469505 (2003 FE128)

System parameters

Heliocentric orbit	Photometry	Position 2025/08/22 20:59 UTC
DES class = 2:1E	H_V = 6.4±0.2	+16:37:00.20 -18:39:33.9
<a> = 47.80 (AU)	V = 22.0 (V₂ = 23.1)	Uncertainty = 0.1 (arcsec)
<e> = 0.253	Δ_mag = 0.67	Rates: +0.012, -0.229 ("/hr)
<i> = 3.31 (degrees)	B-V = NULL
Perihelion = 2009	V-R = 0.69±0.04	Opposition: June
Aphelion = 2174

Astrometric observations

Observation time (UTC)	Observatory/Instrument	RA	DEC	Δ (AU)	Δx (arcsec)	Δx error	Δy (arcsec)	Δy error
2010/06/25 18.38028	HST/WFC3	+14:44:14.72	-12:56:51.0	35.20696	-0.01218	0.00141	-0.08297	0.00118
plus proprietary data

Orbital knowledge

Comments: Binary discovered by Brown et al. HST program 11644.

Last updated: 2025/08/22 20:59 UTC