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
2008-02-09 11:46:28 C 15 40 15.86 +09 01 13.7 r 448
2008-02-13 12:07:13 C 15 30 15.84 +10 00 52.1 r 703
2008-02-13 12:17:34 C 15 30 14.58 +10 00 58.3 r 703
2008-02-13 12:27:49 C 15 30 13.53 +10 01 04.9 r 703
2008-02-13 12:38:02 C 15 30 12.31 +10 01 11.7 r 703
2008-02-18 11:56:15 C 15 16 23.77 +11 17 56.1 r 703
2008-02-18 12:05:12 C 15 16 22.54 +11 18 03.5 r 703
2008-02-18 12:14:06 C 15 16 21.39 +11 18 09.2 r 703
2008-02-18 12:23:00 C 15 16 20.24 +11 18 14.8 r 703
2008-02-19 09:56:38 C 15 13 39.36 +11 32 24.0 r 703
2008-02-19 10:04:22 C 15 13 38.31 +11 32 29.4 r 703
2008-02-19 10:19:52 C 15 13 36.33 +11 32 39.5 r 703
2008-03-03 09:12:44 C 14 27 17.13 +14 54 32.6 r 703
2008-03-03 09:22:20 C 14 27 15.48 +14 54 38.3 r 703
2008-03-03 09:31:53 C 14 27 13.78 +14 54 44.4 r 703
2008-03-03 09:41:32 C 14 27 12.06 +14 54 50.2 r 703
2008-03-14 01:48:35 C 13 40 33.27 +16 57 40.2 r 130
2008-03-14 01:50:02 C 13 40 32.99 +16 57 40.4 r 130
2008-03-14 01:51:29 C 13 40 32.72 +16 57 41.0 r 130
2008-03-14 01:52:55 C 13 40 32.41 +16 57 41.5 r 130
2008-03-29 06:13:32 C 12 37 16.50 +17 24 35.5 r 703
2008-03-29 06:23:36 C 12 37 15.02 +17 24 35.2 r 703
2008-03-29 06:33:46 C 12 37 13.33 +17 24 32.2 r 703
2008-03-29 06:43:50 C 12 37 11.89 +17 24 31.2 r 703
2008-04-07 04:46:48 C 12 09 24.90 +16 28 57.1 r H45
2008-04-07 04:48:38 C 12 09 24.71 +16 28 56.6 r H45
2008-04-07 04:51:01 C 12 09 24.42 +16 28 55.6 r H45
2008-04-07 04:57:59 C 12 09 23.62 +16 28 53.1 r H45
2008-04-07 04:59:41 C 12 09 23.43 +16 28 52.6 r H45
2008-04-07 06:54:44 C 12 09 10.65 +16 28 14.8 r 703
2008-04-07 07:02:32 C 12 09 09.79 +16 28 12.0 r 703
2008-04-07 07:10:20 C 12 09 08.92 +16 28 09.3 r 703
2008-04-07 07:18:09 C 12 09 08.02 +16 28 06.1 r 703
2008-04-11 05:40:04 C 11 59 39.78 +15 53 17.3 19.3 c 704
2008-04-11 05:56:11 C 11 59 38.26 +15 53 10.5 19.0 c 704
2008-04-11 06:12:23 C 11 59 36.73 +15 53 03.9 18.8 c 704
2008-04-11 06:28:34 C 11 59 35.17 +15 52 56.7 19.5 c 704
2011-05-18 04:36:35 C 16 11 16.06 -34 01 03.4 o 807
2011-05-18 04:41:49 C 16 11 15.36 -34 01 04.7 o 807
2011-05-18 04:44:57 C 16 11 14.93 -34 01 05.7 o 807
2011-05-18 04:52:15 C 16 11 13.97 -34 01 08.1 o 807
2011-05-18 04:53:17 C 16 11 13.83 -34 01 08.3 o 807
2011-05-29 07:10:50 C 15 32 42.92 -34 38 57.6 c 926
2011-05-29 07:25:45 C 15 32 40.50 -34 38 57.3 c 926
2011-05-29 07:40:01 C 15 32 38.32 -34 38 57.8 c 926
2011-06-10 10:59:56 C 14 48 29.12 -33 51 04.6 r E12
2011-06-10 11:20:31 C 14 48 26.13 -33 50 59.2 r E12
2011-06-10 11:27:16 C 14 48 25.10 -33 50 56.8 u E12
2011-06-10 12:01:18 C 14 48 20.08 -33 50 46.1 r E12
2012-01-01 12:55:46 C 14 32 11.22 -05 55 37.0 r G96