Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2022   21:45:40   (  -0.05,-128.02) (   0.63,-124.86)  358.68                80
 06/02/2022   10:04:47   (   0.02,-128.06) (   0.46,-130.14)  236.68                80
 06/03/2022   09:48:41   (   0.03,-128.09) (  -0.51,-125.60)  283.33                80
 06/04/2022   22:07:56   (  -0.01,-128.12) (  -0.64,-130.90)  317.36                80
 06/05/2022   21:51:51   (  -0.02,-128.15) (   0.40,-126.37)  202.72                80
 06/07/2022   10:10:57   (  -0.00,-128.19) (   0.76,-131.64)  392.84                80
 06/08/2022   09:54:51   (   0.01,-128.21) (  -0.22,-127.09)  126.83                80
 06/09/2022   22:14:06   (   0.02,-128.23) (  -0.92,-132.40)  475.00                80
 06/10/2022   21:58:00   (   0.00,-128.25) (   0.12,-127.87)   44.54                80
 06/13/2022   09:58:20   (  -0.02,-128.30) (   0.06,-128.59)   33.44                80