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
1999-03-18 22:01:16 C 12 41 20.11 +29 08 25.0 d 046
1999-03-19 23:22:29 C 12 35 47.10 +28 53 25.6 z 620
1999-03-19 23:29:29 C 12 35 45.55 +28 53 21.7 z 620
1999-03-19 23:34:59 C 12 35 44.34 +28 53 18.6 z 620
1999-03-19 23:40:09 C 12 35 43.20 +28 53 15.7 z 620
1999-03-20 23:40:50 C 12 30 39.87 +28 37 57.6 z 587
1999-03-20 23:44:59 C 12 30 38.95 +28 37 55.1 z 587
1999-03-21 04:24:29 C 12 29 40.45 +28 34 48.0 104
1999-03-21 04:27:09 C 12 29 39.98 +28 34 46.0 104
1999-03-21 05:25:52 C 12 29 28.34 +28 34 34.2 z 860
1999-03-21 05:43:59 C 12 29 24.47 +28 34 20.9 z 860
1999-03-21 05:50:53 C 12 29 22.87 +28 34 16.5 z 860
1999-03-22 14:32:59 C 12 22 54.38 +28 11 38.6 360
1999-03-22 14:36:29 C 12 22 53.68 +28 11 36.1 360
1999-03-22 14:40:14 C 12 22 52.93 +28 11 33.4 360
1999-03-24 23:08:52 C 12 12 30.55 +27 29 59.6 118
1999-03-24 23:11:09 C 12 12 30.15 +27 29 58.1 118
1999-03-24 23:18:29 C 12 12 28.83 +27 29 52.3 118
1999-03-25 00:24:12 C 12 12 17.16 +27 29 02.3 d 046
1999-03-25 00:26:09 C 12 12 16.87 +27 29 00.5 d 046
1999-03-25 00:28:46 C 12 12 16.37 +27 28 58.4 d 046
1999-03-25 00:30:19 C 12 12 16.11 +27 28 57.1 d 046
1999-03-26 22:00:59 C 12 04 42.83 +26 53 31.6 z 620
1999-03-26 22:12:20 C 12 04 41.06 +26 53 23.7 z 620
1999-03-26 22:18:49 C 12 04 40.03 +26 53 18.1 z 620
1999-03-26 23:04:58 C 12 04 32.19 +26 52 39.6 118
1999-03-26 23:14:27 C 12 04 30.59 +26 52 32.0 118
1999-03-26 23:17:32 C 12 04 30.20 +26 52 29.6 118
1999-03-27 14:07:40 C 12 02 11.36 +26 40 41.5 z 402
1999-03-27 14:09:29 C 12 02 11.08 +26 40 40.9 z 402
1999-04-04 14:33:38 C 11 37 56.64 +24 01 13.8 z 402
1999-04-04 14:35:27 C 11 37 56.39 +24 01 13.3 z 402
1999-04-04 14:37:15 C 11 37 56.25 +24 01 11.0 z 402
1999-04-05 14:33:59 C 11 35 36.25 +23 41 12.8 360
1999-04-05 14:37:30 C 11 35 35.90 +23 41 10.3 360
1999-04-05 14:40:44 C 11 35 35.58 +23 41 07.7 360
1999-04-05 19:26:56 C 11 35 09.33 +23 37 04.4 d 046
1999-04-05 19:31:28 C 11 35 08.86 +23 37 00.9 d 046
1999-04-05 19:33:38 C 11 35 08.71 +23 36 59.3 d 046
1999-04-05 19:35:45 C 11 35 08.46 +23 36 57.1 d 046
1999-04-05 21:28:20 C 11 34 57.75 +23 35 25.5 z 587
1999-04-05 21:33:09 C 11 34 57.22 +23 35 21.3 z 587
1999-04-05 21:40:26 C 11 34 56.56 +23 35 14.2 z 587
1999-04-15 11:35:07 C 11 19 00.05 +20 29 59.9 422
1999-04-15 11:37:14 C 11 18 59.94 +20 29 58.2 422
1999-04-15 11:39:44 C 11 18 59.80 +20 29 56.0 422
1999-05-14 06:21:16 C 11 12 26.98 +12 41 02.9 i 693
1999-05-14 06:24:26 C 11 12 27.03 +12 41 01.1 i 693
1999-05-14 06:27:02 C 11 12 27.08 +12 40 59.5 i 693
2001-04-05 18:34:17 C 20 27 14.29 -28 43 27.0 413