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
2007-05-04 11:48:41 C 10 10 52.86 -09 39 40.9 m 300
2007-05-04 11:53:15 C 10 10 53.59 -09 39 20.6 m 300
2007-05-04 11:56:47 C 10 10 54.15 -09 39 04.7 m 300
2007-05-04 11:57:56 C 10 10 54.34 -09 38 59.7 m 300
2007-05-05 20:45:39 C 10 16 29.23 -07 15 15.6 r A81
2007-05-05 20:53:37 C 10 16 30.55 -07 14 41.0 r A81
2007-05-05 21:02:07 C 10 16 31.95 -07 14 04.0 r A81
2007-05-05 23:14:29 C 10 16 55.37 -07 04 01.5 r 808
2007-05-05 23:23:59 C 10 16 56.96 -07 03 20.5 r 808
2007-05-05 23:33:30 C 10 16 58.42 -07 02 40.5 r 808
2007-05-05 23:42:59 C 10 17 00.01 -07 02 00.1 r 808
2007-05-07 11:08:02 C 10 22 58.25 -04 30 46.5 r 379
2007-05-07 11:10:08 C 10 22 58.59 -04 30 37.4 r 379
2007-05-07 11:14:21 C 10 22 59.30 -04 30 19.7 r 379
2007-05-07 11:16:27 C 10 22 59.65 -04 30 11.1 r 379
2007-05-07 11:18:33 C 10 22 59.97 -04 30 02.2 r 379
2007-05-07 11:30:39 C 10 23 01.92 -04 29 11.3 r 379
2007-05-07 11:39:02 C 10 23 03.26 -04 28 34.9 r 379
2007-05-07 11:41:09 C 10 23 03.62 -04 28 26.3 r 379
2007-05-07 11:43:15 C 10 23 03.96 -04 28 17.3 r 379
2007-05-07 11:57:54 C 10 23 06.37 -04 27 16.0 r 379
2007-05-07 19:46:56 C 10 24 25.31 -03 54 26.3 o 434
2007-05-07 19:50:26 C 10 24 25.94 -03 54 10.8 o 434
2007-05-07 19:52:59 C 10 24 26.32 -03 54 00.1 o 434
2007-05-07 19:56:03 C 10 24 26.83 -03 53 47.1 o 434
2007-05-10 19:59:40 C 10 36 24.09 +00 58 15.1 r 473
2007-05-10 20:01:14 C 10 36 24.34 +00 58 21.3 r 473
2007-05-10 20:01:52 C 10 36 24.43 +00 58 23.7 r 473
2007-05-11 03:33:42 C 10 37 38.73 +01 27 43.2 17.1 c 704
2007-05-11 03:46:13 C 10 37 40.70 +01 28 31.7 17.2 c 704
2007-05-11 03:58:28 C 10 37 42.63 +01 29 19.0 17.2 c 704
2007-05-11 04:10:39 C 10 37 44.47 +01 30 06.2 17.3 c 704
2007-05-11 04:23:21 C 10 37 46.55 +01 30 55.0 17.3 c 704
2007-05-12 03:50:08 C 10 41 36.27 +03 00 13.7 o 699
2007-05-12 04:16:25 C 10 41 40.40 +03 01 52.5 o 699
2007-05-12 04:42:38 C 10 41 44.55 +03 03 30.7 o 699
2007-05-12 05:08:52 C 10 41 48.70 +03 05 09.3 o 699
2007-05-12 20:46:51 C 10 44 20.81 +04 03 06.1 17.1 r 130
2007-05-12 20:51:55 C 10 44 21.64 +04 03 24.5 16.9 r 130
2007-05-12 20:56:58 C 10 44 22.43 +04 03 43.1 16.9 r 130
2007-05-12 21:04:59 C 10 44 23.66 +04 04 12.9 16.7 r 130
2007-05-14 02:49:43 C 10 49 10.96 +05 51 19.1 r H51
2007-05-14 02:52:08 C 10 49 11.35 +05 51 25.7 r H51
2007-05-14 02:54:28 C 10 49 11.74 +05 51 35.9 r H51
2007-05-14 02:56:45 C 10 49 12.10 +05 51 42.4 r H51
2007-05-14 02:59:04 C 10 49 12.46 +05 51 50.5 r H51
2007-05-14 03:01:23 C 10 49 12.78 +05 51 58.7 r H51
2007-05-14 03:03:42 C 10 49 13.22 +05 52 07.6 r H51
2007-05-14 03:06:02 C 10 49 13.53 +05 52 14.9 r H51
2007-05-14 03:08:20 C 10 49 13.87 +05 52 22.4 r H51