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
2019-11-03 12:17:31 C 04 42 56.353 -08 58 18.46 U F51
2019-11-03 12:36:35 C 04 42 55.417 -08 58 51.42 U F51
2019-11-03 12:55:41 C 04 42 54.479 -08 59 24.42 U F51
2019-11-04 08:27:12 C 04 41 59.15 -09 33 11.4 V 703
2019-11-04 08:34:56 C 04 41 58.77 -09 33 23.6 V 703
2019-11-04 08:42:41 C 04 41 58.47 -09 33 37.4 V 703
2019-11-04 11:48:31 C 04 41 49.50 -09 38 56.5 V T08
2019-11-04 13:10:54 C 04 41 45.30 -09 41 19.1 V T08
2019-11-04 14:13:41 C 04 41 42.09 -09 43 06.9 V T08
2019-11-05 11:59:50 C 04 40 37.91 -10 20 40.5 V T08
2019-11-05 12:04:54 C 04 40 37.60 -10 20 49.2 V T08
2019-11-05 12:13:26 C 04 40 37.17 -10 21 04.4 V T08
2019-11-05 12:33:30 C 04 40 36.10 -10 21 39.0 V T08
2019-11-07 09:27:58 C 04 38 16.38 -11 38 47.6 V T05
2019-11-07 09:33:14 C 04 38 16.07 -11 38 57.0 V T05
2019-11-07 09:41:39 C 04 38 15.60 -11 39 11.5 V T05
2019-11-07 09:59:13 C 04 38 14.64 -11 39 41.8 V T05
2019-11-08 11:04:44 C 04 36 52.09 -12 22 31.7 V T08
2019-11-08 11:09:23 C 04 36 51.83 -12 22 39.5 V T08
2019-11-08 11:19:54 C 04 36 51.22 -12 22 57.3 V T08
2019-11-08 11:34:53 C 04 36 50.33 -12 23 23.0 V T08
2019-11-09 09:10:05 C 04 35 37.16 -13 00 03.5 V 703
2019-11-09 09:15:57 C 04 35 36.90 -13 00 12.9 V 703
2019-11-09 09:27:06 C 04 35 36.09 -13 00 30.9 V 703
2019-11-09 09:32:51 C 04 35 35.77 -13 00 41.2 V 703
2019-11-09 09:36:37 C 04 35 36.08 -13 00 45.3 V T08
2019-11-09 09:41:16 C 04 35 35.80 -13 00 53.4 V T08
2019-11-09 09:50:36 C 04 35 35.23 -13 01 09.2 V T08
2019-11-09 10:05:52 C 04 35 34.34 -13 01 36.6 V T08
2019-11-10 09:06:36 C 04 34 14.35 -13 40 22.0 V T05
2019-11-10 09:11:20 C 04 34 14.06 -13 40 30.4 V T05
2019-11-10 09:19:24 C 04 34 13.56 -13 40 43.2 V T05
2019-11-10 09:33:41 C 04 34 12.66 -13 41 07.9 V T05
2019-11-12 11:07:26 C 04 31 12.59 -15 03 33.1 V T08
2019-11-12 11:15:23 C 04 31 12.01 -15 03 45.8 V T08
2019-11-12 11:20:04 C 04 31 11.79 -15 03 54.6 V T08
2019-11-12 11:35:18 C 04 31 10.79 -15 04 19.1 V T08
2019-11-14 12:36:35 C 04 28 03.655 -16 24 01.62 U F52
2019-11-14 12:52:30 C 04 28 02.578 -16 24 27.13 U F52
2019-11-14 13:24:04 C 04 28 00.450 -16 25 17.66 U F52
2019-11-15 12:27:08 C 04 26 29.82 -17 02 01.7 V T05
2019-11-15 12:31:09 C 04 26 29.53 -17 02 08.6 V T05
2019-11-15 12:41:13 C 04 26 28.84 -17 02 24.1 V T05
2019-11-15 12:56:08 C 04 26 27.79 -17 02 47.9 V T05
2019-11-16 12:08:33 C 04 24 54.75 -17 39 14.2 V T08
2019-11-16 12:13:52 C 04 24 54.38 -17 39 22.8 V T08
2019-11-16 12:23:11 C 04 24 53.74 -17 39 37.6 V T08
2019-11-16 12:37:51 C 04 24 52.71 -17 40 00.1 V T08
2019-11-18 10:02:20 C 04 21 45.91 -18 49 38.6 V 703
2019-11-18 10:15:20 C 04 21 44.92 -18 49 58.8 V 703