Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 1 26.  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)
 01/26/2021   03:15:02   (  72.65, 122.99) 01/26/2021   03:16:10  (  72.64, 122.90)    3.59                68
 01/26/2021   04:05:45   ( -72.61, -69.78) 01/26/2021   04:06:54  ( -72.63, -69.78)    2.64                69
 01/26/2021   04:56:26   (  72.53,  97.40) 01/26/2021   04:57:39  (  72.59,  97.62)    9.95                73
 01/26/2021   05:47:09   ( -72.49, -95.36) 01/26/2021   05:48:22  ( -72.54, -94.96)   14.60                73
 01/26/2021   06:37:53   (  72.25,  71.51) 01/26/2021   06:39:03  (  72.29,  72.84)   45.45                70
 01/26/2021   07:28:36   ( -72.21,-121.25) 01/26/2021   07:29:46  ( -72.24,-119.74)   51.31                70
 01/26/2021   08:19:21   (  71.92,  45.54) 01/26/2021   08:20:27  (  71.99,  48.05)   86.95                66
 01/26/2021   09:10:04   ( -71.88,-147.21) 01/26/2021   09:11:10  ( -71.93,-144.54)   92.62                66