137799 (1999 YB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0746098304 ± 7.10e-08
Semi-major axis (a)1.3211930150 AU ± 9.45e-09
Inclination (i)6.78943605° ± 2.37e-06
Long. of Asc. Node (Ω)30.95061651° ± 9.04e-06
Arg. of Perihelion (ω)192.78145354° ± 7.06e-05
Mean Anomaly (M)259.77344775° ± 6.26e-05
Mean Motion (n)0.6490271623°/day ± 6.97e-09
Perihelion dist (q)1.22261903 AU ± 9.42e-08
Aphelion dist (Q)1.41976700 AU ± 9.44e-08
Orbital Period1.51862101 yr ± 1.63e-08
NGA Modelr2
A27.73591917e-14 ± 1.61e-14 AU/d²
Physical Parameters
H (abs. magnitude)18.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.466″
Uncertainty0
Orbit TypeAmor
MOID0.215706 AU
Observations Used2269
Gaia Obs Used56
Oppositions9
Arc Total1991-2017
First Observation Used1991-03-20
Last Observation Used2026-01-11
Observations (3745)
Date Type RA Dec Mag Band Observatory
2017-09-15 10:50:48 C 23 39 21.89 -19 35 08.1 L T08
2017-09-15 10:54:06 C 23 39 21.59 -19 35 07.2 L T08
2017-09-15 11:12:57 C 23 39 19.89 -19 35 04.5 L T08
2017-09-15 12:33:13 C 23 39 12.66 -19 34 51.0 L T05
2017-09-15 12:47:55 C 23 39 11.32 -19 34 47.8 L T05
2017-09-15 12:50:37 C 23 39 11.10 -19 34 47.9 L T05
2017-09-15 13:02:52 C 23 39 10.03 -19 34 45.6 L T05
2017-09-15 13:05:38 C 23 39 09.78 -19 34 45.2 L T05
2017-09-15 13:17:42 C 23 39 08.69 -19 34 43.6 L T05
2017-09-15 13:19:43 C 23 39 08.52 -19 34 42.5 L T05
2017-09-17 03:27:34 C 23 35 58.58 -19 27 41.5 q Y00
2017-09-17 03:44:29 C 23 35 57.06 -19 27 38.2 q Y00
2017-09-17 04:01:27 C 23 35 55.54 -19 27 35.0 q Y00
2017-09-17 06:11:32 C 23 35 45.64 -19 27 27.6 q 703
2017-09-17 06:19:21 C 23 35 44.92 -19 27 26.0 q 703
2017-09-17 06:28:16 C 23 35 44.13 -19 27 24.3 q 703
2017-09-17 10:36:50 C 23 35 23.21 -19 26 31.3 L T05
2017-09-17 10:37:30 C 23 35 23.15 -19 26 31.1 L T05
2017-09-17 10:38:48 C 23 35 23.03 -19 26 31.3 L T05
2017-09-17 10:42:45 C 23 35 22.70 -19 26 30.3 L T05
2017-09-17 10:55:56 C 23 35 21.51 -19 26 27.7 L T05
2017-09-17 11:01:50 C 23 35 20.97 -19 26 26.6 L T05
2017-09-17 11:07:45 C 23 35 20.45 -19 26 25.2 L T05
2017-09-17 11:21:25 C 23 35 19.23 -19 26 22.2 L T05
2017-09-20 05:45:17 C 23 29 57.38 -19 11 03.2 q 703
2017-09-20 05:53:04 C 23 29 56.67 -19 11 01.4 q 703
2017-09-20 06:00:50 C 23 29 56.01 -19 10 59.7 q 703
2017-09-20 06:08:38 C 23 29 55.35 -19 10 57.3 q 703
2017-09-21 09:56:46 C 23 27 44.234 -19 03 19.41 L F51
2017-09-21 10:12:37 C 23 27 42.906 -19 03 14.89 L F51
2017-09-21 10:27:15 C 23 27 41.69 -19 03 10.9 L T05
2017-09-21 10:28:19 C 23 27 41.586 -19 03 10.32 L F51
2017-09-21 10:39:14 C 23 27 40.68 -19 03 07.3 L T05
2017-09-21 10:51:57 C 23 27 39.59 -19 03 03.4 L T05
2017-09-21 11:03:55 C 23 27 38.61 -19 02 59.8 L T05
2017-09-23 09:59:12 C 23 24 05.52 -18 48 40.7 L T08
2017-09-23 10:15:42 C 23 24 04.18 -18 48 36.0 L T08
2017-09-23 10:30:52 C 23 24 02.95 -18 48 30.3 L T08
2017-09-23 10:33:30 C 23 24 02.71 -18 48 29.3 L T08
2017-09-25 02:25:07 C 23 21 10.41 -18 34 39.8 q W98
2017-09-25 02:35:18 C 23 21 09.59 -18 34 35.8 q W98
2017-09-25 02:45:29 C 23 21 08.87 -18 34 32.5 q W98
2017-09-28 08:52:35 C 23 15 54.03 -18 04 40.6 L T08
2017-09-28 09:02:21 C 23 15 53.37 -18 04 36.8 L T08
2017-09-28 09:03:59 C 23 15 53.21 -18 04 36.8 L T08
2017-09-28 09:12:57 C 23 15 52.61 -18 04 32.6 L T08
2017-09-28 09:14:17 C 23 15 52.50 -18 04 33.0 L T08
2017-09-28 09:25:11 C 23 15 51.73 -18 04 27.4 L T08
2017-09-28 09:36:01 C 23 15 50.98 -18 04 23.6 L T08
2017-09-29 04:56:41 C 23 14 39.18 -17 56 18.2 q 703