2021 JY4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3847720795 ± 1.50e-03
Semi-major axis (a)2.1011327576 AU ± 2.43e-02
Inclination (i)11.49456378° ± 4.14e-01
Long. of Asc. Node (Ω)62.05507352° ± 2.97e-01
Arg. of Perihelion (ω)155.83942311° ± 6.80e+00
Mean Anomaly (M)180.17620787° ± 1.19e+01
Mean Motion (n)0.3236175277°/day ± 5.61e-03
Perihelion dist (q)1.29267554 AU ± 1.53e-02
Aphelion dist (Q)2.90958998 AU ± 3.38e-02
Orbital Period3.04565173 yr ± 5.28e-02
Physical Parameters
H (abs. magnitude)23.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.119″
Uncertainty5
Orbit TypeAmor
MOID0.293424 AU
Observations Used10
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-10
Last Observation Used2021-05-11
Observations (10)
Date Type RA Dec Mag Band Observatory
2021-05-10 11:21:56 C 15 20 33.105 -07 02 47.40 U F51
2021-05-10 11:40:11 C 15 20 32.602 -07 03 17.43 U F51
2021-05-10 11:59:32 C 15 20 32.061 -07 03 49.27 U F51
2021-05-11 05:08:57 C 15 20 11.51 -07 31 47.1 V 807
2021-05-11 05:15:20 C 15 20 11.31 -07 31 57.8 V 807
2021-05-11 05:20:55 C 15 20 11.15 -07 32 07.0 V 807
2021-05-11 08:03:35 C 15 20 07.70 -07 37 07.3 V H01
2021-05-11 08:18:44 C 15 20 07.27 -07 37 32.3 V H01
2021-05-11 08:29:47 C 15 20 06.97 -07 37 50.7 V H01
2021-05-11 08:37:59 C 15 20 06.76 -07 38 04.0 V H01