Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2023   12:03:46   (  -0.00,-154.65) (   0.89,-158.70)  461.87                80
 05/31/2023   11:42:21   (   0.02,-155.07) (  -0.18,-154.18)  101.18                80
 06/02/2023   00:04:20   (   0.01,-155.70) (  -0.81,-159.53)  435.11                80
 06/02/2023   23:48:15   (  -0.00,-156.12) (   0.27,-155.01)  127.38                80
 06/04/2023   12:10:05   (  -0.04,-156.77) (   0.74,-160.32)  403.54                80
 06/05/2023   11:48:40   (  -0.01,-157.18) (  -0.33,-155.80)  158.11                80
 06/07/2023   00:10:37   (   0.05,-157.80) (  -0.71,-161.13)  380.35                80
 06/07/2023   23:54:33   (   0.03,-158.21) (   0.37,-156.61)  181.05                80
 06/09/2023   12:13:42   (  -0.06,-158.84) (   0.63,-161.92)  351.06                80
 06/10/2023   11:57:38   (  -0.04,-159.25) (  -0.45,-157.40)  210.09                80
 06/12/2023   00:16:55   (   0.07,-159.85) (  -0.58,-162.74)  329.13                80
 06/13/2023   00:00:51   (   0.05,-160.26) (   0.50,-158.22)  231.83                80