2015 BT4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6366189042 ± 3.38e-08
Semi-major axis (a)1.4637327835 AU ± 5.49e-08
Inclination (i)6.21718582° ± 8.81e-06
Long. of Asc. Node (Ω)166.72817977° ± 6.19e-05
Arg. of Perihelion (ω)220.03641990° ± 6.58e-05
Mean Anomaly (M)71.37944347° ± 1.15e-04
Mean Motion (n)0.5565697216°/day ± 3.13e-08
Perihelion dist (q)0.53189282 AU ± 5.33e-08
Aphelion dist (Q)2.39557274 AU ± 1.03e-07
Orbital Period1.77089454 yr ± 9.97e-08
Physical Parameters
H (abs. magnitude)21.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.259″
Uncertainty0
Orbit TypeApollo
MOID0.067553 AU
Observations Used62
Oppositions1
Arc Total2015-2016
First Observation Used2015-01-17
Last Observation Used2016-07-02
Observations (65)
Date Type RA Dec Mag Band Observatory
2016-06-08 08:02:34 C 17 42 19.12 -01 56 28.7 o 926
2016-06-14 07:11:15 C 17 25 06.85 +00 43 38.5 o 926
2016-06-14 07:21:55 C 17 25 05.30 +00 43 51.5 o 926
2016-06-14 07:32:36 C 17 25 03.77 +00 44 03.7 o 926
2016-06-27 22:20:06 C 16 21 34.15 +08 38 54.6 u 104
2016-06-27 22:36:01 C 16 21 29.86 +08 39 20.8 u 104
2016-06-27 22:51:57 C 16 21 25.72 +08 39 48.5 u 104
2016-06-29 10:00:25 C 16 12 05.339 +09 39 43.31 L F51
2016-06-29 10:18:28 C 16 12 00.250 +09 40 14.13 L F51
2016-06-29 10:36:30 C 16 11 55.168 +09 40 44.86 L F51
2016-06-29 10:54:34 C 16 11 50.104 +09 41 15.46 L F51
2016-07-02 06:04:11 C 15 52 26.51 +11 38 10.2 q G96
2016-07-02 06:11:00 C 15 52 24.37 +11 38 21.9 q G96
2016-07-02 06:17:50 C 15 52 22.21 +11 38 34.6 q G96
2016-07-02 06:24:40 C 15 52 20.02 +11 38 46.5 q G96