You would type in the coordinates -11.0, -51.0 on either Bing Maps, Google Maps, or Google Earth.
However, the Xingu river at 11.0°S is near 41°W, not 51°W.
The Liberdade, aka the Jurua, is way over at 65°W.
You may be thinking of two similarly named rivers.
The NASA UARS Satellite fell to earth north-east of Vanuatu, 14.1 degrees South latitude and 170.2 degrees West longitude.
longitude
20 degrees latitude and 23 degrees longitude
Longitude and latitude are measured in terms of degrees, minutes and seconds. Longitude has 360 degrees, while latitude 180 degrees of latitude.
23 degrees latitude and 90 degrees longitude
45 degrees latitude and 59 degrees longitude
latitude - 12 degrees N longitude - 77 degrees E
The longitude is 40 degrees north and latitude is 3 degrees east.
Latitude: 38 degrees South Longitude:145 degrees East
latitude: 40 degrees north longitude:86 degrees west
Its latitude is going to be 60 degrees north, and its longitude will be 24 degrees east.
0 degrees longitude