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
2024-06-01 08:05:03 C 12 38 19.865 +32 28 09.19 V T05
2024-06-01 08:12:54 C 12 38 20.669 +32 28 19.02 V T05
2024-06-01 08:27:20 C 12 38 22.178 +32 28 37.02 V T05
2024-06-02 07:49:26 C 12 40 53.863 +32 57 29.41 V T08
2024-06-02 08:01:51 C 12 40 55.150 +32 57 44.03 V T08
2024-06-02 08:11:49 C 12 40 56.165 +32 57 55.84 V T08
2024-06-02 08:47:44 C 12 40 59.885 +32 58 38.17 V T08
2024-06-02 22:29:14 B 12 42 28.32 +33 14 35.0 q Y84
2024-06-02 22:33:29 B 12 42 28.76 +33 14 39.7 q Y84
2024-06-02 22:37:39 B 12 42 29.18 +33 14 44.5 q Y84
2024-06-03 08:13:06 C 12 43 30.696 +33 25 48.25 V T08
2024-06-03 08:40:00 C 12 43 33.430 +33 26 18.13 V T08
2024-06-03 08:46:41 C 12 43 34.140 +33 26 25.15 V T08
2024-06-03 09:12:52 C 12 43 36.809 +33 26 54.13 V T08
2024-06-03 19:46:42 C 12 44 44.67 +33 38 29.2 V C40
2024-06-03 19:53:45 C 12 44 45.39 +33 38 36.8 V C40
2024-06-03 20:00:48 C 12 44 46.11 +33 38 44.3 V C40
2024-06-03 20:07:50 C 12 44 46.86 +33 38 51.8 V C40
2024-06-03 20:14:54 C 12 44 47.58 +33 38 59.4 V C40
2024-06-03 20:21:58 C 12 44 48.30 +33 39 07.0 V C40
2024-06-03 20:29:00 C 12 44 49.04 +33 39 14.5 V C40
2024-06-03 20:36:04 C 12 44 49.78 +33 39 22.1 V C40
2024-06-03 20:43:07 C 12 44 50.49 +33 39 29.6 V C40
2024-06-04 08:18:52 C 12 46 04.490 +33 52 03.36 V T05
2024-06-04 08:23:27 C 12 46 04.963 +33 52 08.00 V T05
2024-06-04 08:31:57 C 12 46 05.815 +33 52 17.00 V T05
2024-06-04 08:46:33 C 12 46 07.310 +33 52 32.20 V T05
2024-06-05 21:47:38 C 12 50 01.24 +34 29 34.4 V C40
2024-06-05 21:58:57 C 12 50 02.44 +34 29 44.9 V C40
2024-06-05 22:04:35 C 12 50 03.01 +34 29 50.3 V C40
2024-06-05 22:10:04 C 12 50 03.58 +34 29 55.4 V C40
2024-06-05 22:15:22 C 12 50 04.10 +34 30 00.1 V C40
2024-06-05 22:20:40 C 12 50 04.67 +34 30 05.0 V C40
2024-06-05 22:25:58 C 12 50 05.23 +34 30 10.2 V C40
2024-06-06 06:58:18 C 12 50 58.650 +34 38 18.71 V 703
2024-06-06 07:04:51 C 12 50 59.334 +34 38 25.04 V 703
2024-06-06 07:08:08 C 12 50 59.694 +34 38 28.25 V 703
2024-06-06 08:55:29 C 12 51 11.177 +34 40 12.22 V T08
2024-06-06 08:59:29 C 12 51 11.570 +34 40 15.71 V T08
2024-06-06 09:33:31 C 12 51 15.014 +34 40 46.24 V T08
2024-06-06 09:47:26 C 12 51 16.411 +34 40 58.84 V T08
2024-06-07 07:55:45 C 12 53 35.141 +35 00 54.76 V T08
2024-06-07 08:00:24 C 12 53 35.602 +35 00 58.61 V T08
2024-06-07 08:13:58 C 12 53 36.965 +35 01 10.31 V T08
2024-06-07 08:33:43 C 12 53 38.921 +35 01 27.37 V T08
2024-06-07 20:41:08 C 12 54 54.26 +35 11 42.5 V C40
2024-06-07 20:47:40 C 12 54 54.93 +35 11 47.9 V C40
2024-06-07 20:54:01 C 12 54 55.56 +35 11 53.3 V C40
2024-06-07 21:00:23 C 12 54 56.19 +35 11 58.3 V C40
2024-06-07 21:06:44 C 12 54 56.89 +35 12 03.7 V C40