The risk list object 2020 DR2 from Siding Spring Observatory Australia - MPC Q62 on 2020-03-01 stacks of 4 - 15 -second luminance BIN2 images taken with T17(0.43-m f/6.8 reflector + CCD).
Sentry: Earth Impact Monitoring( archive) http://archive.is/yjIZm
NEODyS CLOMON2 risk page ( archive) http://archive.ph/HVdHX
also see Jon Giorgini's "Understanding Risk Pages" http://www.hohmanntransfer.com/by/giorgjon.htm
The risk list object 2020 DR2 from Siding Spring Observatory Australia - MPC Q62 on 2020-03-01 a stack of 4 - 15 -second luminance BIN2 images taken with T17(0.43-m f/6.8 reflector + CCD) By Steven M. Tilley |