Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 21.  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) (   0.60,-128.94)  122.82                80
 09/23/2021   09:43:08   (   0.38,-127.83) (  -0.38,-124.40)  390.53                80
 09/24/2021   22:02:24   (  -0.36,-127.74) (  -0.79,-129.70)  224.02                80
 09/25/2021   21:46:19   (  -0.37,-127.70) (   0.19,-125.17)  288.82                80
 09/27/2021   10:05:26   (   0.35,-127.68) (   0.98,-130.43)  314.07                80
 09/28/2021   09:49:22   (   0.36,-127.64) (  -0.06,-125.91)  198.49                80
 09/29/2021   22:08:37   (  -0.33,-127.55) (  -1.16,-131.20)  417.13                80
 09/30/2021   21:52:31   (  -0.34,-127.50) (  -0.18,-126.66)   94.95                80
 10/03/2021   09:55:34   (   0.32,-127.43) (   0.31,-127.41)    2.65                80