Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2022   09:48:56   (   0.09,-127.60) (  -0.37,-125.65)  223.51                80
 05/19/2022   22:08:10   (  -0.07,-127.56) (  -0.85,-130.94)  385.60                80
 05/20/2022   21:52:05   (  -0.08,-127.52) (   0.17,-126.40)  127.14                80
 05/22/2022   10:11:11   (   0.06,-127.44) (   1.00,-131.67)  481.87                80
 05/23/2022   09:55:05   (   0.07,-127.39) (   0.04,-127.12)   30.61                80
 05/25/2022   21:55:35   (  -0.07,-127.30) (  -0.17,-127.89)   66.67                80
 05/26/2022   21:39:28   (  -0.08,-127.26) (   0.80,-123.34)  446.07                80
 05/28/2022   09:58:35   (   0.05,-127.18) (   0.36,-128.61)  163.04                80
 05/29/2022   09:42:28   (   0.06,-127.13) (  -0.61,-124.06)  348.89                80
 05/30/2022   22:01:43   (  -0.03,-127.06) (  -0.53,-129.37)  262.52                80
 05/31/2022   21:45:37   (  -0.04,-127.02) (   0.44,-124.83)  249.51                80