Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2021   09:42:26   (   0.01,-127.85) (  -0.83,-124.26)  409.87                80
 12/13/2021   22:01:40   (   0.02,-127.80) (  -0.39,-129.55)  198.93                80
 12/14/2021   21:45:35   (   0.00,-127.77) (   0.62,-125.01)  314.55                80
 12/16/2021   10:04:41   (  -0.02,-127.71) (   0.56,-130.27)  292.50                80
 12/17/2021   09:48:35   (  -0.01,-127.67) (  -0.46,-125.74)  220.45                80
 12/18/2021   22:07:50   (   0.03,-127.61) (  -0.76,-131.02)  389.73                80
 12/19/2021   21:51:44   (   0.01,-127.57) (   0.26,-126.49)  122.97                80
 12/21/2021   10:10:51   (  -0.03,-127.50) (   0.92,-131.75)  484.83                80
 12/22/2021   09:54:44   (  -0.02,-127.45) (  -0.05,-127.20)   27.54                80
 12/24/2021   21:55:14   (   0.03,-127.34) (  -0.08,-127.97)   71.93                80
 12/25/2021   21:39:07   (   0.02,-127.29) (   0.88,-123.43)  440.18                80