2018 ET2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6421428114 ± 1.56e-07
Semi-major axis (a)1.6459967783 AU ± 3.64e-08
Inclination (i)50.08713272° ± 2.97e-05
Long. of Asc. Node (Ω)335.22659481° ± 1.13e-05
Arg. of Perihelion (ω)324.69186520° ± 2.01e-05
Mean Anomaly (M)184.96495607° ± 3.74e-05
Mean Motion (n)0.4667333186°/day ± 1.55e-08
Perihelion dist (q)0.58903178 AU ± 2.56e-07
Aphelion dist (Q)2.70296178 AU ± 2.63e-07
Orbital Period2.11175471 yr ± 7.01e-08
Physical Parameters
H (abs. magnitude)19.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.245″
Uncertainty0
Orbit TypeApollo
MOID0.360811 AU
Observations Used54
Oppositions3
Arc Total2016-2022
First Observation Used2016-01-13
Last Observation Used2022-11-08
Observations (55)
Date Type RA Dec Mag Band Observatory
2022-03-26 04:59:06 C 08 58 09.50 +18 02 57.8 V V00
2022-11-08 02:58:02 C 17 54 46.026 +44 22 46.52 V G96
2022-11-08 03:05:12 C 17 54 47.009 +44 22 53.51 V G96
2022-11-08 03:12:23 C 17 54 47.938 +44 23 01.43 V G96
2022-11-08 03:19:31 C 17 54 48.913 +44 23 09.28 V G96