2018 BY4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5129642316 ± 1.62e-06
Semi-major axis (a)1.3715027641 AU ± 3.15e-08
Inclination (i)21.93629906° ± 1.53e-04
Long. of Asc. Node (Ω)291.04224090° ± 1.90e-05
Arg. of Perihelion (ω)38.98347098° ± 2.00e-04
Mean Anomaly (M)52.68516036° ± 1.20e-04
Mean Motion (n)0.6136450642°/day ± 2.11e-08
Perihelion dist (q)0.66797090 AU ± 2.22e-06
Aphelion dist (Q)2.07503463 AU ± 2.22e-06
Orbital Period1.60618302 yr ± 5.53e-08
Physical Parameters
H (abs. magnitude)20.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty0
Orbit TypeApollo
MOID0.239095 AU
Observations Used56
Oppositions3
Arc Total2018-2026
First Observation Used2018-01-11
Last Observation Used2026-01-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2018-01-11 12:05:34 C 07 38 32.340 +20 48 32.29 U F51
2018-01-11 12:43:25 C 07 38 27.524 +20 48 14.04 U F51
2018-01-11 13:02:20 C 07 38 25.118 +20 48 04.68 U F51
2018-01-20 07:40:03 C 07 14 28.863 +19 08 14.64 U F51
2018-01-20 07:58:43 C 07 14 26.912 +19 08 06.29 U F51
2018-01-20 08:17:19 C 07 14 24.955 +19 07 57.78 U F51
2018-01-20 08:35:54 C 07 14 23.008 +19 07 49.39 U F51
2018-01-21 07:27:28 C 07 12 05.19 +18 57 23.1 o 291
2018-01-21 07:44:12 C 07 12 03.55 +18 57 15.6 o 291
2018-01-21 08:00:55 C 07 12 01.84 +18 57 08.1 o 291
2018-01-23 07:56:54 C 07 07 26.92 +18 35 44.3 o 291
2018-01-23 08:15:52 C 07 07 25.09 +18 35 35.1 o 291
2018-01-24 07:37:18 C 07 05 17.90 +18 25 25.2 o 291
2018-01-24 07:45:38 C 07 05 17.10 +18 25 21.3 o 291
2018-01-24 07:53:56 C 07 05 16.45 +18 25 17.2 o 291
2025-11-25 14:18:37 C 09 33 57.122 +35 20 08.44 X F52
2025-11-25 14:34:43 C 09 33 55.784 +35 20 03.98 X F52
2025-11-25 14:50:43 C 09 33 54.450 +35 19 59.57 X F52
2025-11-25 15:06:53 C 09 33 53.106 +35 19 54.90 X F52
2025-11-26 08:27:35 C 09 32 30.510 +35 14 48.00 V 691
2025-11-26 08:39:55 C 09 32 29.520 +35 14 44.70 V 691
2025-11-26 09:03:58 C 09 32 27.488 +35 14 37.46 V V06
2025-11-26 09:05:21 C 09 32 27.366 +35 14 37.54 V V06
2025-11-26 09:06:44 C 09 32 27.287 +35 14 37.46 V V06
2025-11-26 09:08:07 C 09 32 27.157 +35 14 37.25 V V06
2025-11-26 14:42:43 C 09 31 59.187 +35 13 06.04 V T12
2025-11-26 14:46:01 C 09 31 58.902 +35 13 05.30 V T12
2025-11-26 14:48:20 C 09 31 58.702 +35 13 04.60 V T12
2025-11-28 11:25:58 C 09 28 09.332 +35 00 11.05 V V06
2025-11-28 11:31:07 C 09 28 08.864 +35 00 09.58 V V06
2025-11-28 11:36:16 C 09 28 08.396 +35 00 08.03 V V06
2025-11-28 11:41:25 C 09 28 07.918 +35 00 06.73 V V06
2025-12-14 19:10:50 C 08 41 33.962 +32 49 30.12 W O18
2025-12-14 19:14:04 C 08 41 33.474 +32 49 29.08 W O18
2025-12-16 07:08:10 C 08 36 13.78 +32 33 50.7 V H21
2025-12-16 07:13:56 C 08 36 12.90 +32 33 48.3 V H21
2025-12-17 08:20:09 C 08 32 24.824 +32 22 20.28 V G96
2025-12-17 08:27:41 C 08 32 23.618 +32 22 15.96 V G96
2025-12-17 08:35:11 C 08 32 22.524 +32 22 11.96 V G96
2025-12-17 10:51:41 C 08 32 01.881 +32 21 11.07 X F52
2025-12-17 11:09:34 C 08 31 59.056 +32 21 03.02 X F52
2025-12-17 11:27:20 C 08 31 56.254 +32 20 54.90 X F52
2025-12-17 11:45:12 C 08 31 53.437 +32 20 46.78 X F52
2025-12-22 10:05:31 C 08 13 16.590 +31 19 40.26 V G96
2025-12-22 10:13:01 C 08 13 15.316 +31 19 35.11 V G96
2025-12-22 10:20:30 C 08 13 14.095 +31 19 31.80 V G96
2025-12-22 10:27:59 C 08 13 12.871 +31 19 27.48 V G96
2025-12-27 09:14:43 C 07 54 06.206 +30 07 02.74 X F52
2025-12-27 09:31:28 C 07 54 03.459 +30 06 52.07 X F52
2025-12-27 09:48:15 C 07 54 00.702 +30 06 41.33 X F52