137120 (1999 BJ8)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5489369289 ± 1.25e-08
Semi-major axis (a)1.9004319003 AU ± 7.84e-10
Inclination (i)8.97179604° ± 4.35e-06
Long. of Asc. Node (Ω)339.42616599° ± 9.43e-06
Arg. of Perihelion (ω)222.03896862° ± 9.49e-06
Mean Anomaly (M)63.32236537° ± 2.18e-06
Mean Motion (n)0.3762130087°/day ± 2.33e-10
Perihelion dist (q)0.85721465 AU ± 2.37e-08
Aphelion dist (Q)2.94364915 AU ± 2.37e-08
Orbital Period2.61986231 yr ± 1.62e-09
Physical Parameters
H (abs. magnitude)18.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.334″
Uncertainty0
Orbit TypeApollo
MOID0.022370 AU
Observations Used455
Oppositions16
Arc Total1999-2025
First Observation Used1999-01-14
Last Observation Used2025-01-04
Observations (498)
Date Type RA Dec Mag Band Observatory
1999-02-21 21:34:22 C 01 41 25.33 +51 52 01.1 z 619
1999-02-21 23:41:04 C 01 37 31.37 +51 13 10.1 z 619
1999-05-15 19:27:38 C 22 56 45.89 -24 58 04.7 426
1999-05-15 19:32:51 C 22 56 46.08 -24 58 03.0 426
1999-05-15 19:37:52 C 22 56 46.23 -24 58 00.9 426
1999-06-23 19:28:57 C 23 03 05.81 -21 50 00.1 426
1999-06-23 19:37:57 C 23 03 05.46 -21 50 00.2 426
1999-06-23 19:47:01 C 23 03 05.12 -21 50 00.5 426
1999-07-02 15:48:53 C 22 53 17.97 -22 02 39.5 413
1999-07-02 15:52:23 C 22 53 17.75 -22 02 39.8 413
1999-07-19 13:23:52 C 22 22 18.54 -22 53 42.5 422
1999-08-01 13:38:24 C 21 52 09.84 -23 19 41.7 413
1999-08-01 13:40:37 C 21 52 09.62 -23 19 41.9 413
1999-08-02 14:02:18 C 21 49 47.96 -23 20 19.3 413
1999-08-02 14:04:54 C 21 49 47.70 -23 20 19.2 413
1999-08-03 14:23:55 C 21 47 27.29 -23 20 42.6 413
1999-08-03 14:26:11 C 21 47 27.07 -23 20 42.8 413
1999-08-04 07:28:19 C 21 45 49.41 -23 21 02.8 z 711
1999-08-04 07:38:58 C 21 45 48.62 -23 21 03.5 z 711
1999-08-06 07:44:18 C 21 41 16.44 -23 20 47.1 z 711
1999-08-06 07:54:56 C 21 41 15.44 -23 20 45.3 z 711
1999-08-20 15:39:27 C 21 13 08.86 -22 53 05.7 413
1999-08-20 15:43:41 C 21 13 08.57 -22 53 05.2 413
1999-08-20 15:47:56 C 21 13 08.26 -22 53 04.8 413
2002-09-30 05:42:13 C 23 36 01.91 +02 41 33.3 c 696
2002-09-30 05:47:53 C 23 36 01.59 +02 41 31.6 c 696
2005-09-25 06:05:43 C 01 25 33.84 +17 55 25.5 d 291
2005-09-25 06:11:47 C 01 25 33.55 +17 55 25.0 d 291
2006-09-27 11:35:00 C 08 11 47.97 +28 05 47.3 d 291
2006-09-27 11:41:26 C 08 11 48.75 +28 05 45.0 d 291
2006-11-10 11:07:54 C 10 29 09.65 +18 03 52.7 d 291
2006-11-10 11:13:56 C 10 29 10.46 +18 03 48.5 d 291
2006-11-10 11:19:35 C 10 29 11.46 +18 03 41.8 d 291
2006-11-23 11:40:27 C 11 17 51.65 +12 30 43.0 c 691
2006-11-23 11:58:22 C 11 17 54.61 +12 30 20.1 c 691
2006-11-23 12:16:18 C 11 17 57.51 +12 29 58.6 c 691
2012-01-10 02:31:35 C 04 24 44.56 +40 19 06.9 o H21
2012-01-10 02:39:20 C 04 24 43.87 +40 19 03.4 o H21
2012-01-10 02:45:38 C 04 24 43.28 +40 19 00.4 o H21
2012-01-10 02:52:13 C 04 24 42.70 +40 18 57.4 o H21
2012-07-07 03:09:46 C 16 09 09.77 -61 55 52.5 u 844
2012-07-07 03:19:23 C 16 09 13.82 -61 55 26.8 u 844
2012-07-07 03:22:37 C 16 09 15.07 -61 55 17.4 u 844
2012-07-07 03:25:14 C 16 09 16.15 -61 55 10.5 u 844
2012-07-07 03:28:28 C 16 09 17.54 -61 55 01.1 u 844
2012-07-07 03:32:42 C 16 09 19.32 -61 54 50.4 u 844
2013-10-10 06:44:30 C 01 46 48.63 +21 42 16.3 u H21
2013-10-10 07:07:36 C 01 46 47.39 +21 42 12.6 u H21
2013-10-10 07:33:26 C 01 46 46.06 +21 42 08.2 u H21
2013-10-12 05:42:33 C 01 44 23.72 +21 34 13.6 u H21