Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2023   08:41:32   (  -0.00,-104.73) (   0.75,-108.02)  376.07                80
 04/13/2023   08:20:09   (   0.01,-104.72) (  -0.30,-103.50)  139.85                80
 04/14/2023   20:42:06   (  -0.01,-104.72) (  -0.89,-108.80)  464.23                80
 04/15/2023   20:26:01   (  -0.01,-104.72) (   0.10,-104.26)   52.18                80
 04/18/2023   08:29:05   (   0.01,-104.71) (   0.10,-104.99)   32.72                80
 04/19/2023   08:07:42   (  -0.02,-104.71) (  -0.96,-100.47)  483.11                80
 04/20/2023   20:29:39   (   0.02,-104.71) (  -0.22,-105.77)  120.58                80
 04/21/2023   20:13:35   (   0.02,-104.71) (   0.78,-101.23)  396.08                80
 04/23/2023   08:35:23   (  -0.02,-104.71) (   0.39,-106.50)  204.56                80
 04/24/2023   08:13:58   (  -0.02,-104.70) (  -0.61,-101.96)  311.78                80