Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 11 15.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/29/2021   00:41:18   (  73.45, 163.19) 11/29/2021   00:40:11  (  73.45, 160.40)   88.32                67