Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2022   22:09:21   (  -0.36,-127.73) (  -1.12,-131.12)  386.57                80
 09/09/2022   21:53:17   (  -0.36,-127.71) (  -0.13,-126.59)  127.51                80
 09/11/2022   10:15:05   (   0.35,-127.73) (   1.31,-131.86)  472.15                80
 09/12/2022   09:53:41   (   0.35,-127.70) (   0.25,-127.34)   41.35                80
 09/14/2022   21:56:53   (  -0.35,-127.59) (  -0.48,-128.10)   59.37                80
 09/15/2022   21:40:49   (  -0.35,-127.56) (   0.53,-123.57)  454.31                80
 09/17/2022   10:02:37   (   0.34,-127.57) (   0.65,-128.84)  146.01                80
 09/18/2022   09:41:13   (   0.34,-127.53) (  -0.35,-124.31)  366.67                80
 09/19/2022   22:03:10   (  -0.33,-127.43) (  -0.81,-129.62)  249.79                80
 09/20/2022   21:47:05   (  -0.33,-127.40) (   0.20,-125.09)  263.25                80