2018 DN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6772613763
Semi-major axis (a)2.1602149842 AU
Inclination (i)3.84388266°
Long. of Asc. Node (Ω)333.76914168°
Arg. of Perihelion (ω)107.21475506°
Mean Anomaly (M)170.10805581°
Mean Motion (n)0.3089319100°/day
Perihelion dist (q)0.69509510 AU
Aphelion dist (Q)3.63925710 AU
Orbital Period3.19037180 yr
Physical Parameters
H (abs. magnitude)28.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.495″
Uncertainty
Orbit TypeApollo
MOID0.001901 AU
Observations Used12
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-02-27
Observations (12)
Date Type RA Dec Mag Band Observatory
2018-02-26 05:59:53 C 10 28 04.67 -00 15 43.4 U G96
2018-02-26 06:07:28 C 10 28 07.54 -00 15 36.8 U G96
2018-02-26 06:15:02 C 10 28 10.24 -00 15 30.6 U G96
2018-02-26 06:22:38 C 10 28 13.01 -00 15 24.8 U G96
2018-02-26 07:11:18 C 10 28 29.99 -00 14 46.5 U I52
2018-02-26 07:14:46 C 10 28 31.22 -00 14 43.8 U I52
2018-02-26 07:17:10 C 10 28 32.10 -00 14 42.2 U I52
2018-02-26 09:25:49 C 10 29 14.07 -00 13 06.7 U I52
2018-02-26 09:26:56 C 10 29 14.41 -00 13 06.6 U I52
2018-02-26 09:28:02 C 10 29 14.74 -00 13 04.9 U I52
2018-02-27 07:23:54 C 10 35 30.08 -00 02 56.7 V G96
2018-02-27 07:30:36 C 10 35 30.77 -00 02 53.3 V G96