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
2016-04-14 09:55:08 C 15 42 30.09 -21 34 18.1 q 703
2016-05-02 07:38:17 C 15 02 17.69 -21 25 20.9 q G96
2016-05-02 07:44:28 C 15 02 16.97 -21 25 19.3 q G96
2016-05-02 07:50:38 C 15 02 16.31 -21 25 19.5 q G96
2016-05-02 07:56:48 C 15 02 15.64 -21 25 17.3 q G96
2016-05-03 06:58:57 C 14 59 44.89 -21 22 30.7 q G96
2016-05-03 07:05:05 C 14 59 44.21 -21 22 29.9 q G96
2016-05-03 07:11:13 C 14 59 43.52 -21 22 29.1 q G96
2016-05-03 07:17:20 C 14 59 42.86 -21 22 28.1 q G96
2016-05-10 06:23:17 C 14 41 09.39 -20 55 03.6 R G45
2016-05-10 06:29:51 C 14 41 08.66 -20 55 02.1 R G45
2016-05-10 06:36:47 C 14 41 07.85 -20 55 00.8 R G45
2016-05-10 06:45:11 C 14 41 06.89 -20 54 59.0 R G45
2016-05-10 06:51:38 C 14 41 06.17 -20 54 57.8 R G45
2016-05-10 06:52:30 C 14 41 06.06 -20 54 57.6 R G45
2016-05-29 05:27:15 C 13 55 52.06 -19 03 30.0 R G45
2016-05-29 05:30:13 C 13 55 51.79 -19 03 29.3 R G45
2016-05-29 05:36:57 C 13 55 51.19 -19 03 26.9 R G45
2016-05-29 06:04:08 C 13 55 48.93 -19 03 20.2 R G45
2016-05-29 06:11:04 C 13 55 48.38 -19 03 18.6 R G45
2016-06-01 04:30:56 C 13 50 21.04 -18 46 00.5 q 703
2016-06-01 04:36:50 C 13 50 20.62 -18 45 58.6 q 703
2016-06-01 04:42:42 C 13 50 20.18 -18 45 55.3 q 703
2016-06-01 04:48:36 C 13 50 19.60 -18 45 53.7 q 703
2017-02-05 04:31:54 S 15 20 36.44 +02 18 47.7 L C51
2017-02-05 07:40:35 S 15 20 30.05 +02 19 35.3 L C51
2017-02-05 10:49:16 S 15 20 23.50 +02 20 23.4 L C51
2017-02-05 15:32:01 S 15 20 13.70 +02 21 30.9 L C51
2017-02-06 00:57:54 S 15 19 53.79 +02 23 54.1 L C51
2017-02-22 11:31:57 C 14 57 56.97 +04 34 13.7 R G45
2017-02-22 11:47:30 C 14 57 55.68 +04 34 19.9 R G45
2017-02-22 11:54:33 C 14 57 55.10 +04 34 23.0 R G45
2017-02-22 12:02:28 C 14 57 54.43 +04 34 26.1 R G45
2017-02-22 12:03:26 C 14 57 54.34 +04 34 26.5 R G45
2017-02-22 12:10:14 C 14 57 53.80 +04 34 29.4 R G45
2017-02-24 12:25:07 C 14 53 53.43 +04 54 37.0 q 703
2017-02-24 12:29:19 C 14 53 52.99 +04 54 38.7 q 703
2017-02-24 12:33:32 C 14 53 52.62 +04 54 40.3 q 703
2017-02-24 12:37:44 C 14 53 52.11 +04 54 42.1 q 703
2017-02-25 08:40:16 C 14 52 07.34 +05 03 17.4 R G45
2017-02-25 08:47:12 C 14 52 06.69 +05 03 20.3 R G45
2017-02-25 09:04:14 C 14 52 05.11 +05 03 27.7 R G45
2017-02-25 09:18:16 C 14 52 03.83 +05 03 33.9 R G45
2017-03-03 06:46:49 C 14 37 59.42 +06 07 13.7 R G45
2017-03-03 06:52:24 C 14 37 58.81 +06 07 16.1 R G45
2017-03-03 07:00:17 C 14 37 57.93 +06 07 19.9 R G45
2017-03-03 07:13:59 C 14 37 56.47 +06 07 26.5 R G45
2017-03-05 19:55:31 C 14 31 01.23 +06 35 46.5 q D29
2017-03-05 20:26:09 C 14 30 57.49 +06 36 00.9 q D29
2017-03-05 20:56:49 C 14 30 53.77 +06 36 15.2 q D29