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
2013-10-05 06:33:02 C 23 13 04.293 +41 04 39.61 L F51
2013-10-05 06:41:25 C 23 13 03.940 +41 04 26.13 L F51
2013-10-13 03:05:15 C 23 07 11.62 +35 44 41.1 o 926
2013-10-13 03:31:26 C 23 07 10.97 +35 43 55.6 o 926
2013-10-13 03:57:29 C 23 07 10.26 +35 43 10.5 o 926
2013-10-13 04:38:40 C 23 07 09.22 +35 41 57.7 q 703
2013-10-13 04:47:13 C 23 07 09.06 +35 41 42.4 q 703
2013-10-13 04:55:44 C 23 07 08.73 +35 41 27.9 q 703
2013-10-13 05:04:26 C 23 07 08.54 +35 41 12.2 q 703
2013-10-17 02:07:14 C 23 05 24.10 +32 56 39.6 u H21
2013-10-17 02:12:37 C 23 05 24.01 +32 56 29.8 u H21
2013-10-17 02:17:57 C 23 05 23.94 +32 56 20.1 u H21
2013-10-17 02:23:11 C 23 05 23.84 +32 56 10.2 u H21
2013-10-20 01:38:38 C 23 04 33.59 +30 49 34.6 u H21
2013-10-20 01:42:30 C 23 04 33.54 +30 49 27.7 u H21
2013-10-20 01:46:21 C 23 04 33.55 +30 49 20.9 u H21
2013-10-20 01:50:13 C 23 04 33.48 +30 49 13.7 u H21
2013-11-02 03:40:34 C 23 05 35.02 +21 54 26.0 q G96
2013-11-02 03:51:01 C 23 05 35.15 +21 54 09.3 q G96
2013-11-02 04:01:28 C 23 05 35.27 +21 53 52.5 q G96
2013-11-02 04:11:55 C 23 05 35.40 +21 53 35.8 q G96
2013-11-04 04:54:57 C 23 06 22.45 +20 37 03.1 q 703
2013-11-04 05:05:09 C 23 06 22.61 +20 36 47.4 q 703
2013-11-04 05:15:22 C 23 06 22.79 +20 36 31.8 q 703
2013-11-04 05:25:33 C 23 06 22.98 +20 36 15.5 q 703
2013-11-19 01:30:08 C 23 16 17.32 +12 34 09.4 u H21
2013-11-19 01:35:53 C 23 16 17.50 +12 34 03.2 u H21
2013-11-19 01:41:28 C 23 16 17.73 +12 33 56.1 u H21
2013-11-20 00:57:26 C 23 17 09.50 +12 07 25.7 q I15
2013-11-20 01:12:26 C 23 17 10.03 +12 07 08.4 q I15
2013-11-20 01:21:48 C 23 17 10.37 +12 06 59.2 q I15
2013-11-25 10:18:17 C 23 22 22.13 +09 51 17.8 q D29
2013-11-25 10:42:37 C 23 22 23.15 +09 50 53.5 q D29
2013-11-25 11:06:58 C 23 22 24.14 +09 50 29.1 q D29
2013-12-03 02:02:43 C 23 30 48.76 +07 08 44.7 q 703
2013-12-03 02:09:16 C 23 30 49.08 +07 08 40.3 q 703
2013-12-03 02:18:04 C 23 30 49.47 +07 08 33.5 q 703
2013-12-03 02:25:28 C 23 30 49.89 +07 08 26.0 q 703
2013-12-08 01:09:56 C 23 36 51.48 +05 41 17.1 q 448
2013-12-08 01:36:41 C 23 36 52.94 +05 40 58.6 q 448
2013-12-08 02:09:44 C 23 36 54.62 +05 40 35.8 q 448
2014-01-04 02:26:11 C 00 15 27.77 +00 57 44.6 q G96
2014-01-04 02:33:02 C 00 15 28.17 +00 57 43.2 q G96
2014-01-04 02:39:54 C 00 15 28.59 +00 57 41.7 q G96
2014-01-04 02:46:46 C 00 15 29.03 +00 57 39.9 q G96
2014-01-24 05:22:41 C 00 48 29.387 -00 09 15.85 L F51
2014-01-24 05:30:37 C 00 48 29.941 -00 09 16.36 L F51
2014-01-24 05:38:31 C 00 48 30.498 -00 09 16.76 L F51
2014-01-24 05:46:26 C 00 48 31.061 -00 09 17.30 L F51
2015-09-25 05:44:48 C 01 52 01.86 +38 26 31.4 q 703