Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 18.  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)
 09/19/2021   21:56:11   (  -0.38,-127.89) (  -0.46,-128.20)   35.16                80
 09/20/2021   21:40:06   (  -0.39,-127.86) (   0.58,-123.67)  478.36                80
 09/22/2021   09:59:13   (   0.37,-127.86) (   0.59,-128.94)  122.26                80
 09/23/2021   09:43:08   (   0.38,-127.83) (  -0.39,-124.40)  391.24                80
 09/24/2021   22:02:24   (  -0.36,-127.74) (  -0.78,-129.71)  223.70                80
 09/25/2021   21:46:19   (  -0.37,-127.71) (   0.20,-125.17)  289.28                80
 09/27/2021   10:05:26   (   0.35,-127.69) (   0.97,-130.44)  312.83                80
 09/28/2021   09:49:21   (   0.36,-127.66) (  -0.02,-125.90)  199.86                80
 09/29/2021   22:08:37   (  -0.33,-127.56) (  -1.15,-131.21)  416.08                80
 09/30/2021   21:52:32   (  -0.34,-127.51) (  -0.16,-126.67)   96.09                80