4450 Pan (1987 SY)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5866098325 ± 7.28e-09
Semi-major axis (a)1.4422058025 AU ± 9.75e-10
Inclination (i)5.52412281° ± 1.74e-06
Long. of Asc. Node (Ω)311.66744527° ± 7.52e-06
Arg. of Perihelion (ω)292.00034399° ± 7.43e-06
Mean Anomaly (M)59.71062924° ± 4.12e-06
Mean Motion (n)0.5690775044°/day ± 5.77e-10
Perihelion dist (q)0.59619370 AU ± 1.05e-08
Aphelion dist (Q)2.28821791 AU ± 1.06e-08
Orbital Period1.73197196 yr ± 1.76e-09
Physical Parameters
H (abs. magnitude)17.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.369″
Uncertainty0
Orbit TypeApollo
MOID0.028818 AU
Observations Used1513
Radar Obs Used1
Oppositions30
Arc Total1937-2025
First Observation Used1937-02-06
Last Observation Used2025-12-20
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-02-13 03:14:00 80318215.39 8 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)