Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2022   21:52:01   (  -0.02,-128.15) (   0.36,-126.41)  198.42                80
 06/07/2022   10:11:11   (  -0.00,-128.19) (   0.78,-131.69)  399.00                80
 06/08/2022   09:55:08   (   0.01,-128.21) (  -0.22,-127.16)  119.55                80
 06/09/2022   22:14:27   (   0.02,-128.24) (  -0.91,-132.49)  483.76                80
 06/10/2022   21:58:24   (   0.00,-128.26) (   0.10,-127.96)   34.69                80
 06/13/2022   09:58:50   (  -0.02,-128.31) (   0.04,-128.72)   46.27                80
 06/14/2022   09:42:46   (  -0.01,-128.32) (  -0.91,-124.18)  471.15                80
 06/15/2022   22:02:05   (   0.04,-128.32) (  -0.21,-129.50)  134.28                80
 06/16/2022   21:46:02   (   0.03,-128.33) (   0.80,-124.98)  383.02                80
 06/18/2022   10:05:12   (  -0.06,-128.36) (   0.34,-130.26)  216.44                80