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
2024-06-11 20:41:23 C 13 04 42.58 +36 22 38.6 V C40
2024-06-11 20:48:27 C 13 04 43.30 +36 22 43.1 V C40
2024-06-11 20:55:31 C 13 04 43.97 +36 22 47.3 V C40
2024-06-12 06:32:05 C 13 05 42.004 +36 28 55.67 V 703
2024-06-12 06:35:08 C 13 05 42.270 +36 28 57.36 V 703
2024-06-12 06:38:10 C 13 05 42.601 +36 28 58.91 V 703
2024-06-12 06:41:13 C 13 05 42.882 +36 29 00.49 V 703
2024-06-12 07:15:44 C 13 05 46.855 +36 29 27.64 V T05
2024-06-12 07:31:38 C 13 05 48.382 +36 29 37.36 V T05
2024-06-12 07:36:11 C 13 05 48.814 +36 29 40.24 V T05
2024-06-12 07:44:14 C 13 05 49.574 +36 29 45.10 V T05
2024-06-13 04:16:27 C 13 07 53.476 +36 42 05.87 V G96
2024-06-13 04:23:48 C 13 07 54.167 +36 42 10.26 V G96
2024-06-13 04:31:11 C 13 07 54.880 +36 42 14.54 V G96
2024-06-13 04:38:33 C 13 07 55.571 +36 42 18.65 V G96
2024-06-14 07:15:18 C 13 10 35.110 +36 57 18.54 V T05
2024-06-14 07:20:45 C 13 10 35.626 +36 57 21.35 V T05
2024-06-14 07:31:30 C 13 10 36.674 +36 57 27.04 V T05
2024-06-14 07:55:20 C 13 10 38.930 +36 57 39.49 V T05
2024-06-14 08:00:43 C 13 10 39.406 +36 57 42.30 V T08
2024-06-14 08:07:00 C 13 10 40.025 +36 57 46.01 V T08
2024-06-14 08:17:49 C 13 10 40.746 +36 57 44.06 V 703
2024-06-14 08:20:44 C 13 10 41.052 +36 57 45.94 V 703
2024-06-14 08:23:38 C 13 10 41.308 +36 57 47.56 V 703
2024-06-14 08:25:22 C 13 10 41.796 +36 57 55.26 V T08
2024-06-14 08:26:32 C 13 10 41.588 +36 57 48.28 V 703
2024-06-14 08:50:08 C 13 10 44.172 +36 58 08.11 V T08
2024-06-14 20:56:24 C 13 11 56.633 +37 04 25.64 V B38
2024-06-14 21:05:43 C 13 11 57.504 +37 04 30.50 V B38
2024-06-14 21:12:42 C 13 11 58.195 +37 04 34.46 V B38
2024-06-14 21:18:46 C 13 11 58.783 +37 04 37.63 V B38
2024-06-14 21:24:41 C 13 11 59.323 +37 04 39.86 V B38
2024-06-15 06:36:11 C 13 12 53.795 +37 09 21.49 V 703
2024-06-15 06:39:33 C 13 12 54.104 +37 09 24.26 V 703
2024-06-15 06:42:55 C 13 12 54.443 +37 09 25.27 V 703
2024-06-15 06:46:17 C 13 12 54.738 +37 09 26.57 V 703
2024-06-15 07:51:01 C 13 13 01.483 +37 10 03.79 V T08
2024-06-15 08:02:33 C 13 13 02.585 +37 10 09.70 V T08
2024-06-15 08:36:52 C 13 13 05.858 +37 10 26.04 V T08
2024-06-16 05:16:15 C 13 15 08.492 +37 20 20.94 V 703
2024-06-16 05:19:33 C 13 15 08.766 +37 20 22.13 V 703
2024-06-16 05:22:51 C 13 15 09.097 +37 20 23.86 V 703
2024-06-16 05:26:09 C 13 15 09.392 +37 20 24.90 V 703
2024-06-16 08:04:42 C 13 15 25.073 +37 21 41.72 V T05
2024-06-16 08:06:00 C 13 15 25.202 +37 21 42.12 V T05
2024-06-16 08:09:17 C 13 15 25.514 +37 21 43.78 V T05
2024-06-16 08:10:36 C 13 15 25.634 +37 21 44.32 V T05
2024-06-16 08:17:10 C 13 15 26.266 +37 21 47.12 V T05
2024-06-16 08:19:50 C 13 15 26.549 +37 21 48.60 V T05
2024-06-16 08:32:27 C 13 15 27.710 +37 21 53.89 V T05