Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 20.  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)
 09/20/2021   21:40:06   (  -0.39,-127.86) (   0.56,-123.66)  478.45                80
 09/22/2021   09:59:13   (   0.37,-127.86) (   0.61,-128.93)  122.65                80
 09/23/2021   09:43:08   (   0.38,-127.83) (  -0.37,-124.40)  390.74                80
 09/24/2021   22:02:24   (  -0.36,-127.74) (  -0.80,-129.70)  223.96                80
 09/25/2021   21:46:18   (  -0.37,-127.70) (   0.18,-125.16)  288.92                80
 09/27/2021   10:05:26   (   0.35,-127.69) (   0.99,-130.43)  313.70                80
 09/28/2021   09:49:21   (   0.36,-127.65) (  -0.05,-125.91)  198.90                80
 09/29/2021   22:08:37   (  -0.33,-127.55) (  -1.18,-131.20)  416.84                80
 09/30/2021   21:52:32   (  -0.34,-127.51) (  -0.13,-126.68)   95.26                80
 10/03/2021   09:55:34   (   0.32,-127.44) (   0.32,-127.41)    3.30                80