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
2020-09-04 10:02:24 C 21 58 58.69 -33 47 39.3 V T05
2020-09-04 10:03:04 C 21 58 58.58 -33 47 38.8 V T05
2020-09-04 10:03:43 C 21 58 58.51 -33 47 38.0 V T05
2020-09-04 10:04:23 C 21 58 58.48 -33 47 38.8 V T05
2020-09-04 10:05:02 C 21 58 58.44 -33 47 37.6 V T05
2020-09-05 09:53:38 C 21 57 30.20 -33 34 38.5 V T05
2020-09-05 09:58:14 C 21 57 29.87 -33 34 36.3 V T05
2020-09-05 10:06:09 C 21 57 29.36 -33 34 31.3 V T05
2020-09-05 10:21:18 C 21 57 28.30 -33 34 23.3 V T05
2020-09-07 09:10:24 C 21 54 46.09 -33 07 25.5 V T08
2020-09-07 09:15:42 C 21 54 45.80 -33 07 21.3 V T08
2020-09-07 09:25:00 C 21 54 45.18 -33 07 15.7 V T08
2020-09-07 09:40:55 C 21 54 44.19 -33 07 06.9 V T08
2020-09-07 11:36:12 C 21 54 37.87 -33 05 37.9 q E89
2020-09-07 11:48:46 C 21 54 37.12 -33 05 30.5 q E89
2020-09-07 12:01:13 C 21 54 36.32 -33 05 22.6 q E89
2020-09-09 09:14:07 C 21 52 14.62 -32 37 57.4 V T05
2020-09-09 09:18:44 C 21 52 14.34 -32 37 54.6 V T05
2020-09-09 09:26:39 C 21 52 13.87 -32 37 49.4 V T05
2020-09-09 09:43:16 C 21 52 12.94 -32 37 38.9 V T05
2020-09-10 07:48:06 C 21 51 09.677 -32 23 33.08 U F51
2020-09-10 08:04:51 C 21 51 08.770 -32 23 22.45 U F51
2020-09-10 08:21:32 C 21 51 07.871 -32 23 11.83 U F51
2020-09-11 08:55:09 C 21 50 00.52 -32 07 08.4 V T08
2020-09-11 09:00:28 C 21 50 00.28 -32 07 04.7 V T08
2020-09-11 09:09:06 C 21 49 59.82 -32 06 59.0 V T08
2020-09-11 09:58:06 C 21 49 57.34 -32 06 26.1 V T08
2020-09-12 10:51:25 C 21 48 54.38 -31 49 28.0 q E89
2020-09-12 11:03:51 C 21 48 53.82 -31 49 19.7 q E89
2020-09-12 11:16:37 C 21 48 53.22 -31 49 10.6 q E89
2020-09-13 07:52:37 C 21 48 04.88 -31 35 25.9 V T05
2020-09-13 07:55:15 C 21 48 04.75 -31 35 24.4 V T05
2020-09-13 07:59:12 C 21 48 04.57 -31 35 21.3 V T05
2020-09-13 08:13:52 C 21 48 03.92 -31 35 11.4 V T05
2020-09-15 08:42:55 C 21 46 20.88 -31 01 12.5 V T08
2020-09-15 08:46:58 C 21 46 20.71 -31 01 09.9 V T08
2020-09-15 08:57:35 C 21 46 20.29 -31 01 02.2 V T08
2020-09-15 09:15:30 C 21 46 19.61 -31 00 49.1 V T08
2020-09-17 08:43:16 C 21 44 56.04 -30 26 30.0 V T05
2020-09-17 08:47:23 C 21 44 55.92 -30 26 27.9 V T05
2020-09-17 09:02:39 C 21 44 55.44 -30 26 17.0 V T05
2020-09-17 09:13:54 C 21 44 55.05 -30 26 08.1 V T05
2020-09-23 07:31:04 C 21 42 22.81 -28 38 32.8 V T08
2020-09-23 07:35:43 C 21 42 22.71 -28 38 28.8 V T08
2020-09-23 07:50:58 C 21 42 22.46 -28 38 17.7 V T08
2020-09-23 09:22:10 C 21 42 21.04 -28 37 06.0 V T08
2020-09-23 09:31:27 C 21 42 21.00 -28 36 58.7 V T08
2020-09-25 08:27:18 C 21 42 02.36 -28 00 23.3 V T05
2020-09-25 08:31:55 C 21 42 02.36 -28 00 19.6 V T05
2020-09-25 09:22:58 C 21 42 01.87 -27 59 39.2 V T05