2011 GP59 flew by 1.4 lunar distances

Near Earth Asteroids

I observed 2011 GP59 with x64 frame integration and WAT-120N+ video camera and 8" telescope. Astrometry was reduced from the videos using Tangra and reported to MPC.





Reported astrometry:

Designation T Tech N Date Right Ascension Declination App Mag Site code
yr-mo-day precision hr:min:sec precision deg min sec precision mag/col
2011GP59 O n 2011-04-14.52366 1.000E-06 14:03:50.710 1.500E-01 -02° 05' 50.40" 1.000E-01 13.7 R E24
2011GP59 O n 2011-04-14.52563 1.000E-06 14:03:41.310 1.500E-01 -02° 06' 49.90" 1.000E-01 13.6 R E24
2011GP59 O n 2011-04-14.52590 1.000E-06 14:03:40.010 1.500E-01 -02° 06' 58.20" 1.000E-01 13.6 R E24


Designation Site code Date Right Ascension Declination χ Used A App Mag Used M
yr-mo-day rms F bias residual rms F bias residual rms residual
2011GP59 E24 2011-04-14.52366 1.000 F 0.000 0.253 1.000 F 0.000 0.074 0.28 Yes 0.70 -0.14 Yes
2011GP59 E24 2011-04-14.52563 1.000 F 0.000 0.162 1.000 F 0.000 0.179 0.26 Yes 0.70 -0.23 Yes
2011GP59 E24 2011-04-14.52590 1.000 F 0.000 0.447 1.000 F 0.000 0.245 0.54 Yes 0.70 -0.23 Yes