Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 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)
 04/26/2022   10:01:44   (   0.13,-128.24) (   0.24,-128.76)   59.59                80
 04/27/2022   09:40:19   (   0.14,-128.22) (  -0.76,-124.22)  455.37                80
 04/28/2022   22:02:14   (  -0.12,-128.22) (  -0.44,-129.52)  148.87                80
 04/29/2022   21:46:09   (  -0.13,-128.20) (   0.56,-124.98)  366.24                80
 05/01/2022   10:05:16   (   0.12,-128.15) (   0.58,-130.26)  239.75                80
 05/02/2022   09:49:11   (   0.12,-128.13) (  -0.43,-125.72)  274.69                80
 05/03/2022   22:08:26   (  -0.11,-128.11) (  -0.76,-131.02)  331.23                80
 05/04/2022   21:52:20   (  -0.12,-128.09) (   0.24,-126.48)  183.19                80
 05/06/2022   10:11:27   (   0.10,-128.03) (   0.95,-131.74)  423.27                80
 05/07/2022   09:55:21   (   0.11,-128.01) (  -0.05,-127.21)   90.61                80