Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 25.  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)
 09/25/2021   21:46:19   (  -0.37,-127.70) (   0.20,-125.17)  289.13                80
 09/27/2021   10:05:26   (   0.35,-127.67) (   0.96,-130.44)  314.75                80
 09/28/2021   09:49:21   (   0.36,-127.64) (  -0.02,-125.90)  197.69                80
 09/29/2021   22:08:37   (  -0.33,-127.54) (  -1.15,-131.21)  417.20                80
 09/30/2021   21:52:32   (  -0.34,-127.50) (  -0.16,-126.67)   94.76                80
 10/03/2021   09:52:53   (   0.32,-127.42) (   0.34,-127.40)    2.91                80
 10/05/2021   21:56:04   (  -0.31,-127.27) (  -0.52,-128.17)  102.18                80
 10/06/2021   21:39:59   (  -0.32,-127.22) (   0.47,-123.63)  409.38                80
 10/08/2021   09:59:06   (   0.30,-127.17) (   0.70,-128.90)  197.05                80