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
2024-06-16 08:34:25 C 13 15 27.888 +37 21 54.61 V T05
2024-06-16 21:14:11 C 13 16 42.631 +37 27 32.18 V 434
2024-06-16 21:15:32 B 13 16 43.01 +37 27 33.6 V 130
2024-06-16 21:16:26 C 13 16 43.008 +37 27 33.77 V 434
2024-06-16 21:18:37 B 13 16 43.29 +37 27 34.7 V 130
2024-06-16 21:21:09 C 13 16 43.459 +37 27 35.68 V 434
2024-06-16 21:22:30 B 13 16 43.65 +37 27 36.3 V 130
2024-06-17 20:14:54 C 13 18 58.15 +37 37 19.5 V C40
2024-06-17 20:21:58 C 13 18 58.81 +37 37 22.6 V C40
2024-06-17 20:29:02 C 13 18 59.51 +37 37 25.0 V C40
2024-06-17 20:36:05 C 13 19 00.20 +37 37 27.8 V C40
2024-06-17 20:38:17 C 13 19 00.595 +37 37 29.78 V B38
2024-06-17 20:43:09 C 13 19 00.86 +37 37 30.4 V C40
2024-06-17 20:47:17 C 13 19 01.428 +37 37 34.36 V B38
2024-06-17 20:50:12 C 13 19 01.54 +37 37 33.2 V C40
2024-06-17 20:55:45 C 13 19 02.290 +37 37 36.80 V B38
2024-06-17 20:57:15 C 13 19 02.21 +37 37 36.0 V C40
2024-06-17 21:04:19 C 13 19 02.87 +37 37 38.8 V C40
2024-06-17 21:11:23 C 13 19 03.56 +37 37 41.3 V C40
2024-06-18 05:44:54 C 13 19 53.818 +37 41 11.51 V 703
2024-06-18 05:48:18 C 13 19 54.134 +37 41 13.20 V 703
2024-06-18 05:51:42 C 13 19 54.469 +37 41 14.35 V 703
2024-06-18 05:55:06 C 13 19 54.775 +37 41 15.90 V 703
2024-06-18 07:16:07 C 13 20 03.031 +37 41 51.97 V T05
2024-06-18 07:20:07 C 13 20 03.413 +37 41 53.12 V T05
2024-06-18 07:29:48 C 13 20 04.279 +37 41 56.83 V T05
2024-06-18 07:46:41 C 13 20 05.827 +37 42 02.81 V T05
2024-06-19 06:37:35 C 13 22 19.168 +37 50 36.28 V 703
2024-06-19 06:40:53 C 13 22 19.546 +37 50 37.21 V 703
2024-06-19 06:44:11 C 13 22 19.808 +37 50 38.08 V 703
2024-06-19 06:47:29 C 13 22 20.132 +37 50 39.80 V 703
2024-06-19 10:03:05 C 13 22 39.003 +37 51 51.41 X F51
2024-06-19 10:18:55 C 13 22 40.521 +37 51 56.70 X F51
2024-06-19 10:34:45 C 13 22 42.031 +37 52 01.91 X F51
2024-06-21 20:19:03 C 13 28 17.33 +38 10 28.8 V C40
2024-06-21 20:32:29 C 13 28 18.59 +38 10 32.2 V C40
2024-06-21 20:46:05 C 13 28 19.86 +38 10 35.6 V C40
2024-06-22 06:52:13 C 13 29 18.547 +38 13 32.34 V T05
2024-06-22 06:56:54 C 13 29 18.967 +38 13 33.02 V T05
2024-06-22 07:08:11 C 13 29 20.016 +38 13 36.19 V T05
2024-06-22 07:33:49 C 13 29 22.390 +38 13 43.57 V T05
2024-06-22 19:52:44 C 13 30 33.18 +38 16 52.2 V C40
2024-06-22 19:56:27 C 13 30 33.49 +38 16 53.2 V C40
2024-06-22 20:00:11 C 13 30 33.90 +38 16 54.4 V C40
2024-06-22 20:03:54 C 13 30 34.24 +38 16 54.9 V C40
2024-06-22 20:07:39 C 13 30 34.58 +38 16 56.1 V C40
2024-06-22 20:11:23 C 13 30 34.90 +38 16 56.9 V C40
2024-06-22 20:15:06 C 13 30 35.28 +38 16 57.8 V C40
2024-06-22 20:18:50 C 13 30 35.62 +38 16 58.3 V C40
2024-06-22 20:22:33 C 13 30 35.96 +38 16 59.7 V C40