(Q86971265)
Statements
0.6892
0.689709
0.689709±0.000052
0.6889±0.00013
0.6894
0.688
1±3 milliarcsecond per year
2±3 milliarcsecond per year
144,263±0 kilometre per second
19.13
18.54±0.016
1 reference
18.97
16.82±0.02
16.17±0.02
15.37±0.02
18.235±0.007
1 reference
18.092±0.007
1 reference
17.995±0.018
1 reference
18.127±0.009
1 reference
24,500,000 centimetre per square second