Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 7 14.  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)
 07/14/2021   10:11:59   (  -0.07,-127.86) (   0.89,-132.04)  476.92                80
 07/15/2021   09:55:55   (  -0.06,-127.82) (  -0.13,-127.51)   35.63                80
 07/17/2021   21:56:25   (   0.07,-127.65) (  -0.10,-128.28)   72.40                80
 07/18/2021   21:40:21   (   0.06,-127.60) (   0.93,-123.75)  439.72                80
 07/20/2021   09:59:29   (  -0.08,-127.62) (   0.23,-129.02)  159.93                80
 07/21/2021   09:43:24   (  -0.08,-127.57) (  -0.74,-124.48)  351.53                80
 07/22/2021   22:02:40   (   0.10,-127.42) (  -0.45,-129.79)  270.62                80
 07/23/2021   21:46:36   (   0.09,-127.37) (   0.58,-125.26)  240.76                80
 07/25/2021   10:05:44   (  -0.11,-127.38) (   0.58,-130.54)  359.36                80
 07/26/2021   09:49:38   (  -0.10,-127.33) (  -0.39,-126.00)  152.01                80
 07/27/2021   22:08:55   (   0.12,-127.17) (  -0.79,-131.30)  470.21                80