Visibility III / V
133819 (2003 XS, 1992 SV1) Filmed on a DS weekend on Sunday .Mars crossing an asteroid discovered by the Linear Socorro Observatory on 3dv December 2003. The nearest comes 0.47Au from the earth, when we photographed there was a distance of 0.525Au .JPL Small-Body-Database you can find an interesting activity Close-Approach Data the distance of the asteroid's orbit to Earth and the planet Mars in several orbits https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=133819;old=0;orb=0;cov=0;log=0;cad=1#cad . Figure 1. a summary image showing movement.
Figure 2. first image, measured 22: 10: 19UT 23h43m55.83s -02d57'19.8 "15.9mag, Horizon 22: 10UT 23h43m55.92s - 02d57'20.7" 15.9mag.
Figure 3. last picture, measured 22: 29: 15UT 23h43m55.23s -02d57'12.8 "16.0mag, Horizon 22: 29UT 23h43m55.34s -02d57'13.8" 15.9mag. UCAC2 30937394 v.12.55mag stars were used for brightness calibration.