303712 (2005 PR21)

System parameters

Heliocentric orbitPhotometry Position 2022/03/21 22:18 UTC
DES class = CLASSICAL HV = 6.7±0.5 +23:54:23.57 -00:07:54.4
<a> = 44.22 (AU) V = 22.9 (V2 = 24.3) Uncertainty = 0.1 (arcsec)
<e> = 0.098 Δmag = 1.10 Rates: +3.648, +1.595 ("/hr)
<i> = 2.69 (degrees) B-V = NULL  
Perihelion = 1977 V-R = NULL Opposition: September
Aphelion = 2126    

Astrometric observations

Observation time (UTC)Observatory/InstrumentRADEC Δ (AU)Δx (arcsec) Δx errorΔy (arcsec) Δy error
2007/05/10  12.65722 HST/WFPC2-PC +22:43:42.93 -08:05:26.2 41.19128 -0.12063 0.00579 -0.00398 0.00741
plus proprietary data                

Orbital knowledge

Comments: Orbit known, pending publication. Mirror ambiguity remains.


Last updated: 2022/03/21 22:18 UTC