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
2024-08-07 07:13:54 C 15 13 28.886 +35 45 16.49 V T05
2024-08-08 06:02:05 C 15 15 42.346 +35 36 05.15 V T05
2024-08-08 06:06:39 C 15 15 42.737 +35 36 03.02 V T05
2024-08-08 06:11:51 C 15 15 43.214 +35 36 01.44 V T05
2024-08-08 06:14:27 C 15 15 43.526 +35 35 59.86 V T05
2024-08-08 06:16:24 C 15 15 43.596 +35 35 58.45 V T05
2024-08-08 06:24:15 C 15 15 44.414 +35 35 54.20 V T05
2024-08-08 06:45:29 C 15 15 46.454 +35 35 47.11 V T05
2024-08-10 06:40:40 C 15 20 27.833 +35 15 55.55 V T08
2024-08-10 06:46:00 C 15 20 28.363 +35 15 52.45 V T08
2024-08-10 07:11:34 C 15 20 30.823 +35 15 42.12 V T08
2024-08-10 07:16:15 C 15 20 31.286 +35 15 39.71 V T08
2024-08-10 07:19:34 C 15 20 31.555 +35 15 38.20 V T08
2024-08-10 07:20:54 C 15 20 31.709 +35 15 37.91 V T08
2024-08-10 07:39:12 C 15 20 33.458 +35 15 29.99 V T08
2024-08-10 08:19:18 C 15 20 37.366 +35 15 11.56 V T08
2024-08-11 07:13:32 C 15 22 52.570 +35 05 27.96 V T05
2024-08-11 07:33:41 C 15 22 54.502 +35 05 19.50 V T05
2024-08-11 07:41:34 C 15 22 55.226 +35 05 15.29 V T05
2024-08-11 07:46:09 C 15 22 55.730 +35 05 12.80 V T05
2024-08-13 07:24:23 C 15 27 37.927 +34 44 27.13 V T08
2024-08-13 07:29:55 C 15 27 38.609 +34 44 24.32 V T08
2024-08-13 07:41:27 C 15 27 39.766 +34 44 19.07 V T08
2024-08-13 08:09:13 C 15 27 42.418 +34 44 05.71 V T08
2024-08-16 06:51:51 C 15 34 44.707 +34 12 04.86 V T05
2024-08-16 06:52:31 C 15 34 44.796 +34 12 04.97 V T05
2024-08-16 07:05:45 C 15 34 46.138 +34 11 57.95 V T05
2024-08-16 07:20:44 C 15 34 47.599 +34 11 51.18 V T05
2024-08-23 06:31:44 C 15 51 41.323 +32 50 50.78 V T05
2024-08-23 06:36:17 C 15 51 41.818 +32 50 48.55 V T05
2024-08-23 06:44:45 C 15 51 42.665 +32 50 44.02 V T05
2024-08-23 06:59:07 C 15 51 44.047 +32 50 37.21 V T05
2024-09-05 03:24:51 C 16 23 55.658 +30 04 24.42 V G96
2024-09-05 03:33:00 C 16 23 56.508 +30 04 19.78 V G96
2024-09-05 03:41:11 C 16 23 57.372 +30 04 15.24 V G96
2024-09-10 05:51:01 C 16 37 05.648 +28 53 45.79 X F52
2024-09-10 06:09:18 C 16 37 07.595 +28 53 34.93 X F52
2024-09-10 06:27:27 C 16 37 09.535 +28 53 24.11 X F52
2024-09-19 08:02:02 C 17 01 03.675 +26 43 26.53 X F52
2024-09-19 08:18:17 C 17 01 05.476 +26 43 16.37 X F52
2024-09-19 08:34:43 C 17 01 07.308 +26 43 06.33 X F52
2024-09-23 02:19:10 C 17 11 09.517 +25 48 22.72 V G96
2024-09-23 02:26:33 C 17 11 10.324 +25 48 18.29 V G96
2024-09-23 02:33:56 C 17 11 11.148 +25 48 13.57 V G96
2024-09-23 02:41:19 C 17 11 11.972 +25 48 09.22 V G96
2024-12-09 04:57:27 C 20 46 08.821 +10 51 01.18 X F52
2024-12-09 05:05:06 C 20 46 09.678 +10 50 59.25 X F52
2024-12-09 05:12:49 C 20 46 10.538 +10 50 57.43 X F52
2024-12-09 05:20:27 C 20 46 11.386 +10 50 55.58 X F52