Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 4 24.  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)
 05/07/2021   21:59:52   (  73.34,-156.79) 05/07/2021   21:58:44  (  73.33,-159.20)   76.86                68
 05/07/2021   22:50:36   ( -73.23,  10.31) 05/07/2021   22:49:26  ( -73.22,   8.37)   62.36                70
 05/07/2021   23:41:20   (  73.02, 177.17) 05/07/2021   23:40:08  (  73.03, 176.08)   35.60                72
 05/08/2021   00:32:03   ( -72.97, -15.61) 05/08/2021   00:30:50  ( -72.92, -16.37)   25.13                73
 05/08/2021   01:22:47   (  72.75, 151.26) 05/08/2021   01:21:32  (  72.74, 151.33)    2.51                75
 05/08/2021   02:13:29   ( -72.75, -41.42) 05/08/2021   02:12:16  ( -72.73, -41.34)    3.34                73
 05/08/2021   03:04:09   (  72.73, 125.88) 05/08/2021   03:03:02  (  72.74, 125.94)    2.58                67