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   10:14:21   (   0.04,-127.67) (   0.96,-131.88)  478.95                80
 04/26/2021   09:52:57   (   0.03,-127.63) (  -0.04,-127.35)   32.27                80
 04/28/2021   21:56:09   (  -0.02,-127.51) (  -0.13,-128.13)   69.80                80
 04/29/2021   21:40:05   (  -0.02,-127.47) (   0.87,-123.60)  441.64                80
 05/01/2021   10:01:52   (   0.03,-127.41) (   0.37,-128.86)  165.02                80
 05/02/2021   09:40:29   (   0.02,-127.36) (  -0.69,-124.34)  345.39                80
 05/03/2021   22:02:25   (  -0.03,-127.27) (  -0.54,-129.64)  269.84                80
 05/04/2021   21:46:21   (  -0.03,-127.22) (   0.46,-125.11)  241.33                80
 05/06/2021   10:08:08   (   0.04,-127.18) (   0.78,-130.37)  364.15                80
 05/07/2021   09:46:45   (   0.03,-127.13) (  -0.28,-125.85)  146.25                80