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
2012-01-01 13:03:23 C 14 32 11.68 -05 55 39.5 r G96
2012-01-01 13:10:53 C 14 32 12.19 -05 55 42.1 r G96
2012-04-16 10:39:09 C 14 00 03.850 -07 35 00.22 L F51
2012-04-16 10:40:03 C 14 00 03.751 -07 35 00.03 L F51
2012-04-16 10:55:16 C 14 00 02.069 -07 34 56.07 L F51
2012-04-16 10:56:10 C 14 00 01.963 -07 34 55.64 L F51
2012-04-16 11:13:00 C 14 00 00.099 -07 34 51.42 L F51
2012-04-16 11:13:52 C 14 00 00.001 -07 34 51.12 L F51
2012-04-16 11:27:57 C 13 59 58.441 -07 34 47.48 L F51
2012-04-28 08:35:25 C 13 30 25.158 -06 24 44.33 L F51
2012-04-28 08:52:39 C 13 30 23.457 -06 24 40.52 L F51
2012-04-30 06:30:48 C 13 26 04.66 -06 15 03.2 r G96
2012-04-30 06:38:23 C 13 26 03.91 -06 15 01.8 r G96
2012-04-30 06:45:58 C 13 26 03.19 -06 15 00.4 r G96
2012-04-30 06:53:32 C 13 26 02.50 -06 14 58.8 r G96
2012-05-28 05:45:43 C 12 45 08.78 -05 21 21.7 r G96
2012-05-28 05:54:09 C 12 45 08.53 -05 21 21.9 r G96
2012-05-28 06:02:34 C 12 45 08.31 -05 21 22.7 r G96
2012-05-28 06:10:59 C 12 45 08.02 -05 21 22.7 r G96
2013-03-22 01:48:12 C 05 05 45.44 +48 20 11.2 u H21
2013-03-22 01:55:54 C 05 05 49.56 +48 20 10.5 u H21
2013-04-22 04:02:59 C 08 52 57.64 +32 28 32.4 u 703
2013-04-22 04:16:35 C 08 52 59.55 +32 28 14.0 u 703
2013-04-22 04:30:21 C 08 53 01.60 +32 27 56.0 u 703
2013-04-22 04:44:04 C 08 53 03.58 +32 27 36.9 u 703
2013-05-21 05:25:18 C 10 09 20.19 +19 51 09.8 u G96
2013-05-21 05:33:38 C 10 09 20.91 +19 51 02.7 u G96
2013-05-21 05:41:58 C 10 09 21.60 +19 50 55.2 u G96
2013-05-21 05:50:20 C 10 09 22.28 +19 50 47.9 u G96
2015-05-05 07:39:05 C 20 10 53.47 -35 05 41.5 u 807
2015-05-05 07:50:00 C 20 10 54.74 -35 05 46.9 u 807
2015-05-05 08:00:49 C 20 10 55.96 -35 05 52.7 u 807
2015-05-31 07:53:58 C 22 00 05.28 -41 49 29.4 u 807
2015-05-31 07:57:57 C 22 00 06.35 -41 49 32.5 u 807
2015-05-31 08:01:47 C 22 00 07.43 -41 49 35.0 u 807
2015-06-07 07:50:00 C 22 53 37.62 -43 31 59.6 u 807
2015-06-07 07:53:28 C 22 53 38.92 -43 32 01.1 u 807
2015-06-07 07:56:56 C 22 53 40.19 -43 32 02.6 u 807
2015-06-07 08:00:26 C 22 53 41.44 -43 32 04.2 u 807
2015-06-07 08:03:54 C 22 53 42.72 -43 32 06.1 u 807
2015-06-19 19:50:38 S 01 15 57.86 -41 04 02.1 L C51
2015-06-19 21:25:15 S 01 16 49.72 -41 01 03.7 L C51
2015-06-19 22:59:41 S 01 17 41.35 -40 58 04.8 L C51
2015-06-20 00:34:07 S 01 18 33.08 -40 55 03.1 L C51
2015-06-20 06:52:13 S 01 22 00.20 -40 42 38.3 L C51
2016-04-01 11:10:08 C 16 00 05.03 -21 02 46.7 q G96
2016-04-01 11:17:32 C 16 00 04.71 -21 02 47.8 q G96
2016-04-01 11:24:55 C 16 00 04.40 -21 02 48.7 q G96
2016-04-01 11:32:17 C 16 00 04.10 -21 02 49.6 q G96
2016-04-14 09:27:01 C 15 42 32.32 -21 34 17.7 q 703