Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 13.  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)
 09/13/2021   22:08:43   (  -0.41,-128.06) (  -1.09,-131.23)  360.97                80
 09/14/2021   21:52:37   (  -0.41,-128.03) (  -0.11,-126.69)  152.57                80
 09/16/2021   10:11:45   (   0.39,-128.04) (   1.29,-131.96)  447.04                80
 09/17/2021   09:55:40   (   0.39,-128.02) (   0.25,-127.44)   66.54                80
 09/19/2021   21:56:11   (  -0.38,-127.89) (  -0.44,-128.20)   34.93                80
 09/20/2021   21:40:06   (  -0.39,-127.87) (   0.54,-123.66)  478.68                80
 09/22/2021   09:59:13   (   0.37,-127.87) (   0.63,-128.93)  121.13                80
 09/23/2021   09:43:08   (   0.38,-127.85) (  -0.41,-124.41)  392.51                80
 09/24/2021   22:02:24   (  -0.36,-127.75) (  -0.81,-129.70)  222.79                80
 09/25/2021   21:46:18   (  -0.37,-127.72) (   0.17,-125.16)  290.31                80