(Q66550172)
Statements
WEB 7451
−11 milliarcsecond per year
−18 milliarcsecond per year
27.9 kilometre per second
27.9±3 kilometre per second
7.45±0.01
7.31±0.007
7.07±0.009
6.486±0.02
6.37±0.02
4,900 centimetre per square second
2,500 centimetre per square second