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
2024-07-04 07:06:14 C 13 56 31.642 +38 50 05.03 V T05
2024-07-04 07:26:40 C 13 56 33.461 +38 50 04.81 V T05
2024-07-04 07:53:51 C 13 56 35.918 +38 50 04.52 V T08
2024-07-04 07:58:02 C 13 56 36.302 +38 50 04.13 V T08
2024-07-04 08:05:40 C 13 56 36.982 +38 50 04.02 V T08
2024-07-04 08:20:26 C 13 56 38.340 +38 50 03.95 V T08
2024-07-05 08:00:32 C 13 58 50.911 +38 49 51.35 V T08
2024-07-05 08:05:12 C 13 58 51.358 +38 49 50.84 V T08
2024-07-05 08:24:23 C 13 58 53.088 +38 49 50.16 V T08
2024-07-05 08:50:05 C 13 58 55.421 +38 49 49.01 V T08
2024-07-06 06:55:30 C 14 00 59.364 +38 49 16.03 V T08
2024-07-06 07:00:21 C 14 00 59.774 +38 49 15.71 V T08
2024-07-06 07:09:36 C 14 01 00.634 +38 49 15.31 V T08
2024-07-06 07:24:57 C 14 01 01.980 +38 49 14.66 V T08
2024-07-06 08:30:00 C 14 01 07.882 +38 49 11.17 V T05
2024-07-06 08:34:00 C 14 01 08.254 +38 49 10.81 V T05
2024-07-06 08:44:30 C 14 01 09.204 +38 49 10.34 V T05
2024-07-06 08:59:57 C 14 01 10.685 +38 49 09.08 V T05
2024-07-08 06:52:44 C 14 05 27.502 +38 46 48.76 V T05
2024-07-08 06:57:26 C 14 05 27.895 +38 46 48.32 V T05
2024-07-08 07:04:54 C 14 05 28.603 +38 46 47.64 V T05
2024-07-08 07:22:19 C 14 05 30.139 +38 46 46.67 V T05
2024-07-09 06:57:57 C 14 07 42.118 +38 45 00.11 V T08
2024-07-09 07:06:45 C 14 07 42.888 +38 44 59.06 V T08
2024-07-09 07:07:31 C 14 07 42.934 +38 44 59.10 V T08
2024-07-09 07:17:31 C 14 07 43.843 +38 44 58.13 V T08
2024-07-09 07:38:03 C 14 07 45.665 +38 44 55.86 V T08
2024-07-09 07:40:50 C 14 07 45.950 +38 44 55.93 V T08
2024-07-10 07:15:48 C 14 09 57.802 +38 42 46.98 V T05
2024-07-10 07:20:22 C 14 09 58.274 +38 42 46.87 V T05
2024-07-10 07:35:21 C 14 09 59.563 +38 42 45.04 V T05
2024-07-10 07:44:55 C 14 10 00.494 +38 42 44.21 V T05
2024-07-12 18:24:46 C 14 15 28.477 +38 35 53.32 W M01
2024-07-12 20:25:47 C 14 15 39.517 +38 35 35.31 W M01
2024-07-14 08:07:51 C 14 18 59.251 +38 30 27.61 V T05
2024-07-14 08:21:56 C 14 19 00.427 +38 30 24.55 V T05
2024-07-14 08:27:50 C 14 19 01.003 +38 30 23.98 V T05
2024-07-14 09:00:09 C 14 19 03.994 +38 30 18.90 V T05
2024-07-15 08:45:27 C 14 21 16.910 +38 26 27.53 V T05
2024-07-15 08:52:13 C 14 21 17.513 +38 26 26.34 V T05
2024-07-15 08:59:38 C 14 21 18.209 +38 26 25.22 V T05
2024-07-15 09:19:04 C 14 21 19.978 +38 26 21.70 V T05
2024-07-16 06:46:00 C 14 23 20.554 +38 22 37.09 V T05
2024-07-16 06:51:00 C 14 23 20.911 +38 22 39.29 V T05
2024-07-16 06:59:46 C 14 23 21.715 +38 22 37.52 V T05
2024-07-16 07:21:08 C 14 23 23.594 +38 22 33.10 V T05
2024-07-16 07:52:26 C 14 23 26.426 +38 22 27.48 V T08
2024-07-16 07:57:07 C 14 23 26.918 +38 22 27.01 V T08
2024-07-16 08:05:46 C 14 23 27.658 +38 22 24.49 V T08
2024-07-16 08:24:15 C 14 23 29.318 +38 22 21.83 V T08