Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2022   09:59:04   (   0.13,-128.23) (   0.26,-128.75)   59.69                80
 04/27/2022   09:40:19   (   0.14,-128.22) (  -0.74,-124.22)  455.28                80
 04/28/2022   22:02:15   (  -0.12,-128.22) (  -0.40,-129.53)  148.96                80
 04/29/2022   21:46:09   (  -0.13,-128.20) (   0.60,-124.99)  366.10                80
 05/01/2022   10:05:16   (   0.12,-128.15) (   0.60,-130.25)  239.97                80
 05/02/2022   09:49:10   (   0.12,-128.13) (  -0.40,-125.72)  274.45                80
 05/03/2022   22:08:25   (  -0.11,-128.11) (  -0.79,-131.01)  331.48                80
 05/04/2022   21:52:20   (  -0.12,-128.09) (   0.22,-126.48)  182.94                80
 05/06/2022   10:11:27   (   0.10,-128.03) (   0.92,-131.75)  423.64                80
 05/07/2022   09:55:22   (   0.11,-128.00) (  -0.09,-127.22)   90.25                80