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
2024-06-07 21:13:06 C 12 54 57.49 +35 12 08.7 V C40
2024-06-07 21:19:28 C 12 54 58.14 +35 12 14.0 V C40
2024-06-07 21:25:49 C 12 54 58.78 +35 12 19.2 V C40
2024-06-07 21:32:11 C 12 54 59.44 +35 12 24.3 V C40
2024-06-08 06:50:04 C 12 55 56.971 +35 20 10.90 V 703
2024-06-08 06:53:03 C 12 55 57.292 +35 20 13.34 V 703
2024-06-08 06:56:02 C 12 55 57.605 +35 20 15.43 V 703
2024-06-08 06:59:01 C 12 55 57.864 +35 20 18.10 V 703
2024-06-08 20:33:59 B 12 57 22.197 +35 31 13.47 V L92
2024-06-08 20:36:33 C 12 57 22.25 +35 31 12.7 V C40
2024-06-08 20:43:35 C 12 57 22.96 +35 31 17.9 V C40
2024-06-08 20:44:05 B 12 57 23.145 +35 31 21.57 V L92
2024-06-08 20:50:39 C 12 57 23.64 +35 31 23.1 V C40
2024-06-08 20:54:11 B 12 57 24.200 +35 31 29.56 V L92
2024-06-08 20:57:43 C 12 57 24.37 +35 31 28.8 V C40
2024-06-08 21:04:47 C 12 57 25.09 +35 31 34.3 V C40
2024-06-08 21:11:50 C 12 57 25.81 +35 31 39.9 V C40
2024-06-08 21:25:56 C 12 57 27.23 +35 31 50.8 V C40
2024-06-08 21:32:59 C 12 57 27.92 +35 31 56.0 V C40
2024-06-09 07:30:46 C 12 58 29.659 +35 39 48.53 V T05
2024-06-09 07:34:55 C 12 58 30.060 +35 39 51.84 V T05
2024-06-09 07:49:48 C 12 58 31.510 +35 40 02.68 V T05
2024-06-09 08:00:00 C 12 58 32.515 +35 40 10.34 V T05
2024-06-10 06:36:38 C 13 00 50.850 +35 56 49.45 V 703
2024-06-10 06:39:55 C 13 00 51.134 +35 56 51.61 V 703
2024-06-10 06:43:12 C 13 00 51.469 +35 56 54.20 V 703
2024-06-10 06:46:29 C 13 00 51.772 +35 56 56.44 V 703
2024-06-10 07:03:57 C 13 00 54.122 +35 57 15.05 V T08
2024-06-10 07:09:16 C 13 00 54.631 +35 57 18.79 V T08
2024-06-10 07:26:52 C 13 00 56.350 +35 57 31.00 V T08
2024-06-10 07:49:42 C 13 00 58.570 +35 57 47.27 V T08
2024-06-10 21:07:56 C 13 02 19.48 +36 06 58.2 V C40
2024-06-10 21:13:14 C 13 02 20.02 +36 07 01.6 V C40
2024-06-10 21:18:31 C 13 02 20.53 +36 07 05.4 V C40
2024-06-10 21:23:48 C 13 02 21.08 +36 07 08.6 V C40
2024-06-10 21:29:06 C 13 02 21.60 +36 07 12.1 V C40
2024-06-10 21:34:24 C 13 02 22.13 +36 07 15.8 V C40
2024-06-10 21:39:40 C 13 02 22.64 +36 07 19.3 V C40
2024-06-10 21:44:58 C 13 02 23.17 +36 07 22.9 V C40
2024-06-10 21:50:16 C 13 02 23.70 +36 07 26.2 V C40
2024-06-11 07:22:09 C 13 03 22.109 +36 14 03.16 V T08
2024-06-11 07:30:14 C 13 03 22.879 +36 14 08.34 V T08
2024-06-11 07:50:43 C 13 03 24.854 +36 14 21.73 V T08
2024-06-11 08:18:34 C 13 03 27.566 +36 14 39.84 V T08
2024-06-11 19:58:58 C 13 04 38.39 +36 22 12.1 V C40
2024-06-11 20:06:01 C 13 04 39.09 +36 22 16.6 V C40
2024-06-11 20:13:06 C 13 04 39.78 +36 22 20.9 V C40
2024-06-11 20:20:11 C 13 04 40.48 +36 22 25.2 V C40
2024-06-11 20:27:16 C 13 04 41.17 +36 22 29.6 V C40
2024-06-11 20:34:20 C 13 04 41.86 +36 22 34.0 V C40