159399 (1998 UL1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2139509061 ± 8.61e-09
Semi-major axis (a)1.5269676489 AU ± 5.31e-10
Inclination (i)41.96806947° ± 8.25e-07
Long. of Asc. Node (Ω)214.84517905° ± 4.95e-07
Arg. of Perihelion (ω)353.26133400° ± 1.29e-06
Mean Anomaly (M)298.21637405° ± 1.38e-06
Mean Motion (n)0.5223571242°/day ± 2.72e-10
Perihelion dist (q)1.20027154 AU ± 1.32e-08
Aphelion dist (Q)1.85366376 AU ± 1.32e-08
Orbital Period1.88688205 yr ± 9.84e-10
Physical Parameters
H (abs. magnitude)16.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.058″
Uncertainty0
Orbit TypeAmor
MOID0.195291 AU
Observations Used1813
Gaia Obs Used59
Oppositions9
Arc Total1998-2017
First Observation Used1998-09-28
Last Observation Used2024-12-09
Observations (1949)
Date Type RA Dec Mag Band Observatory
2007-05-14 03:10:39 C 10 49 14.24 +05 52 30.8 r H51
2007-05-14 04:36:33 C 10 49 27.84 +05 57 36.4 17.0 c 704
2007-05-14 04:49:52 C 10 49 29.89 +05 58 23.1 17.3 c 704
2007-05-14 05:03:13 C 10 49 31.97 +05 59 09.8 17.4 c 704
2007-05-14 05:16:32 C 10 49 34.04 +05 59 56.7 17.7 c 704
2007-05-14 05:29:52 C 10 49 36.13 +06 00 43.5 17.6 c 704
2007-05-14 11:13:31 C 10 50 31.55 +06 20 44.9 r 379
2007-05-14 11:20:55 C 10 50 32.69 +06 21 11.0 r 379
2007-05-14 11:25:08 C 10 50 33.34 +06 21 25.8 r 379
2007-05-14 11:29:19 C 10 50 34.03 +06 21 40.3 r 379
2007-05-14 11:31:25 C 10 50 34.32 +06 21 47.5 r 379
2007-05-14 11:33:31 C 10 50 34.66 +06 21 54.9 r 379
2007-05-14 11:55:45 C 10 50 38.08 +06 23 12.6 r 379
2007-05-14 12:02:04 C 10 50 39.08 +06 23 34.2 r 379
2007-05-14 12:04:09 C 10 50 39.41 +06 23 41.7 r 379
2007-05-15 11:46:51 C 10 54 25.58 +07 44 46.2 r 379
2007-05-15 11:48:57 C 10 54 25.88 +07 44 52.9 r 379
2007-05-15 11:55:14 C 10 54 26.80 +07 45 14.7 r 379
2007-05-17 11:42:00 C 11 01 56.74 +10 19 54.0 r 379
2007-05-17 11:44:07 C 11 01 57.11 +10 20 00.4 r 379
2007-05-17 11:46:14 C 11 01 57.38 +10 20 06.3 r 379
2007-05-17 11:50:26 C 11 01 57.99 +10 20 20.0 r 379
2007-05-17 12:03:19 C 11 02 00.01 +10 21 00.4 r 379
2007-05-17 12:07:32 C 11 02 00.64 +10 21 12.9 r 379
2007-05-17 12:11:45 C 11 02 01.21 +10 21 25.9 r 379
2007-05-17 19:30:24 C 11 03 09.63 +10 44 04.2 i 071
2007-05-17 19:35:30 C 11 03 10.30 +10 44 17.1 i 071
2007-05-17 19:39:32 C 11 03 10.83 +10 44 29.8 i 071
2007-05-17 19:43:14 C 11 03 11.37 +10 44 38.8 i 071
2007-05-17 22:56:49 C 11 03 41.30 +10 54 31.1 c J69
2007-05-17 22:58:22 C 11 03 41.54 +10 54 36.6 c J69
2007-05-17 22:59:55 C 11 03 41.75 +10 54 40.7 c J69
2007-05-18 20:02:36 C 11 06 57.03 +11 57 56.4 o 151
2007-05-18 20:05:19 C 11 06 57.46 +11 58 04.3 o 151
2007-05-18 20:09:22 C 11 06 58.03 +11 58 15.4 r 113
2007-05-18 20:11:43 C 11 06 58.38 +11 58 22.1 r 113
2007-05-18 20:14:04 C 11 06 58.73 +11 58 29.3 r 113
2007-05-18 20:16:26 C 11 06 59.08 +11 58 36.1 r 113
2007-05-18 20:18:47 C 11 06 59.43 +11 58 43.0 r 113
2007-05-18 20:53:14 C 11 07 04.59 +12 00 25.6 16.9 r 130
2007-05-18 20:55:24 C 11 07 04.92 +12 00 32.4 17.0 r 130
2007-05-18 20:58:18 C 11 07 05.37 +12 00 40.8 16.9 r 130
2007-05-18 21:01:54 C 11 07 05.89 +12 00 51.4 17.2 r 130
2007-05-19 05:12:52 C 11 08 20.90 +12 24 50.7 r H45
2007-05-19 05:14:22 C 11 08 21.13 +12 24 55.0 r H45
2007-05-19 05:15:38 C 11 08 21.33 +12 24 58.9 r H45
2007-05-19 05:16:55 C 11 08 21.50 +12 25 02.0 r H45
2007-05-19 05:18:16 C 11 08 21.72 +12 25 06.5 r H45
2007-05-19 05:20:19 C 11 08 22.02 +12 25 11.9 r H45
2007-05-19 20:08:10 C 11 10 38.33 +13 07 36.4 o 151