Posted by Richard Miles at 22:14 on 2013 Mar 06
On 2012 Sep 9, the probes were as follows:Probe, Distance from Sun (AU) / Rate of increase of distance (AU/yr)Pioneer 10, 106.7 / 2.54Pioneer 11, 86.4 / 2.40Voyager 1, 121.8 / 3.60Voyager 2, 99.5 / 3.26
