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
2017-08-03 12:58:12 C 00 30 52.83 -17 41 56.3 L T05
2017-08-03 13:08:44 C 00 30 52.84 -17 41 57.6 L T05
2017-08-14 13:22:49 C 00 28 38.12 -18 26 28.2 L T08
2017-08-14 13:27:14 C 00 28 37.98 -18 26 28.9 L T08
2017-08-14 13:43:01 C 00 28 37.48 -18 26 31.6 L T08
2017-08-14 13:56:35 C 00 28 37.06 -18 26 34.5 L T08
2017-08-16 12:32:51 C 00 27 19.68 -18 35 49.5 L T05
2017-08-16 12:55:45 C 00 27 18.82 -18 35 54.2 L T05
2017-08-16 12:57:50 C 00 27 18.78 -18 35 54.7 L T05
2017-08-16 13:12:03 C 00 27 18.25 -18 35 57.5 L T05
2017-08-18 12:51:47 C 00 25 41.11 -18 45 32.1 L T08
2017-08-18 13:16:20 C 00 25 40.08 -18 45 37.3 L T08
2017-08-18 13:17:49 C 00 25 40.00 -18 45 38.2 L T08
2017-08-18 13:32:49 C 00 25 39.38 -18 45 41.2 L T08
2017-08-20 12:33:38 C 00 23 46.62 -18 55 09.5 L T05
2017-08-20 12:58:35 C 00 23 45.31 -18 55 13.5 L T05
2017-08-20 13:11:27 C 00 23 44.65 -18 55 15.9 L T05
2017-08-20 13:12:50 C 00 23 44.62 -18 55 16.1 L T05
2017-08-22 17:41:06 C 00 21 18.87 -19 05 37.7 q D29
2017-08-22 18:00:11 C 00 21 17.80 -19 05 41.2 q D29
2017-08-22 18:19:16 C 00 21 16.75 -19 05 45.1 q D29
2017-08-24 12:10:45 C 00 19 05.87 -19 13 35.0 L T05
2017-08-24 12:22:52 C 00 19 05.11 -19 13 37.6 L T05
2017-08-24 12:34:44 C 00 19 04.36 -19 13 38.9 L T05
2017-08-24 12:37:34 C 00 19 04.21 -19 13 39.7 L T05
2017-08-24 12:38:16 C 00 19 04.15 -19 13 39.8 L T05
2017-08-26 04:16:30 C 00 16 49.57 -19 20 46.8 Q I17
2017-08-26 04:32:02 C 00 16 48.58 -19 20 49.7 Q I17
2017-08-26 05:19:26 C 00 16 45.57 -19 20 58.3 Q I17
2017-08-26 05:44:32 C 00 16 43.94 -19 21 02.7 Q I17
2017-08-26 06:00:04 C 00 16 42.99 -19 21 05.9 Q I17
2017-08-26 06:23:43 C 00 16 41.42 -19 21 09.5 Q I17
2017-08-26 06:39:14 C 00 16 40.50 -19 21 12.5 Q I17
2017-09-01 03:31:04 C 00 07 18.64 -19 40 47.9 q Y00
2017-09-01 03:47:27 C 00 07 17.39 -19 40 51.2 q Y00
2017-09-01 11:25:53 C 00 06 43.75 -19 41 53.6 L T05
2017-09-01 11:39:45 C 00 06 42.63 -19 41 54.9 L T05
2017-09-01 11:40:26 C 00 06 42.57 -19 41 54.9 L T05
2017-09-01 12:04:00 C 00 06 40.68 -19 41 57.5 L T05
2017-09-11 10:53:07 C 23 47 28.41 -19 46 21.3 L T08
2017-09-11 11:06:22 C 23 47 27.22 -19 46 20.0 L T08
2017-09-11 11:30:49 C 23 47 24.97 -19 46 18.1 L T08
2017-09-11 11:42:01 C 23 47 23.93 -19 46 17.3 L T08
2017-09-12 12:32:11 C 23 45 18.75 -19 43 48.1 U Q62
2017-09-12 13:04:23 C 23 45 15.86 -19 43 45.5 U Q62
2017-09-12 13:31:09 C 23 45 13.46 -19 43 43.0 U Q62
2017-09-14 06:34:35 C 23 41 45.19 -19 39 20.0 o 691
2017-09-14 06:51:20 C 23 41 43.69 -19 39 17.7 o 691
2017-09-14 07:07:55 C 23 41 42.20 -19 39 15.5 o 691
2017-09-15 10:37:37 C 23 39 23.07 -19 35 10.2 L T08