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
2024-03-15 03:14:41 C 08 37 36.038 -71 57 47.09 V W68
2024-03-15 03:19:20 C 08 37 36.266 -71 57 43.74 V W68
2024-03-15 03:20:42 C 08 37 36.367 -71 57 42.70 V W68
2024-03-15 03:28:03 C 08 37 36.590 -71 57 37.15 V W68
2024-03-15 03:43:21 C 08 37 37.188 -71 57 25.78 V W68
2024-03-17 00:05:15 C 08 40 00.250 -71 23 33.22 V M22
2024-03-17 00:09:17 C 08 40 00.422 -71 23 29.40 V M22
2024-03-17 00:12:33 C 08 40 00.617 -71 23 27.13 V M22
2024-03-17 00:19:56 C 08 40 01.030 -71 23 20.44 V M22
2024-03-17 00:24:02 C 08 40 01.351 -71 23 17.05 V M22
2024-03-19 02:41:11 C 08 43 19.522 -70 40 01.24 V W68
2024-03-19 02:46:34 C 08 43 19.829 -70 39 55.87 V W68
2024-03-19 02:54:23 C 08 43 20.218 -70 39 48.92 V W68
2024-03-19 03:09:40 C 08 43 21.122 -70 39 34.42 V W68
2024-03-20 22:16:18 C 08 46 35.935 -69 57 32.76 V M22
2024-03-20 22:20:23 C 08 46 36.221 -69 57 28.33 V M22
2024-03-20 22:31:04 C 08 46 37.032 -69 57 16.78 V M22
2024-03-20 22:50:42 C 08 46 38.398 -69 56 56.04 V M22
2024-03-23 02:53:06 C 08 51 07.838 -68 59 47.80 V W68
2024-03-23 02:57:05 C 08 51 08.004 -68 59 42.07 V W68
2024-03-23 03:03:03 C 08 51 08.594 -68 59 35.59 V W68
2024-03-23 03:05:01 C 08 51 08.767 -68 59 33.18 V W68
2024-03-23 03:08:18 C 08 51 08.899 -68 59 30.08 V W68
2024-03-23 03:16:13 C 08 51 09.634 -68 59 19.64 V W68
2024-03-23 03:19:31 C 08 51 10.044 -68 59 15.94 V W68
2024-03-23 03:32:50 C 08 51 11.014 -68 59 00.06 V W68
2024-03-24 20:39:11 C 08 55 07.195 -68 08 12.80 V M22
2024-03-24 20:43:52 C 08 55 07.666 -68 08 06.29 V M22
2024-03-24 20:51:17 C 08 55 08.321 -68 07 56.89 V M22
2024-03-24 21:07:12 C 08 55 09.643 -68 07 35.18 V M22
2024-03-27 03:11:46 C 09 00 49.615 -66 52 20.32 V W68
2024-03-27 03:21:14 C 09 00 50.542 -66 52 05.66 V W68
2024-03-27 03:38:35 C 09 00 52.286 -66 51 39.82 V W68
2024-03-28 20:45:45 C 09 05 32.465 -65 47 17.45 V M22
2024-03-28 20:50:22 C 09 05 32.957 -65 47 09.71 V M22
2024-03-28 20:58:23 C 09 05 33.835 -65 46 56.57 V M22
2024-03-28 21:14:25 C 09 05 35.549 -65 46 29.28 V M22
2024-03-31 02:53:25 C 09 12 05.854 -64 11 59.35 V W68
2024-03-31 02:58:41 C 09 12 06.461 -64 11 49.34 V W68
2024-03-31 03:07:54 C 09 12 07.526 -64 11 31.85 V W68
2024-03-31 03:23:51 C 09 12 09.341 -64 11 01.39 V W68
2024-04-02 02:46:49 C 09 18 15.684 -62 36 26.50 V W68
2024-04-02 02:48:48 C 09 18 15.900 -62 36 22.46 V W68
2024-04-02 03:06:42 C 09 18 18.103 -62 35 44.09 V W68
2024-04-02 03:08:40 C 09 18 18.322 -62 35 39.62 V W68
2024-04-02 03:26:33 C 09 18 20.522 -62 35 00.96 V W68
2024-04-02 03:28:35 C 09 18 20.765 -62 34 56.68 V W68
2024-04-03 02:30:53 C 09 21 25.925 -61 44 45.92 V W68
2024-04-03 02:52:56 C 09 21 28.668 -61 43 55.96 V W68
2024-04-03 03:14:58 C 09 21 31.411 -61 43 05.81 V W68