Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2021 10 6.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2021   22:09:30   (  77.62,-171.45) 10/19/2021   22:08:24  (  77.61,-174.88)   81.88                66
 10/19/2021   23:00:15   ( -77.48,  -4.74) 10/19/2021   22:59:05  ( -77.46,  -6.84)   50.87                70
 10/19/2021   23:51:00   (  77.25, 161.63) 10/19/2021   23:49:46  (  77.28, 161.27)    9.34                74