Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2021   20:23:03   (  -0.06,-104.27) (  -0.07,-104.27)    0.58                80
 03/11/2021   08:23:26   (   0.07,-104.42) (   0.22,-105.01)   68.13                80
 03/12/2021   08:07:21   (   0.06,-104.43) (  -0.81,-100.48)  449.54                80
 03/13/2021   20:29:17   (  -0.07,-104.31) (  -0.40,-105.78)  167.60                80
 03/14/2021   20:07:52   (  -0.07,-104.31) (   0.63,-101.25)  348.76                80
 03/16/2021   08:29:39   (   0.08,-104.44) (   0.55,-106.52)  236.69                80
 03/17/2021   08:13:35   (   0.07,-104.46) (  -0.48,-101.99)  281.19                80
 03/18/2021   20:35:30   (  -0.08,-104.36) (  -0.73,-107.28)  333.50                80
 03/19/2021   20:14:06   (  -0.07,-104.35) (   0.31,-102.76)  182.74                80