2017 XJ61

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7051287526 ± 5.80e-06
Semi-major axis (a)2.7563017269 AU ± 4.62e-05
Inclination (i)19.68439996° ± 9.72e-05
Long. of Asc. Node (Ω)3.35285340° ± 7.71e-05
Arg. of Perihelion (ω)205.08840331° ± 1.61e-04
Mean Anomaly (M)251.27171477° ± 1.57e-02
Mean Motion (n)0.2153883158°/day ± 5.42e-06
Perihelion dist (q)0.81275413 AU ± 2.10e-05
Aphelion dist (Q)4.69984933 AU ± 8.04e-05
Orbital Period4.57604341 yr ± 1.15e-04
Physical Parameters
H (abs. magnitude)18.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.172″
Uncertainty2
Orbit TypeApollo
MOID0.124221 AU
Observations Used50
Oppositions1
Arc Total2017-2018
First Observation Used2017-12-13
Last Observation Used2018-08-04
Observations (58)
Date Type RA Dec Mag Band Observatory
2018-01-17 05:21:22 C 15 25 39.22 -06 31 01.2 U J04
2018-01-17 05:26:03 C 15 25 40.32 -06 31 13.2 U J04
2018-01-18 05:21:32 C 15 31 23.82 -07 32 16.4 U J04
2018-01-18 05:25:32 C 15 31 24.79 -07 32 26.7 U J04
2018-01-18 05:29:33 C 15 31 25.73 -07 32 36.5 U J04
2018-08-03 12:49:31 C 23 50 55.605 -19 16 40.25 V T12
2018-08-04 13:07:00 C 23 49 35.944 -19 21 59.43 V T12
2018-08-04 13:12:42 C 23 49 35.613 -19 22 00.77 V T12