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
2021-04-10 12:02:04 C 14 33 54.665 -11 11 14.65 U F51
2021-04-10 12:18:14 C 14 33 53.015 -11 11 11.23 U F51
2021-04-10 12:34:22 C 14 33 51.369 -11 11 07.84 U F51
2021-04-12 13:32:49 C 14 28 55.43 -11 00 36.8 V T08
2021-04-12 13:37:27 C 14 28 54.97 -11 00 35.4 V T08
2021-04-12 13:45:26 C 14 28 54.13 -11 00 34.4 V T08
2021-04-12 13:46:45 C 14 28 53.98 -11 00 33.7 V T08
2021-04-12 13:54:43 C 14 28 53.15 -11 00 32.4 V T08
2021-04-14 10:36:40 C 14 24 17.775 -10 50 29.81 U F52
2021-04-14 11:15:40 C 14 24 13.620 -10 50 20.90 U F52
2021-04-14 11:35:25 C 14 24 11.509 -10 50 16.41 U F52
2021-04-18 09:53:47 C 14 14 17.39 -10 27 55.1 V T05
2021-04-18 09:57:06 C 14 14 17.01 -10 27 53.9 V T05
2021-04-18 10:24:07 C 14 14 14.08 -10 27 48.5 V T05
2021-04-18 10:34:44 C 14 14 12.94 -10 27 45.4 V T05
2021-04-22 07:43:54 C 14 04 20.33 -10 04 46.5 V 703
2021-04-22 07:59:45 C 14 04 18.56 -10 04 41.1 V 703
2021-04-22 08:07:42 C 14 04 17.73 -10 04 38.3 V 703
2021-04-29 08:59:18 C 13 46 51.055 -09 22 44.49 U F52
2021-04-29 09:16:13 C 13 46 49.332 -09 22 40.07 U F52
2021-04-29 09:33:04 C 13 46 47.591 -09 22 36.11 U F52
2021-04-30 10:05:06 C 13 44 21.54 -09 16 43.0 V T05
2021-04-30 10:14:34 C 13 44 20.63 -09 16 39.3 V T05
2021-04-30 10:20:32 C 13 44 20.02 -09 16 39.0 V T05
2021-04-30 10:43:23 C 13 44 17.71 -09 16 34.5 V T05
2021-05-01 06:21:47 C 13 42 22.61 -09 11 56.8 V G96
2021-05-01 06:29:49 C 13 42 21.79 -09 11 54.9 V G96
2021-05-01 06:37:51 C 13 42 21.01 -09 11 52.8 V G96
2021-05-01 06:45:53 C 13 42 20.19 -09 11 51.1 V G96
2021-05-05 14:09:30 C 13 32 39.21 -08 48 33.5 q D29
2021-05-05 14:29:52 C 13 32 37.30 -08 48 29.9 q D29
2021-05-05 14:50:14 C 13 32 35.42 -08 48 25.8 q D29
2021-05-11 07:04:52 C 13 21 08.59 -08 21 52.5 V G96
2021-05-11 07:12:18 C 13 21 07.98 -08 21 51.4 V G96
2021-05-11 07:19:44 C 13 21 07.40 -08 21 49.7 V G96
2021-05-11 07:27:10 C 13 21 06.83 -08 21 48.6 V G96
2021-05-11 08:16:55 C 13 21 03.245 -08 21 38.64 U F51
2021-05-11 08:33:45 C 13 21 01.891 -08 21 35.72 U F51
2021-05-11 08:50:35 C 13 21 00.540 -08 21 32.76 U F51
2021-05-11 09:07:27 C 13 20 59.191 -08 21 29.77 U F51
2021-05-13 12:14:52 C 13 17 08.825 -08 12 57.71 V P07
2021-05-13 12:18:46 C 13 17 08.534 -08 12 56.30 V P07
2021-05-13 14:03:31 C 13 17 00.679 -08 12 41.62 V P07
2021-05-13 15:09:21 C 13 16 55.766 -08 12 30.89 V P07
2021-05-13 16:15:37 C 13 16 50.767 -08 12 20.99 V P07
2022-02-20 02:48:22 C 23 49 39.70 +30 31 26.5 U I41
2022-02-20 02:52:45 C 23 49 40.72 +30 31 46.9 U I41
2022-02-20 02:57:07 C 23 49 41.74 +30 32 07.3 U I41
2022-02-20 03:01:28 C 23 49 42.78 +30 32 27.7 U I41
2022-03-02 02:31:03 C 01 16 58.98 +50 15 50.5 V 703