221980 (1996 EO)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4007734515 ± 5.17e-08
Semi-major axis (a)1.3415830404 AU ± 1.47e-09
Inclination (i)21.59057162° ± 1.41e-05
Long. of Asc. Node (Ω)356.45730194° ± 9.81e-06
Arg. of Perihelion (ω)64.69894291° ± 1.52e-05
Mean Anomaly (M)107.22082929° ± 1.52e-05
Mean Motion (n)0.6342871847°/day ± 1.04e-09
Perihelion dist (q)0.80391217 AU ± 6.94e-08
Aphelion dist (Q)1.87925391 AU ± 6.94e-08
Orbital Period1.55391171 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)19.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.512″
Uncertainty0
Orbit TypeApollo
MOID0.035031 AU
Observations Used193
Oppositions10
Arc Total1996-2024
First Observation Used1996-03-15
Last Observation Used2024-05-03
Observations (206)
Date Type RA Dec Mag Band Observatory
2024-04-17 05:39:27 C 11 26 17.729 -17 24 40.61 V G96
2024-04-17 05:46:56 C 11 26 17.246 -17 24 40.28 V G96
2024-05-03 06:43:29 C 11 12 03.180 -17 06 25.60 X F51
2024-05-03 06:59:34 C 11 12 02.918 -17 06 25.33 X F51
2024-05-03 07:15:37 C 11 12 02.644 -17 06 24.55 X F51
2024-05-03 07:31:42 C 11 12 02.386 -17 06 24.19 X F51