... This theory was originally made by Sampson at the beginning of the last century, and improved by Lieske during the seventies for the voyager spacecraft needs (see Lieske, 1977). ...
... From the satellite dy namics it was discovered that Prometheus lagged some 19 ffi behind its predicted position based on the ephemerides derived from Voyager 1 and Voyager 2 ob servations. ...
... Table I. Values of the Jupiter' inverse mass Ob ject of study Pioneer&Voyager Martian landers Minor planets Sun-Jupiter mass ratio 1047.3486 ± 0.0008 1047.34830 0.00017 1047.3488 0.0006 Author Campbell et al., ...