Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 5 10.  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)
 05/11/2021   10:14:27   (   0.06,-128.06) (   0.95,-131.93)  441.60                80
 05/12/2021   09:53:04   (   0.05,-128.08) (  -0.12,-127.41)   77.36                80
 05/14/2021   21:56:17   (  -0.05,-128.10) (  -0.05,-128.19)   10.42                80
 05/17/2021   10:02:00   (   0.06,-128.22) (   0.21,-128.93)   81.46                80
 05/18/2021   09:40:36   (   0.05,-128.24) (  -0.79,-124.40)  436.70                80
 05/19/2021   22:02:33   (  -0.06,-128.21) (  -0.38,-129.72)  171.49                80
 05/20/2021   21:46:29   (  -0.06,-128.23) (   0.63,-125.19)  347.07                80
 05/22/2021   10:08:17   (   0.06,-128.33) (   0.54,-130.46)  243.20                80
 05/23/2021   09:46:53   (   0.06,-128.34) (  -0.46,-125.93)  274.42                80