Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 9.  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)
 09/11/2021   10:05:31   (   0.42,-128.17) (   0.95,-130.45)  260.61                80
 09/12/2021   09:49:27   (   0.42,-128.15) (  -0.09,-125.93)  253.48                80
 09/13/2021   22:08:42   (  -0.41,-128.06) (  -1.14,-131.22)  361.33                80
 09/14/2021   21:52:38   (  -0.41,-128.03) (  -0.11,-126.70)  152.12                80
 09/16/2021   10:11:45   (   0.39,-128.04) (   1.28,-131.96)  447.81                80
 09/17/2021   09:55:40   (   0.39,-128.01) (   0.24,-127.44)   65.70                80
 09/19/2021   21:56:11   (  -0.38,-127.89) (  -0.44,-128.21)   35.94                80
 09/20/2021   21:40:06   (  -0.39,-127.86) (   0.55,-123.67)  477.59                80
 09/22/2021   09:59:13   (   0.37,-127.86) (   0.63,-128.94)  122.55                80
 09/23/2021   09:43:09   (   0.38,-127.83) (  -0.41,-124.41)  390.99                80