Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 10 8.  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)
 10/08/2021   09:59:09   (   0.30,-127.96) (   0.54,-128.93)  110.90                80
 10/09/2021   09:43:04   (   0.31,-127.99) (  -0.51,-124.40)  409.39                80
 10/10/2021   22:02:20   (  -0.29,-128.02) (  -0.65,-129.71)  192.84                80
 10/11/2021   21:46:15   (  -0.30,-128.04) (   0.34,-125.17)  326.92                80
 10/13/2021   10:05:22   (   0.27,-128.10) (   0.82,-130.44)  267.68                80
 10/14/2021   09:49:18   (   0.28,-128.13) (  -0.23,-125.92)  251.85                80
 10/15/2021   22:08:34   (  -0.25,-128.15) (  -0.92,-131.23)  351.13                80
 10/16/2021   21:52:29   (  -0.26,-128.17) (   0.07,-126.69)  168.50                80
 10/18/2021   10:11:36   (   0.23,-128.23) (   1.09,-131.96)  426.04                80
 10/19/2021   09:55:31   (   0.24,-128.25) (   0.04,-127.44)   93.60                80
 10/21/2021   21:58:42   (  -0.23,-128.29) (  -0.19,-128.21)   10.06                80