2004 FY31

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5543223000
Semi-major axis (a)2.1698357000 AU
Inclination (i)11.17057000°
Long. of Asc. Node (Ω)28.70029000°
Arg. of Perihelion (ω)197.48055000°
Mean Anomaly (M)272.38918000°
Mean Motion (n)0.3083640900°/day
Perihelion dist (q)0.96704740 AU
Aphelion dist (Q)3.37262400 AU
Orbital Period3.19624660 yr
Physical Parameters
H (abs. magnitude)21.97
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.310″
Uncertainty7
Orbit TypeApollo
MOID0.017571 AU
Observations Used56
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2004-04-11
Observations (58)
Date Type RA Dec Mag Band Observatory
2004-04-09 00:35:38 C 19 53 41.28 +54 34 51.5 o J95
2004-04-09 00:40:33 C 19 53 51.20 +54 33 15.0 o J95
2004-04-09 01:42:39 C 19 55 54.75 +54 12 38.4 o J95
2004-04-09 11:26:00 C 20 14 13.84 +50 43 46.1 c 926
2004-04-09 11:26:28 C 20 14 14.62 +50 43 36.5 c 926
2004-04-09 11:26:57 C 20 14 15.40 +50 43 25.4 c 926
2004-04-11 11:18:08 C 21 19 37.83 +29 58 29.6 c 926
2004-04-11 11:18:35 C 21 19 38.35 +29 58 16.5 c 926
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2004-04-14 12:56:00 -114290.4 20 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)