2019 ER1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1303517938 ± 7.76e-08
Semi-major axis (a)1.2080226310 AU ± 7.32e-09
Inclination (i)8.29353594° ± 6.34e-06
Long. of Asc. Node (Ω)344.86790823° ± 6.02e-06
Arg. of Perihelion (ω)227.59672133° ± 5.89e-05
Mean Anomaly (M)338.45866681° ± 4.57e-05
Mean Motion (n)0.7423345440°/day ± 6.75e-09
Perihelion dist (q)1.05055471 AU ± 9.40e-08
Aphelion dist (Q)1.36549055 AU ± 9.41e-08
Orbital Period1.32773867 yr ± 1.21e-08
NGA Modelr2
A2-1.85246634e-13 ± 3.55e-14 AU/d²
Physical Parameters
H (abs. magnitude)23.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.236″
Uncertainty0
Orbit TypeAmor
MOID0.083329 AU
Observations Used91
Oppositions2
Arc Total2014-2023
First Observation Used2014-12-29
Last Observation Used2023-03-16
Observations (110)
Date Type RA Dec Mag Band Observatory
2023-03-14 05:36:52 C 10 43 48.634 -06 25 13.19 V G96
2023-03-14 05:44:58 C 10 43 47.262 -06 25 44.87 V G96
2023-03-14 06:02:46 C 10 43 44.245 -06 26 54.42 V G96
2023-03-14 06:12:00 C 10 43 42.668 -06 27 30.35 V G96
2023-03-15 22:11:11 B 10 37 49.826 -09 05 00.42 X K74
2023-03-15 22:21:36 B 10 37 48.084 -09 05 41.64 X K74
2023-03-15 22:32:00 B 10 37 46.349 -09 06 22.64 X K74
2023-03-16 21:57:50 C 10 34 17.395 -10 39 23.08 V B67
2023-03-16 22:06:44 C 10 34 15.864 -10 39 58.79 V B67
2023-03-16 22:15:38 C 10 34 14.333 -10 40 34.28 V B67