Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 24.  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)
 04/25/2021   10:14:20   (   0.04,-127.67) (   1.00,-131.87)  478.94                80
 04/26/2021   09:52:57   (   0.03,-127.63) (  -0.06,-127.35)   32.40                80
 04/28/2021   21:56:09   (  -0.03,-127.51) (  -0.18,-128.12)   69.37                80
 04/29/2021   21:40:04   (  -0.02,-127.47) (   0.82,-123.59)  442.08                80
 05/01/2021   10:01:53   (   0.03,-127.42) (   0.36,-128.86)  164.66                80
 05/02/2021   09:40:28   (   0.02,-127.37) (  -0.64,-124.33)  345.76                80
 05/03/2021   22:02:24   (  -0.03,-127.27) (  -0.59,-129.63)  269.21                80
 05/04/2021   21:46:21   (  -0.03,-127.23) (   0.47,-125.11)  242.03                80
 05/06/2021   10:08:08   (   0.04,-127.18) (   0.77,-130.37)  363.52                80
 05/07/2021   09:46:44   (   0.03,-127.13) (  -0.23,-125.84)  146.92                80