137158 (1999 FB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6068717635 ± 3.24e-08
Semi-major axis (a)1.1799494401 AU ± 8.12e-10
Inclination (i)12.89532112° ± 3.84e-06
Long. of Asc. Node (Ω)37.08728738° ± 1.17e-05
Arg. of Perihelion (ω)3.06829112° ± 1.23e-05
Mean Anomaly (M)1.26489282° ± 5.66e-06
Mean Motion (n)0.7689837782°/day ± 7.94e-10
Perihelion dist (q)0.46387144 AU ± 3.83e-08
Aphelion dist (Q)1.89602744 AU ± 3.83e-08
Orbital Period1.28172572 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)17.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.346″
Uncertainty0
Orbit TypeApollo
MOID0.197505 AU
Observations Used554
Oppositions6
Arc Total1998-2026
First Observation Used1998-05-24
Last Observation Used2026-01-09
Observations (594)
Date Type RA Dec Mag Band Observatory
1998-05-24 05:45:31 C 13 37 02.05 -14 11 53.7 c 691
1998-05-24 06:16:45 C 13 36 59.72 -14 11 47.0 c 691
1998-05-24 07:31:54 C 13 36 54.17 -14 11 31.7 c 691
1999-03-16 09:24:15 C 12 55 26.58 +29 39 34.4 17.8 a 704
1999-03-16 09:52:37 C 12 55 19.63 +29 39 22.0 17.9 a 704
1999-03-16 10:21:00 C 12 55 12.53 +29 39 08.4 17.7 a 704
1999-03-16 10:49:16 C 12 55 05.43 +29 38 54.3 18.4 a 704
1999-03-16 11:17:32 C 12 54 58.48 +29 38 41.1 17.6 a 704
1999-03-16 22:12:19 C 12 52 22.91 +29 33 34.9 z 620
1999-03-16 22:16:59 C 12 52 21.91 +29 33 33.5 z 620
1999-03-16 22:22:09 C 12 52 20.80 +29 33 32.0 z 620
1999-03-16 22:25:59 C 12 52 19.98 +29 33 31.0 z 620
1999-03-17 02:26:49 C 12 51 22.90 +29 31 34.7 c 758
1999-03-17 02:51:56 C 12 51 16.91 +29 31 24.1 c 758
1999-03-17 02:56:36 C 12 51 15.81 +29 31 20.1 c 758
1999-03-17 04:11:29 C 12 50 57.65 +29 30 47.5 c 761
1999-03-17 04:29:29 C 12 50 53.51 +29 30 40.3 c 761
1999-03-17 12:24:06 C 12 49 01.71 +29 27 00.9 422
1999-03-17 12:32:23 C 12 48 59.73 +29 26 56.6 422
1999-03-17 12:36:10 C 12 48 58.88 +29 26 54.9 422
1999-03-17 12:42:22 C 12 48 57.37 +29 26 52.5 422
1999-03-17 14:47:36 C 12 48 27.65 +29 25 26.8 z 402
1999-03-17 14:49:24 C 12 48 27.25 +29 25 25.9 z 402
1999-03-17 14:51:13 C 12 48 26.80 +29 25 24.7 z 402
1999-03-17 14:53:02 C 12 48 26.36 +29 25 23.9 z 402
1999-03-17 16:45:53 C 12 47 59.35 +29 24 26.5 z 900
1999-03-17 16:56:30 C 12 47 56.79 +29 24 20.9 z 900
1999-03-17 19:37:31 C 12 47 20.83 +29 22 47.1 557
1999-03-17 19:39:25 C 12 47 20.39 +29 22 46.3 557
1999-03-17 19:41:07 C 12 47 20.01 +29 22 45.4 557
1999-03-17 20:49:30 C 12 47 04.13 +29 22 12.1 c 611
1999-03-17 20:56:30 C 12 47 02.47 +29 22 08.4 c 611
1999-03-17 21:04:29 C 12 47 00.53 +29 22 03.9 c 611
1999-03-18 02:23:19 C 12 45 45.51 +29 19 16.8 d 046
1999-03-18 02:25:02 C 12 45 45.11 +29 19 16.0 d 046
1999-03-18 02:26:32 C 12 45 44.80 +29 19 15.0 d 046
1999-03-18 02:27:35 C 12 45 44.52 +29 19 14.9 d 046
1999-03-18 04:02:15 C 12 45 24.54 +29 18 25.2 734
1999-03-18 04:08:28 C 12 45 23.07 +29 18 22.3 734
1999-03-18 04:16:45 C 12 45 21.16 +29 18 17.7 734
1999-03-18 05:09:46 C 12 45 08.96 +29 17 50.6 c 713
1999-03-18 05:30:57 C 12 45 04.21 +29 17 41.2 a 696
1999-03-18 05:32:26 C 12 45 03.87 +29 17 40.4 a 696
1999-03-18 05:33:55 C 12 45 03.53 +29 17 39.6 a 696
1999-03-18 05:35:24 C 12 45 03.17 +29 17 38.8 a 696
1999-03-18 05:36:54 C 12 45 02.82 +29 17 38.1 a 696
1999-03-18 06:00:52 C 12 44 56.98 +29 17 23.6 c 713
1999-03-18 21:56:38 C 12 41 21.18 +29 08 28.0 d 046
1999-03-18 21:57:54 C 12 41 20.87 +29 08 27.0 d 046
1999-03-18 21:59:34 C 12 41 20.51 +29 08 25.9 d 046