2003 QR91

System parameters

Heliocentric orbitPhotometry Position 2022/03/21 22:19 UTC
DES class = SCATNEAR HV = 6.9±0.5 +22:47:25.40 -04:16:12.9
<a> = 46.60 (AU) V = 23.0 (V2 = 23.8) Uncertainty = 0.1 (arcsec)
<e> = 0.181 Δmag = 0.20 Rates: +3.663, +1.571 ("/hr)
<i> = 5.39 (degrees) B-V = NULL  
Perihelion = 1989 V-R = NULL Opposition: September
Aphelion = 2150    

Astrometric observations

Observation time (UTC)Observatory/InstrumentRADEC Δ (AU)Δx (arcsec) Δx errorΔy (arcsec) Δy error
2009/09/04  12.42292 HST/WFC3-UVIS +21:32:22.67 -11:44:41.0 38.24970 -0.00582 0.00565 +0.01170 0.01316
2009/09/05  02.59517 HST/WFC3-UVIS +21:32:20.03 -11:44:54.6 38.25353 +0.01316 0.00981 -0.00448 0.01194
2009/09/06  15.54958 HST/WFC3-UVIS +21:32:13.20 -11:45:30.0 38.26396 -0.00985 0.00452 +0.02065 0.01304
2010/05/05  16.23695 HST/WFC3-UVIS +21:44:02.40 -10:48:02.6 39.41985 +0.00700 0.00643 -0.01369 0.00800
2010/05/12  01.71917 HST/WFC3-UVIS +21:44:12.76 -10:46:37.2 39.31420 +0.00769 0.00573 -0.00153 0.00682
plus proprietary data                

Orbital knowledge

Comments: Pushing the spatial resolution limit of HST, data probably not reliable.


Last updated: 2022/03/21 22:19 UTC