Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 1 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)
 01/09/2021   10:01:35   (   0.22,-128.14) (   0.40,-128.82)   78.48                80
 01/10/2021   09:40:12   (   0.20,-128.12) (  -0.68,-124.30)  435.93                80
 01/11/2021   22:04:47   (  -0.25,-128.14) (  -0.59,-129.59)  165.20                80
 01/12/2021   21:43:23   (  -0.22,-128.12) (   0.43,-125.06)  348.77                80
 01/14/2021   10:07:50   (   0.27,-128.05) (   0.77,-130.32)  258.55                80
 01/15/2021   09:46:26   (   0.24,-128.03) (  -0.24,-125.79)  255.44                80
 01/16/2021   22:11:02   (  -0.29,-128.05) (  -0.96,-131.09)  345.84                80
 01/17/2021   21:49:37   (  -0.26,-128.03) (   0.06,-126.56)  168.05                80
 01/19/2021   10:14:05   (   0.30,-127.95) (   1.14,-131.82)  439.59                80
 01/20/2021   09:52:40   (   0.28,-127.93) (   0.12,-127.29)   74.22                80