IAA RAS IAA Minor Planet Database

2019 BL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5748542000
Semi-major axis (a)2.1327765000 AU
Inclination (i)3.95901000°
Long. of Asc. Node (Ω)124.99921000°
Arg. of Perihelion (ω)43.92291000°
Mean Anomaly (M)58.47528000°
Mean Motion (n)0.3164361300°/day
Perihelion dist (q)0.90674100 AU
Aphelion dist (Q)3.35881200 AU
Orbital Period3.11471290 yr
Physical Parameters
H (abs. magnitude)27.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.670″
Uncertainty4
Orbit TypeApollo
MOID0.006131 AU
Observations Used51
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2019-01-30
Observations (51)
Date Type RA Dec Mag Band Observatory
2019-01-25 11:11:30 C 06 59 03.580 +20 43 40.45 – V F51
2019-01-25 11:31:10 C 06 59 06.814 +20 45 19.89 – V F51
2019-01-25 11:50:41 C 06 59 10.078 +20 46 57.46 – V F51
2019-01-25 12:10:19 C 06 59 13.497 +20 48 36.16 – V F51
2019-01-28 05:05:50 C 07 36 59.82 +33 01 27.3 – U I41
2019-01-28 05:06:20 C 07 37 00.48 +33 01 39.1 – U I41
2019-01-28 05:06:20 C 07 37 00.49 +33 01 39.2 – U I41
2019-01-28 06:06:10 C 07 38 14.85 +33 25 42.0 – U I41
2019-01-28 06:06:40 C 07 38 15.49 +33 25 53.6 – U I41
2019-01-28 06:32:07 C 07 38 47.85 +33 36 15.7 – U I41
2019-01-28 06:32:37 C 07 38 48.50 +33 36 28.4 – U I41
2019-01-28 07:56:58 C 07 40 40.37 +34 11 24.1 – U I41
2019-01-28 07:57:28 C 07 40 40.97 +34 11 37.2 – U I41
2019-01-28 08:02:04 C 07 40 47.36 +34 13 33.3 – U I41
2019-01-28 08:02:34 C 07 40 47.93 +34 13 46.5 – U I41
2019-01-28 08:17:15 C 07 41 08.37 +34 19 57.6 – U I41
2019-01-28 08:17:45 C 07 41 09.06 +34 20 10.9 – U I41
2019-01-29 02:29:47 C 08 30 06.83 +44 52 45.7 – V H01
2019-01-29 02:41:25 C 08 30 56.15 +45 02 02.7 – V H01
2019-01-29 02:41:59 C 08 29 04.24 +45 01 40.3 – V L01
2019-01-29 02:43:13 C 08 29 09.57 +45 02 35.3 – V L01
2019-01-29 02:46:48 C 08 29 24.61 +45 05 16.0 – V L01
2019-01-29 02:49:46 C 08 29 36.97 +45 07 27.7 – V L01
2019-01-29 02:51:47 C 08 31 40.57 +45 10 21.7 – V H01
2019-01-29 02:59:22 C 08 32 13.30 +45 16 27.7 – V H01
2019-01-29 12:07:06 C 09 30 03.69 +53 02 10.8 – r P93
2019-01-29 12:08:06 C 09 30 12.27 +53 03 05.1 – r P93
2019-01-29 12:09:06 C 09 30 20.92 +53 04 01.2 – r P93
2019-01-29 12:11:04 C 09 30 37.96 +53 05 49.9 – r P93
2019-01-29 12:12:04 C 09 30 46.57 +53 06 45.3 – r P93
2019-01-29 12:13:04 C 09 30 55.19 +53 07 40.6 – r P93
2019-01-29 18:21:12 C 10 40 42.65 +57 52 33.9 – V L01
2019-01-29 18:22:14 C 10 40 57.24 +57 53 16.6 – V L01
2019-01-29 18:24:42 C 10 41 32.34 +57 54 57.9 – V L01
2019-01-29 18:26:14 C 10 41 54.26 +57 56 01.4 – V L01
2019-01-29 18:27:03 C 10 42 06.02 +57 56 34.9 – V L01
2019-01-30 00:08:17 C 12 15 09.42 +60 01 54.7 – V 033
2019-01-30 00:08:35 C 12 15 14.80 +60 01 54.3 – V 033
2019-01-30 00:08:53 C 12 15 20.08 +60 01 53.9 – V 033
2019-01-30 00:09:49 C 12 15 36.43 +60 01 52.4 – V 033
2019-01-30 00:10:07 C 12 15 41.98 +60 01 51.8 – V 033
2019-01-30 00:10:24 C 12 15 47.16 +60 01 51.3 – V 033
2019-01-30 00:10:43 C 12 15 52.69 +60 01 51.0 – V 033
2019-01-30 01:37:50 C 12 42 13.79 +59 47 20.4 – V J95
2019-01-30 01:40:10 C 12 42 55.69 +59 46 43.3 – V J95
2019-01-30 01:43:40 C 12 43 58.48 +59 45 45.9 – V J95
2019-01-30 01:46:07 C 12 44 42.27 +59 45 05.0 – V J95
2019-01-30 04:25:02 C 13 30 55.40 +58 25 16.4 – V J95
2019-01-30 04:27:15 C 13 31 32.52 +58 23 41.1 – V J95
2019-01-30 04:29:53 C 13 32 16.67 +58 21 46.5 – V J95