2018 ER2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4107712000
Semi-major axis (a)2.0416219000 AU
Inclination (i)4.02404000°
Long. of Asc. Node (Ω)22.78014000°
Arg. of Perihelion (ω)133.44381000°
Mean Anomaly (M)234.95485000°
Mean Motion (n)0.3378633500°/day
Perihelion dist (q)1.20298240 AU
Aphelion dist (Q)2.88026140 AU
Orbital Period2.91717830 yr
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.120″
Uncertainty5
Orbit TypeAmor
MOID0.219197 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-03-27
Observations (15)
Date Type RA Dec Mag Band Observatory
2018-03-07 07:58:29 C 11 26 16.638 +18 16 01.59 U F51
2018-03-07 08:15:17 C 11 26 16.985 +18 15 44.91 U F51
2018-03-07 08:32:02 C 11 26 17.357 +18 15 28.30 U F51
2018-03-07 08:48:48 C 11 26 17.688 +18 15 11.44 U F51
2018-03-08 06:03:08 C 11 26 54.04 +17 53 50.1 U 807
2018-03-08 06:13:54 C 11 26 54.28 +17 53 38.9 U 807
2018-03-08 06:24:56 C 11 26 54.47 +17 53 27.0 U 807
2018-03-12 04:07:12 C 11 29 35.74 +16 13 59.9 U 807
2018-03-12 04:20:23 C 11 29 35.97 +16 13 45.9 U 807
2018-03-12 04:33:35 C 11 29 36.18 +16 13 31.6 U 807
2018-03-20 10:52:12 C 11 34 45.93 +12 33 22.2 o 291
2018-03-20 11:02:18 C 11 34 46.17 +12 33 10.3 o 291
2018-03-27 04:54:57 C 11 39 06.48 +09 34 12.7 U 807
2018-03-27 05:12:50 C 11 39 06.81 +09 33 52.8 U 807
2018-03-27 05:30:11 C 11 39 07.17 +09 33 33.9 U 807