2018 NN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3151600376 ± 7.15e-08
Semi-major axis (a)1.8576597435 AU ± 1.49e-08
Inclination (i)10.07693910° ± 6.18e-06
Long. of Asc. Node (Ω)297.58213293° ± 1.15e-05
Arg. of Perihelion (ω)344.66302835° ± 2.38e-05
Mean Anomaly (M)332.54445050° ± 1.17e-05
Mean Motion (n)0.3892808335°/day ± 4.70e-09
Perihelion dist (q)1.27219963 AU ± 1.33e-07
Aphelion dist (Q)2.44311986 AU ± 1.34e-07
Orbital Period2.53191578 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)20.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty0
Orbit TypeAmor
MOID0.257712 AU
Observations Used146
Oppositions6
Arc Total2013-2023
First Observation Used2013-08-27
Last Observation Used2023-03-20
Observations (153)
Date Type RA Dec Mag Band Observatory
2023-03-20 08:53:38 C 14 44 59.26 -37 23 51.0 V 807
2023-03-20 08:58:57 C 14 44 59.45 -37 23 54.7 V 807
2023-03-20 09:04:18 C 14 44 59.68 -37 23 59.0 V 807