Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 8 20.  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)
 08/20/2021   03:03:11   ( -72.46, -54.27) 08/20/2021   03:04:24  ( -72.52, -53.88)   15.10                73
 08/20/2021   03:53:55   (  72.26, 112.67) 08/20/2021   03:55:06  (  72.31, 113.86)   40.63                71
 08/20/2021   04:44:38   ( -72.18, -80.15) 08/20/2021   04:45:48  ( -72.22, -78.65)   51.13                70
 08/20/2021   05:35:22   (  71.93,  86.70) 08/20/2021   05:36:29  (  72.01,  89.07)   82.09                67
 08/20/2021   06:26:05   ( -71.85,-106.11) 08/20/2021   06:27:11  ( -71.92,-103.45)   92.46                66