Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 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)
 07/10/2021   09:49:40   (  -0.04,-128.00) (  -0.50,-126.01)  227.91                80
 07/11/2021   22:08:56   (   0.06,-127.87) (  -0.69,-131.31)  391.61                80
 07/12/2021   21:52:51   (   0.05,-127.83) (   0.27,-126.77)  121.12                80
 07/14/2021   10:11:59   (  -0.07,-127.86) (   0.88,-132.04)  477.47                80
 07/15/2021   09:55:55   (  -0.05,-127.82) (  -0.14,-127.52)   34.98                80
 07/17/2021   21:56:26   (   0.06,-127.64) (  -0.08,-128.28)   73.42                80
 07/18/2021   21:40:21   (   0.06,-127.59) (   0.94,-123.75)  438.49                80
 07/20/2021   09:59:29   (  -0.08,-127.60) (   0.21,-129.03)  161.57                80
 07/21/2021   09:43:24   (  -0.07,-127.56) (  -0.75,-124.49)  349.74                80
 07/22/2021   22:02:40   (   0.10,-127.40) (  -0.43,-129.79)  272.52                80
 07/23/2021   21:46:35   (   0.09,-127.35) (   0.53,-125.25)  238.68                80