IAA RAS IAA Minor Planet Database

2019 BY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6833589130
Semi-major axis (a)2.2450995502 AU
Inclination (i)1.55586129°
Long. of Asc. Node (Ω)241.50194913° ± 5.00e+00
Arg. of Perihelion (ω)169.67804096° ± 6.00e+00
Mean Anomaly (M)23.18649776°
Mean Motion (n)0.2929827600°/day
Perihelion dist (q)0.71088020 AU
Aphelion dist (Q)3.77937820 AU
Orbital Period3.36404660 yr
Physical Parameters
H (abs. magnitude)24.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.356″
Uncertainty—
Orbit TypeApollo
MOID0.023409 AU
Observations Used54
Oppositions1
Arc Total2019-2019
First Observation Used—
Last Observation Used2019-02-11
Observations (54)
Date Type RA Dec Mag Band Observatory
2019-01-30 07:09:27 C 08 35 26.80 -02 45 56.4 – V 703
2019-01-30 07:17:03 C 08 35 27.49 -02 45 11.6 – V 703
2019-01-30 07:32:15 C 08 35 28.63 -02 43 41.3 – V 703
2019-01-30 08:38:20 C 08 35 33.83 -02 37 10.0 – V 703
2019-01-30 08:43:54 C 08 35 34.30 -02 36 37.5 – V 703
2019-01-30 09:27:13 C 08 35 37.71 -02 32 23.5 – V 703
2019-01-30 09:28:18 C 08 35 37.76 -02 32 17.6 – V 703
2019-01-30 09:33:03 C 08 35 45.68 -02 29 27.4 – V 474
2019-01-30 09:34:51 C 08 35 45.81 -02 29 16.9 – V 474
2019-01-30 09:36:38 C 08 35 45.98 -02 29 06.5 – V 474
2019-01-30 09:38:26 C 08 35 46.13 -02 28 56.1 – V 474
2019-01-30 12:55:23 C 08 36 01.97 -02 10 13.6 – V 474
2019-01-30 12:57:10 C 08 36 02.12 -02 10 03.7 – V 474
2019-01-30 12:58:58 C 08 36 02.25 -02 09 53.5 – V 474
2019-01-30 13:00:46 C 08 36 02.39 -02 09 43.5 – V 474
2019-01-30 22:12:45 C 08 36 57.77 -01 23 10.4 – V Z99
2019-01-30 22:20:08 C 08 36 58.35 -01 22 32.3 – V Z99
2019-01-30 22:27:30 C 08 36 58.90 -01 21 54.5 – V Z99
2019-01-30 23:19:31 C 08 37 02.80 -01 17 29.1 – V J95
2019-01-30 23:25:21 C 08 37 03.23 -01 16 59.7 – V J95
2019-01-30 23:35:02 C 08 37 03.96 -01 16 11.1 – V J95
2019-01-31 04:01:22 C 08 37 31.03 -00 53 50.9 – V H01
2019-01-31 04:14:47 C 08 37 31.94 -00 52 46.2 – V H01
2019-01-31 04:30:20 C 08 37 32.97 -00 51 31.1 – V H01
2019-01-31 04:37:17 C 08 37 33.43 -00 50 57.8 – V H01
2019-01-31 21:50:09 C 08 38 53.02 +00 25 07.7 – V 033
2019-01-31 21:52:37 C 08 38 53.16 +00 25 17.9 – V 033
2019-01-31 21:55:05 C 08 38 53.29 +00 25 28.2 – V 033
2019-01-31 23:29:17 C 08 38 58.48 +00 31 51.5 – V 033
2019-01-31 23:31:44 C 08 38 58.62 +00 32 01.8 – V 033
2019-01-31 23:34:14 C 08 38 58.74 +00 32 11.8 – V 033
2019-02-01 00:59:32 C 08 39 03.42 +00 37 54.0 – V 033
2019-02-01 01:02:10 C 08 39 03.58 +00 38 04.8 – V 033
2019-02-01 01:04:48 C 08 39 03.72 +00 38 15.2 – V 033
2019-02-01 08:04:32 C 08 39 32.85 +01 05 44.5 – o 711
2019-02-01 08:09:05 C 08 39 33.06 +01 06 01.1 – o 711
2019-02-01 08:13:09 C 08 39 33.25 +01 06 16.6 – o 711
2019-02-01 12:39:53 C 08 39 55.47 +01 22 33.1 – m P93
2019-02-01 13:42:39 C 08 39 58.28 +01 26 18.7 – m P93
2019-02-01 13:55:18 C 08 39 58.76 +01 27 03.6 – m P93
2019-02-02 06:01:14 C 08 40 54.67 +02 20 53.8 – u H21
2019-02-02 06:07:11 C 08 40 54.90 +02 21 12.6 – u H21
2019-02-02 12:21:43 C 08 41 15.92 +02 42 08.0 – V 474
2019-02-02 12:30:37 C 08 41 16.24 +02 42 34.5 – V 474
2019-02-02 12:37:33 C 08 41 16.43 +02 42 54.4 – V 474
2019-02-05 08:38:10 C 08 44 12.681 +05 22 58.67 – U F51
2019-02-05 08:54:21 C 08 44 12.976 +05 23 29.30 – U F51
2019-02-05 09:10:35 C 08 44 13.263 +05 23 59.95 – U F51
2019-02-08 07:46:43 C 08 46 16.63 +07 13 42.6 – V I52
2019-02-08 07:49:06 C 08 46 16.69 +07 13 46.0 – V I52