612141 (1999 XY143)

System parameters

Heliocentric orbitPhotometry Position 2025/08/22 20:59 UTC
DES class = CLASSICAL HV = 6.40±0.05 +07:18:40.21 +18:23:00.8
<a> = 43.05 (AU) V = 23.0 (V2 = 23.9) Uncertainty = 0.3 (arcsec)
<e> = 0.084 Δmag = 0.38 Rates: +3.096, -0.568 ("/hr)
<i> = 9.11 (degrees) B-V = NULL  
Perihelion = 2214 V-R = 0.60±0.06 Opposition: January
Aphelion = 2071    

Astrometric observations

Observation time (UTC)Observatory/InstrumentRADEC Δ (AU)Δx (arcsec) Δx errorΔy (arcsec) Δy error
2008/09/19  03.85750 HST/WFPC2-PC +05:56:53.09 +21:52:29.3 44.13743 -0.02467 0.00153 -0.07973 0.00175
plus proprietary data                

Orbital knowledge


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