Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 11.  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)
 12/11/2021   09:58:32   (  -0.00,-127.88) (   0.17,-128.80)  103.65                80
 12/12/2021   09:42:25   (   0.01,-127.85) (  -0.78,-124.25)  409.94                80
 12/13/2021   22:01:40   (   0.02,-127.81) (  -0.38,-129.55)  198.82                80
 12/14/2021   21:45:35   (   0.00,-127.77) (   0.64,-125.01)  314.72                80
 12/16/2021   10:04:41   (  -0.02,-127.71) (   0.54,-130.27)  292.22                80
 12/17/2021   09:48:35   (  -0.01,-127.67) (  -0.42,-125.73)  220.80                80
 12/18/2021   22:07:50   (   0.03,-127.61) (  -0.74,-131.03)  389.33                80
 12/19/2021   21:51:45   (   0.01,-127.57) (   0.28,-126.49)  123.43                80
 12/21/2021   10:10:51   (  -0.03,-127.50) (   0.90,-131.76)  484.29                80
 12/22/2021   09:54:44   (  -0.02,-127.46) (  -0.06,-127.21)   28.01                80
 12/24/2021   21:55:13   (   0.03,-127.34) (  -0.13,-127.96)   71.20                80