2017 BR31

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5538676345 ± 9.79e-08
Semi-major axis (a)2.1482433609 AU ± 5.64e-07
Inclination (i)7.93771873° ± 1.15e-05
Long. of Asc. Node (Ω)251.14693054° ± 1.13e-04
Arg. of Perihelion (ω)184.80746886° ± 1.67e-04
Mean Anomaly (M)297.34442763° ± 4.16e-04
Mean Motion (n)0.3130307911°/day ± 1.23e-07
Perihelion dist (q)0.95840089 AU ± 3.28e-07
Aphelion dist (Q)3.33808583 AU ± 9.01e-07
Orbital Period3.14865602 yr ± 1.24e-06
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.249″
Uncertainty0
Orbit TypeApollo
MOID0.026509 AU
Observations Used57
Oppositions1
Arc Total2017-2019
First Observation Used2017-01-28
Last Observation Used2019-08-20
Observations (59)
Date Type RA Dec Mag Band Observatory
2017-03-15 04:46:16 C 07 38 08.31 +01 40 44.8 o 695
2017-03-29 04:17:42 C 08 18 31.89 +02 47 36.5 o 291
2017-03-29 04:53:30 C 08 18 35.71 +02 47 40.5 o 291
2017-03-29 05:29:24 C 08 18 39.56 +02 47 45.2 o 291
2019-08-19 08:01:49 C 19 59 24.657 -07 52 05.04 V T14
2019-08-19 08:07:31 C 19 59 24.331 -07 52 05.92 V T14
2019-08-19 08:13:13 C 19 59 24.007 -07 52 06.81 V T14
2019-08-20 07:06:08 C 19 58 08.621 -07 55 52.00 V T14
2019-08-20 07:11:51 C 19 58 08.304 -07 55 53.03 V T14