Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/14/2022   22:02:01   (  -0.09,-127.76) (  -0.48,-129.45)  193.48                80
 05/15/2022   21:45:55   (  -0.10,-127.72) (   0.54,-124.92)  319.75                80
 05/17/2022   10:05:02   (   0.08,-127.65) (   0.64,-130.18)  289.09                80
 05/18/2022   09:48:56   (   0.09,-127.60) (  -0.38,-125.65)  223.29                80
 05/19/2022   22:08:11   (  -0.07,-127.55) (  -0.85,-130.94)  386.63                80
 05/20/2022   21:52:05   (  -0.08,-127.51) (   0.17,-126.40)  125.92                80
 05/22/2022   10:11:11   (   0.06,-127.43) (   1.00,-131.67)  482.84                80
 05/23/2022   09:55:05   (   0.07,-127.38) (   0.04,-127.12)   29.50                80
 05/25/2022   21:55:35   (  -0.07,-127.28) (  -0.18,-127.89)   68.72                80
 05/26/2022   21:39:28   (  -0.08,-127.24) (   0.79,-123.34)  443.79                80