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
2024-06-23 07:52:01 C 13 31 42.082 +38 19 58.44 V T08
2024-06-23 07:56:41 C 13 31 42.502 +38 19 59.59 V T08
2024-06-23 08:07:20 C 13 31 43.488 +38 20 01.46 V T08
2024-06-23 08:34:47 C 13 31 46.008 +38 20 08.02 V T08
2024-06-23 19:39:43 C 13 32 49.72 +38 22 40.7 V C40
2024-06-23 19:43:26 C 13 32 50.12 +38 22 41.5 V C40
2024-06-23 19:50:53 C 13 32 50.83 +38 22 42.9 V C40
2024-06-23 19:58:22 C 13 32 51.54 +38 22 44.7 V C40
2024-06-23 20:02:05 C 13 32 51.82 +38 22 46.0 V C40
2024-06-23 20:05:48 C 13 32 52.22 +38 22 46.3 V C40
2024-06-24 07:05:08 C 13 33 55.344 +38 25 21.11 V T08
2024-06-24 07:11:05 C 13 33 55.879 +38 25 22.01 V T08
2024-06-24 07:18:53 C 13 33 56.614 +38 25 23.66 V T08
2024-06-24 07:23:32 C 13 33 57.036 +38 25 24.71 V T08
2024-06-24 07:27:38 C 13 33 57.391 +38 25 25.54 V T08
2024-06-24 07:33:33 C 13 33 57.946 +38 25 26.47 V T08
2024-06-25 08:11:35 C 13 36 18.544 +38 30 28.27 X F51
2024-06-25 08:28:20 C 13 36 20.087 +38 30 31.25 X F51
2024-06-25 08:45:06 C 13 36 21.630 +38 30 34.11 X F51
2024-06-25 09:01:51 C 13 36 23.169 +38 30 36.92 X F51
2024-06-26 07:10:04 C 13 38 29.628 +38 34 37.49 V T05
2024-06-26 07:14:07 C 13 38 29.978 +38 34 37.92 V T05
2024-06-26 07:21:58 C 13 38 30.701 +38 34 39.14 V T05
2024-06-26 07:38:50 C 13 38 32.237 +38 34 41.92 V T05
2024-06-28 07:30:31 C 13 43 03.703 +38 41 36.89 V T08
2024-06-28 07:36:13 C 13 43 04.210 +38 41 37.75 V T08
2024-06-28 07:43:57 C 13 43 04.922 +38 41 38.40 V T08
2024-06-28 08:17:29 C 13 43 07.985 +38 41 41.82 V T08
2024-06-28 08:29:56 C 13 43 09.122 +38 41 42.97 V T05
2024-06-28 08:34:04 C 13 43 09.497 +38 41 43.19 V T05
2024-06-28 08:47:58 C 13 43 10.776 +38 41 44.84 V T05
2024-06-28 09:08:02 C 13 43 12.617 +38 41 46.82 V T05
2024-06-30 07:20:43 C 13 47 33.814 +38 46 22.87 V T05
2024-06-30 07:24:48 C 13 47 34.159 +38 46 23.27 V T05
2024-06-30 07:33:50 C 13 47 34.973 +38 46 24.10 V T05
2024-06-30 08:05:56 C 13 47 37.891 +38 46 25.97 V T05
2024-06-30 20:48:42 C 13 48 49.565 +38 47 17.23 V B38
2024-06-30 20:57:02 C 13 48 50.342 +38 47 17.66 V B38
2024-06-30 21:06:33 C 13 48 51.250 +38 47 18.10 V B38
2024-06-30 21:16:01 C 13 48 52.099 +38 47 18.64 V B38
2024-07-01 08:14:01 C 13 49 53.702 +38 48 03.46 V T08
2024-07-01 08:18:40 C 13 49 54.098 +38 48 03.71 V T08
2024-07-01 08:26:59 C 13 49 54.871 +38 48 04.28 V T08
2024-07-01 08:53:26 C 13 49 57.319 +38 48 04.93 V T08
2024-07-03 08:16:27 C 13 54 23.446 +38 49 51.06 V T05
2024-07-03 08:21:01 C 13 54 23.875 +38 49 51.35 V T05
2024-07-03 08:28:54 C 13 54 24.600 +38 49 51.35 V T05
2024-07-03 08:44:30 C 13 54 26.030 +38 49 51.06 V T05
2024-07-04 06:51:48 C 13 56 30.338 +38 50 04.81 V T05
2024-07-04 06:56:43 C 13 56 30.792 +38 50 04.99 V T05