508774 (1999 JE1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7016722354 ± 1.23e-07
Semi-major axis (a)1.3232092836 AU ± 5.85e-09
Inclination (i)20.91118210° ± 2.18e-05
Long. of Asc. Node (Ω)53.05170489° ± 8.06e-06
Arg. of Perihelion (ω)302.74228630° ± 1.64e-05
Mean Anomaly (M)113.11862208° ± 3.49e-05
Mean Motion (n)0.6475442739°/day ± 4.30e-09
Perihelion dist (q)0.39475007 AU ± 1.63e-07
Aphelion dist (Q)2.25166850 AU ± 1.63e-07
Orbital Period1.52209868 yr ± 1.01e-08
Physical Parameters
H (abs. magnitude)20.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.572″
Uncertainty0
Orbit TypeApollo
MOID0.024272 AU
Observations Used159
Oppositions8
Arc Total1999-2021
First Observation Used1999-05-07
Last Observation Used2021-02-01
Observations (164)
Date Type RA Dec Mag Band Observatory
2017-12-29 11:03:06 C 13 14 38.80 +32 41 35.8 U G96
2017-12-29 11:10:31 C 13 14 38.74 +32 41 44.9 U G96
2017-12-29 11:17:56 C 13 14 38.63 +32 41 55.4 U G96
2020-12-27 13:00:59 C 14 09 53.50 +36 08 11.1 V G96
2020-12-27 13:06:30 C 14 09 53.07 +36 08 24.5 V G96
2020-12-27 13:12:01 C 14 09 52.74 +36 08 38.3 V G96
2020-12-27 13:17:33 C 14 09 52.38 +36 08 52.5 V G96
2021-01-03 12:58:51 C 13 57 34.53 +42 45 31.3 V G96
2021-01-03 13:06:17 C 13 57 33.87 +42 45 48.5 V G96
2021-01-03 13:13:42 C 13 57 33.21 +42 46 05.7 V G96
2021-01-03 13:21:06 C 13 57 32.54 +42 46 22.4 V G96
2021-02-01 13:00:01 C 11 53 29.590 +62 38 03.55 U F51
2021-02-01 13:17:04 C 11 53 24.629 +62 38 16.53 U F51
2021-02-01 13:33:55 C 11 53 19.762 +62 38 28.97 U F51