538644 (2016 FA4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7934371914 ± 3.82e-08
Semi-major axis (a)1.0919109856 AU ± 4.88e-09
Inclination (i)16.20966335° ± 5.43e-06
Long. of Asc. Node (Ω)53.62175620° ± 3.12e-05
Arg. of Perihelion (ω)281.73953031° ± 2.92e-05
Mean Anomaly (M)91.39252016° ± 1.59e-05
Mean Motion (n)0.8638362465°/day ± 5.79e-09
Perihelion dist (q)0.22554820 AU ± 4.17e-08
Aphelion dist (Q)1.95827377 AU ± 4.26e-08
Orbital Period1.14098741 yr ± 7.65e-09
Physical Parameters
H (abs. magnitude)19.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeApollo
MOID0.163342 AU
Observations Used153
Oppositions1
Arc Total2016-2025
First Observation Used2016-03-18
Last Observation Used2025-04-01
Observations (163)
Date Type RA Dec Mag Band Observatory
2024-04-19 07:41:29 C 09 49 59.207 +46 20 11.65 X F52
2024-04-19 07:53:49 C 09 49 55.107 +46 20 07.00 X F52
2024-04-24 08:26:37 C 09 12 22.303 +45 10 55.75 X F51
2024-04-24 08:43:32 C 09 12 17.203 +45 10 41.98 X F51
2024-04-24 09:00:30 C 09 12 12.124 +45 10 27.95 X F51
2025-02-27 10:04:16 C 12 19 01.680 +31 33 28.75 X F51
2025-02-27 10:21:20 C 12 18 59.900 +31 33 45.72 X F51
2025-02-27 10:38:26 C 12 18 58.123 +31 34 02.54 X F51
2025-02-27 10:55:35 C 12 18 56.326 +31 34 19.43 X F51
2025-04-01 07:48:35 C 10 36 13.668 +38 40 19.65 X F51
2025-04-01 08:05:50 C 10 36 11.476 +38 40 19.01 X F51
2025-04-01 08:23:08 C 10 36 09.310 +38 40 17.98 X F51
2025-04-01 08:40:25 C 10 36 07.146 +38 40 17.36 X F51