Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 9 4.  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)
 09/06/2021   09:59:18   (   0.43,-128.24) (   0.60,-128.95)   80.87                80
 09/07/2021   09:43:13   (   0.43,-128.23) (  -0.44,-124.42)  434.65                80
 09/08/2021   22:02:29   (  -0.42,-128.16) (  -0.74,-129.73)  177.55                80
 09/09/2021   21:46:24   (  -0.42,-128.15) (   0.24,-125.19)  337.64                80
 09/11/2021   10:05:31   (   0.42,-128.18) (   0.94,-130.46)  259.67                80
 09/12/2021   09:49:27   (   0.42,-128.17) (  -0.09,-125.93)  255.09                80
 09/13/2021   22:08:43   (  -0.41,-128.09) (  -1.08,-131.24)  358.49                80
 09/14/2021   21:52:38   (  -0.41,-128.06) (  -0.10,-126.70)  155.63                80
 09/16/2021   10:11:45   (   0.39,-128.08) (   1.28,-131.97)  443.46                80
 09/17/2021   09:55:41   (   0.39,-128.06) (   0.25,-127.44)   70.67                80