2017 BL31

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8512188684 ± 5.54e-08
Semi-major axis (a)2.4625555800 AU ± 1.45e-08
Inclination (i)24.78720079° ± 1.60e-05
Long. of Asc. Node (Ω)103.10243549° ± 6.51e-06
Arg. of Perihelion (ω)132.26244670° ± 1.40e-05
Mean Anomaly (M)73.13474507° ± 3.49e-06
Mean Motion (n)0.2550546315°/day ± 2.25e-09
Perihelion dist (q)0.36638181 AU ± 1.36e-07
Aphelion dist (Q)4.55872935 AU ± 1.39e-07
Orbital Period3.86437320 yr ± 3.41e-08
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.194″
Uncertainty0
Orbit TypeApollo
MOID0.142241 AU
Observations Used107
Oppositions5
Arc Total2017-2024
First Observation Used2017-01-26
Last Observation Used2024-12-27
Observations (113)
Date Type RA Dec Mag Band Observatory
2021-02-05 06:54:39 C 03 07 37.77 +36 56 46.1 V T08
2021-02-13 05:31:27 C 01 58 18.737 +35 42 08.52 U F52
2021-02-13 05:48:03 C 01 58 13.027 +35 41 55.77 U F52
2021-02-13 06:04:42 C 01 58 07.297 +35 41 42.72 U F52
2021-02-13 06:21:18 C 01 58 01.581 +35 41 29.78 U F52
2024-11-14 11:22:23 C 09 29 05.327 +14 24 11.77 V G96
2024-11-14 11:29:50 C 09 29 06.198 +14 24 10.66 V G96
2024-11-14 11:37:17 C 09 29 06.911 +14 24 10.19 V G96
2024-11-14 11:44:44 C 09 29 07.728 +14 24 09.54 V G96
2024-12-27 12:47:42 C 13 40 02.086 +09 15 44.06 V 703
2024-12-27 12:54:01 C 13 40 05.185 +09 15 37.04 V 703
2024-12-27 12:56:59 C 13 40 06.690 +09 15 33.30 V 703
2024-12-27 12:59:57 C 13 40 08.188 +09 15 29.92 V 703