Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 12 14.  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)
 12/14/2021   21:45:35   (   0.00,-127.77) (   0.65,-125.02)  314.44                80
 12/16/2021   10:04:41   (  -0.02,-127.70) (   0.54,-130.28)  292.90                80
 12/17/2021   09:48:35   (  -0.01,-127.66) (  -0.42,-125.73)  219.93                80
 12/18/2021   22:07:50   (   0.03,-127.60) (  -0.74,-131.03)  390.29                80
 12/19/2021   21:51:45   (   0.01,-127.56) (   0.28,-126.49)  122.34                80
 12/21/2021   10:10:51   (  -0.03,-127.49) (   0.90,-131.76)  485.74                80
 12/22/2021   09:54:44   (  -0.02,-127.44) (  -0.06,-127.21)   26.35                80
 12/24/2021   21:55:13   (   0.03,-127.33) (  -0.13,-127.96)   73.12                80
 12/25/2021   21:39:08   (   0.02,-127.28) (   0.89,-123.43)  438.86                80
 12/27/2021   09:58:14   (  -0.04,-127.20) (   0.29,-128.69)  169.78                80