2018 ER3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4865236000
Semi-major axis (a)2.0189366000 AU
Inclination (i)5.23380000°
Long. of Asc. Node (Ω)147.80356000°
Arg. of Perihelion (ω)51.98670000°
Mean Anomaly (M)235.82087000°
Mean Motion (n)0.3435738000°/day
Perihelion dist (q)1.03667630 AU
Aphelion dist (Q)3.00119690 AU
Orbital Period2.86869270 yr
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.320″
Uncertainty8
Orbit TypeAmor
MOID0.075391 AU
Observations Used8
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-03-13
Observations (8)
Date Type RA Dec Mag Band Observatory
2018-03-07 08:07:47 C 11 37 04.733 +20 41 52.17 U F51
2018-03-07 08:24:33 C 11 37 08.970 +20 42 27.10 U F51
2018-03-07 08:58:04 C 11 37 17.495 +20 43 37.73 U F51
2018-03-09 06:50:32 C 11 50 32.80 +22 18 31.9 u H21
2018-03-09 07:04:08 C 11 50 36.71 +22 19 00.3 u H21
2018-03-09 07:20:39 C 11 50 41.44 +22 19 34.7 u H21
2018-03-13 06:25:59 C 12 24 15.66 +25 45 35.5 u H21
2018-03-13 06:41:31 C 12 24 21.43 +25 46 08.7 u H21