Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 1.  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)
 09/01/2021   09:55:44   (   0.44,-128.28) (   0.24,-127.45)   95.61                80
 09/03/2021   21:56:15   (  -0.43,-128.21) (  -0.44,-128.21)    1.16                80
 09/06/2021   09:59:18   (   0.42,-128.24) (   0.58,-128.95)   81.63                80
 09/07/2021   09:43:13   (   0.42,-128.23) (  -0.45,-124.43)  433.71                80
 09/08/2021   22:02:29   (  -0.42,-128.15) (  -0.78,-129.72)  178.89                80
 09/09/2021   21:46:24   (  -0.42,-128.14) (   0.25,-125.19)  336.12                80
 09/11/2021   10:05:32   (   0.41,-128.17) (   0.93,-130.46)  261.28                80
 09/12/2021   09:49:26   (   0.42,-128.15) (  -0.05,-125.92)  253.32                80
 09/13/2021   22:08:42   (  -0.40,-128.07) (  -1.12,-131.23)  360.65                80
 09/14/2021   21:52:38   (  -0.41,-128.04) (  -0.08,-126.70)  153.34                80