Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 22.  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)
 09/22/2021   09:59:13   (   0.37,-127.86) (   0.64,-128.93)  122.95                80
 09/23/2021   09:43:08   (   0.38,-127.82) (  -0.40,-124.40)  390.39                80
 09/24/2021   22:02:23   (  -0.36,-127.74) (  -0.83,-129.70)  224.04                80
 09/25/2021   21:46:19   (  -0.37,-127.70) (   0.21,-125.17)  288.79                80
 09/27/2021   10:05:26   (   0.35,-127.68) (   0.96,-130.44)  314.35                80
 09/28/2021   09:49:21   (   0.36,-127.64) (  -0.02,-125.90)  198.14                80
 09/29/2021   22:08:37   (  -0.33,-127.54) (  -1.14,-131.21)  417.32                80
 09/30/2021   21:52:32   (  -0.34,-127.50) (  -0.16,-126.67)   94.68                80
 10/03/2021   09:52:53   (   0.32,-127.42) (   0.35,-127.40)    3.67                80
 10/05/2021   21:56:04   (  -0.31,-127.28) (  -0.52,-128.17)  102.05                80