Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 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)
 12/24/2022   22:03:20   (  -0.01,-127.45) (  -0.46,-129.53)  237.08                80
 12/25/2022   21:47:16   (  -0.01,-127.49) (   0.55,-125.00)  282.84                80
 12/27/2022   10:06:27   (   0.00,-127.62) (   0.58,-130.29)  304.00                80
 12/28/2022   09:50:23   (   0.01,-127.65) (  -0.43,-125.76)  216.08                80
 12/29/2022   22:12:21   (   0.01,-127.63) (  -0.75,-131.07)  391.53                80
 12/30/2022   21:50:58   (  -0.00,-127.66) (   0.27,-126.54)  128.36                80
 01/01/2023   10:12:47   (  -0.01,-127.79) (   0.91,-131.81)  458.92                80
 01/02/2023   09:56:44   (  -0.00,-127.82) (  -0.10,-127.28)   60.94                80
 01/04/2023   21:59:59   (  -0.00,-127.82) (  -0.05,-128.06)   27.67                80
 01/05/2023   21:38:35   (  -0.01,-127.85) (   0.98,-123.54)  491.48                80