Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2021   08:23:42   (  -0.01,-104.10) (   0.20,-105.02)  105.79                80
 06/16/2021   08:07:37   (   0.01,-104.10) (  -0.77,-100.49)  410.78                80
 06/17/2021   20:26:57   (   0.02,-104.32) (  -0.31,-105.82)  170.40                80
 06/18/2021   20:10:52   (   0.00,-104.32) (   0.66,-101.28)  345.83                80
 06/20/2021   08:30:01   (  -0.04,-104.09) (   0.51,-106.55)  281.20                80
 06/21/2021   08:13:57   (  -0.02,-104.09) (  -0.46,-102.02)  235.16                80
 06/22/2021   20:33:16   (   0.06,-104.31) (  -0.62,-107.35)  345.89                80
 06/23/2021   20:17:12   (   0.04,-104.31) (   0.35,-102.81)  170.02                80
 06/25/2021   08:36:21   (  -0.08,-104.07) (   0.82,-108.09)  458.03                80
 06/26/2021   08:20:17   (  -0.07,-104.06) (  -0.16,-103.55)   58.15                80