Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 4 23.  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)
 04/23/2021   21:52:33   (  -0.02,-127.72) (   0.22,-126.61)  126.46                80
 04/25/2021   10:14:21   (   0.03,-127.67) (   0.96,-131.88)  479.07                80
 04/26/2021   09:52:57   (   0.02,-127.63) (  -0.04,-127.35)   32.08                80
 04/28/2021   21:56:09   (  -0.02,-127.51) (  -0.13,-128.13)   70.29                80
 04/29/2021   21:40:05   (  -0.02,-127.46) (   0.87,-123.60)  441.08                80
 05/01/2021   10:01:52   (   0.03,-127.41) (   0.37,-128.86)  165.49                80
 05/02/2021   09:40:28   (   0.02,-127.36) (  -0.63,-124.33)  344.86                80
 05/03/2021   22:02:25   (  -0.03,-127.26) (  -0.54,-129.64)  270.60                80
 05/04/2021   21:46:21   (  -0.03,-127.21) (   0.46,-125.11)  240.52                80
 05/06/2021   10:08:08   (   0.03,-127.17) (   0.77,-130.37)  364.89                80