Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 17.  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)
 09/17/2021   09:55:40   (   0.39,-128.01) (   0.28,-127.43)   66.12                80
 09/19/2021   21:56:10   (  -0.38,-127.89) (  -0.48,-128.19)   35.14                80
 09/20/2021   21:40:06   (  -0.39,-127.86) (   0.56,-123.67)  478.53                80
 09/22/2021   09:59:13   (   0.37,-127.87) (   0.61,-128.94)  121.80                80
 09/23/2021   09:43:08   (   0.38,-127.84) (  -0.37,-124.40)  391.75                80
 09/24/2021   22:02:24   (  -0.36,-127.75) (  -0.80,-129.71)  223.22                80
 09/25/2021   21:46:19   (  -0.37,-127.71) (   0.19,-125.17)  289.81                80
 09/27/2021   10:05:26   (   0.35,-127.70) (   0.98,-130.44)  312.07                80
 09/28/2021   09:49:21   (   0.36,-127.67) (  -0.06,-125.91)  200.70                80
 09/29/2021   22:08:37   (  -0.33,-127.56) (  -1.16,-131.20)  415.27                80
 09/30/2021   21:52:32   (  -0.34,-127.52) (  -0.12,-126.68)   97.00                80