Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/25/2022   21:55:36   (  -0.07,-127.82) (  -0.09,-127.91)    9.99                80
 05/28/2022   09:58:37   (   0.05,-127.92) (   0.22,-128.64)   82.55                80
 05/29/2022   09:42:31   (   0.06,-127.95) (  -0.81,-124.11)  438.27                80
 05/30/2022   22:01:47   (  -0.03,-128.00) (  -0.34,-129.41)  161.08                80
 05/31/2022   21:45:40   (  -0.05,-128.03) (   0.64,-124.87)  359.69                80
 06/02/2022   10:04:47   (   0.02,-128.08) (   0.46,-130.15)  234.93                80
 06/03/2022   09:48:41   (   0.03,-128.11) (  -0.52,-125.60)  285.36                80
 06/04/2022   22:07:56   (  -0.01,-128.14) (  -0.61,-130.91)  315.24                80
 06/05/2022   21:51:50   (  -0.03,-128.17) (   0.37,-126.36)  205.16                80