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
2024-07-18 07:03:21 C 14 27 51.065 +38 13 23.34 V T08
2024-07-18 07:07:46 C 14 27 51.446 +38 13 22.08 V T08
2024-07-18 07:17:12 C 14 27 52.296 +38 13 20.10 V T08
2024-07-18 07:38:44 C 14 27 54.214 +38 13 16.18 V T08
2024-07-18 07:55:25 C 14 27 55.812 +38 13 12.14 V T05
2024-07-18 07:59:59 C 14 27 56.138 +38 13 10.99 V T05
2024-07-18 08:07:52 C 14 27 56.930 +38 13 09.23 V T05
2024-07-18 08:27:21 C 14 27 58.642 +38 13 04.44 V T05
2024-07-22 06:40:55 C 14 36 48.602 +37 51 39.85 V T08
2024-07-22 06:49:32 C 14 36 49.308 +37 51 38.09 V T08
2024-07-22 06:55:03 C 14 36 49.920 +37 51 35.82 V T08
2024-07-22 07:10:03 C 14 36 51.221 +37 51 32.04 V T08
2024-07-26 07:04:13 C 14 45 53.105 +37 25 32.70 V T08
2024-07-26 07:37:16 C 14 45 56.165 +37 25 22.91 V T08
2024-07-26 08:02:01 C 14 45 58.450 +37 25 14.70 V T08
2024-07-26 08:21:35 C 14 46 00.228 +37 25 09.44 V T08
2024-07-29 07:57:40 C 14 52 47.350 +37 03 10.30 V T08
2024-07-29 08:12:06 C 14 52 48.694 +37 03 05.04 V T08
2024-07-29 08:16:47 C 14 52 49.133 +37 03 03.78 V T08
2024-07-29 08:26:38 C 14 52 50.069 +37 03 00.11 V T08
2024-08-02 07:47:01 C 15 01 56.366 +36 30 34.20 V T08
2024-08-02 07:47:41 C 15 01 56.422 +36 30 33.19 V T08
2024-08-02 07:51:41 C 15 01 56.779 +36 30 31.64 V T08
2024-08-02 07:52:21 C 15 01 56.858 +36 30 31.39 V T08
2024-08-02 07:59:41 C 15 01 57.566 +36 30 28.15 V T08
2024-08-02 08:00:20 C 15 01 57.581 +36 30 28.15 V T08
2024-08-02 08:20:43 C 15 01 59.501 +36 30 20.52 V T08
2024-08-03 06:39:08 C 15 04 08.357 +36 22 17.40 V T08
2024-08-03 06:44:07 C 15 04 08.782 +36 22 14.99 V T08
2024-08-03 07:06:57 C 15 04 10.954 +36 22 06.64 V T08
2024-08-03 07:31:29 C 15 04 13.253 +36 21 57.20 V T08
2024-08-03 07:54:24 C 15 04 15.454 +36 21 47.74 V T05
2024-08-03 07:59:00 C 15 04 15.852 +36 21 46.87 V T05
2024-08-03 08:07:36 C 15 04 16.666 +36 21 42.95 V T05
2024-08-03 08:22:43 C 15 04 18.110 +36 21 37.40 V T05
2024-08-04 07:00:51 C 15 06 29.174 +36 13 14.59 V T05
2024-08-04 07:06:06 C 15 06 29.614 +36 13 12.58 V T05
2024-08-04 07:28:37 C 15 06 31.829 +36 13 03.68 V T05
2024-08-04 07:37:06 C 15 06 32.506 +36 13 00.23 V T05
2024-08-05 07:31:03 C 15 08 50.995 +36 03 56.05 V T08
2024-08-05 07:36:23 C 15 08 51.511 +36 03 54.47 V T08
2024-08-05 07:44:49 C 15 08 52.339 +36 03 50.90 V T08
2024-08-05 08:01:06 C 15 08 53.911 +36 03 44.46 V T08
2024-08-06 07:00:48 C 15 11 07.723 +35 54 50.11 V T08
2024-08-06 07:05:29 C 15 11 08.086 +35 54 48.42 V T08
2024-08-06 07:12:51 C 15 11 08.890 +35 54 45.68 V T08
2024-08-06 07:28:05 C 15 11 10.308 +35 54 39.89 V T08
2024-08-07 06:35:42 C 15 13 25.282 +35 45 31.72 V T05
2024-08-07 06:39:42 C 15 13 25.591 +35 45 30.74 V T05
2024-08-07 06:58:26 C 15 13 27.442 +35 45 23.80 V T05