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
2007-05-19 20:08:51 C 11 10 38.43 +13 07 38.7 o 151
2007-05-19 20:09:31 C 11 10 38.53 +13 07 40.8 o 151
2007-05-19 20:10:12 C 11 10 38.63 +13 07 42.7 o 151
2007-05-19 20:10:52 C 11 10 38.73 +13 07 44.6 o 151
2007-05-19 20:11:34 C 11 10 38.83 +13 07 46.6 o 151
2007-05-19 20:12:14 C 11 10 38.93 +13 07 48.4 o 151
2007-05-20 04:20:01 C 11 11 52.75 +13 30 42.8 r H45
2007-05-20 04:24:31 C 11 11 53.41 +13 30 55.5 r H45
2007-05-20 04:26:18 C 11 11 53.67 +13 31 00.6 r H45
2007-05-20 04:27:21 C 11 11 53.83 +13 31 03.8 r H45
2007-05-20 04:29:12 C 11 11 54.10 +13 31 08.4 r H45
2007-05-20 11:20:26 C 11 12 56.95 +13 50 10.7 r 379
2007-05-20 11:24:39 C 11 12 57.55 +13 50 22.2 r 379
2007-05-20 21:44:42 C 11 14 30.66 +14 18 23.2 c A65
2007-05-20 21:52:58 C 11 14 32.22 +14 18 51.4 c A65
2007-05-20 22:03:00 C 11 14 33.71 +14 19 22.5 c A65
2007-05-21 04:15:44 C 11 15 29.89 +14 36 07.1 r H45
2007-05-21 04:17:38 C 11 15 30.20 +14 36 12.0 r H45
2007-05-21 04:18:27 C 11 15 30.31 +14 36 14.2 r H45
2007-05-21 04:20:19 C 11 15 30.58 +14 36 19.1 r H45
2007-05-21 04:23:13 C 11 15 31.00 +14 36 27.2 r H45
2007-05-21 10:58:47 C 11 16 31.00 +14 54 00.2 r 379
2007-05-21 11:16:31 C 11 16 33.57 +14 54 46.7 r 379
2007-05-21 11:20:44 C 11 16 34.17 +14 54 57.9 r 379
2007-05-21 11:39:23 C 11 16 36.90 +14 55 46.9 r 379
2007-05-21 11:45:42 C 11 16 37.83 +14 56 04.0 r 379
2007-05-24 05:25:17 C 11 26 21.38 +17 39 15.6 r H45
2007-05-24 05:27:18 C 11 26 21.63 +17 39 20.9 r H45
2007-05-24 05:28:03 C 11 26 21.73 +17 39 22.7 r H45
2007-05-24 05:28:50 C 11 26 21.87 +17 39 24.1 r H45
2007-05-24 05:30:46 C 11 26 22.15 +17 39 28.4 r H45
2007-06-01 03:52:43 C 11 53 12.35 +23 50 36.9 r H51
2007-06-01 03:55:07 C 11 53 12.66 +23 50 40.5 r H51
2007-06-01 03:57:27 C 11 53 13.02 +23 50 44.4 r H51
2007-06-01 03:59:44 C 11 53 13.28 +23 50 48.1 r H51
2007-06-01 04:02:03 C 11 53 13.67 +23 50 52.2 r H51
2007-06-01 04:04:22 C 11 53 13.91 +23 50 54.8 r H51
2007-06-01 04:08:59 C 11 53 14.54 +23 51 02.6 r H51
2007-06-01 04:11:16 C 11 53 14.88 +23 51 05.9 r H51
2007-06-01 04:13:35 C 11 53 15.17 +23 51 09.6 r H51
2007-06-04 03:01:46 C 12 02 43.82 +25 36 21.1 r H45
2007-06-04 03:03:38 C 12 02 44.04 +25 36 24.1 r H45
2007-06-04 03:04:57 C 12 02 44.22 +25 36 26.1 r H45
2007-06-04 03:06:04 C 12 02 44.35 +25 36 27.5 r H45
2007-06-04 03:07:03 C 12 02 44.49 +25 36 28.5 r H45
2007-06-04 03:07:49 C 12 02 44.58 +25 36 29.6 r H45
2007-06-06 03:14:02 C 12 09 02.02 +26 39 24.0 r H45
2007-06-06 03:15:13 C 12 09 02.17 +26 39 25.4 r H45
2007-06-06 03:17:09 C 12 09 02.45 +26 39 28.1 r H45
2007-06-06 03:18:26 C 12 09 02.60 +26 39 29.4 r H45