-14 02:36:10 C 05 28 58.486 +12 54 52.56 V R17
2025-10-14 02:56:33 C 05 28 56.868 +12 55 20.32 V R17
2025-10-14 03:16:54 C 05 28 55.248 +12 55 47.53 V R17
2025-10-14 03:37:18 C 05 28 53.618 +12 56 14.78 V R17
2025-10-16 12:57:37 C 05 24 10.025 +14 16 22.04 V T08
2025-10-16 13:09:36 C 05 24 08.861 +14 16 40.91 V T08
2025-10-16 13:11:34 C 05 24 08.647 +14 16 42.82 V T08
2025-10-16 13:24:54 C 05 24 07.325 +14 17 02.62 V T08
2025-10-19 10:35:53 C 05 17 02.770 +16 04 04.90 V 703
2025-10-19 10:39:10 C 05 17 02.310 +16 04 10.80 V 703
2025-10-19 10:45:43 C 05 17 01.620 +16 04 20.30 V 703
2025-10-19 13:10:03 C 05 16 45.247 +16 08 22.45 V T05
2025-10-19 13:12:42 C 05 16 44.914 +16 08 27.17 V T05
2025-10-19 13:19:17 C 05 16 44.141 +16 08 37.93 V T05
2025-10-19 13:55:15 C 05 16 39.713 +16 09 37.19 V T05
2025-10-20 01:21:01 C 05 15 20.330 +16 28 29.50 V R17
2025-10-20 01:40:31 C 05 15 17.885 +16 29 02.76 V R17
2025-10-20 02:00:28 C 05 15 15.418 +16 29 36.49 V R17
2025-10-20 02:20:51 C 05 15 12.835 +16 30 11.02 V R17
2025-10-25 08:49:12 C 04 56 39.550 +20 23 31.20 V 703
2025-10-25 08:52:25 C 04 56 38.920 +20 23 38.10 V 703
2025-10-25 08:55:39 C 04 56 38.310 +20 23 44.40 V 703
2025-10-25 08:58:52 C 04 56 37.770 +20 23 50.90 V 703
2025-10-27 07:47:00 C 04 47 49.398 +22 00 44.24 V 703
2025-10-27 07:50:14 C 04 47 48.692 +22 00 51.52 V 703
2025-10-27 07:50:59 C 04 47 48.602 +22 00 52.78 V G96
2025-10-27 07:53:27 C 04 47 48.098 +22 00 57.56 V 703
2025-10-27 07:56:40 C 04 47 47.411 +22 01 05.27 V 703
2025-10-27 07:58:25 C 04 47 47.051 +22 01 08.69 V G96
2025-10-27 08:05:51 C 04 47 45.506 +22 01 24.60 V G96