Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2020   19:05:51   (   0.16,-128.21) (   0.35,-129.25)  117.58                80
 12/18/2020   18:56:19   (   0.17,-128.23) (  -0.24,-126.29)  220.44                80
 12/19/2020   07:15:04   (  -0.14,-128.24) (  -0.82,-131.49)  368.97                80
 12/21/2020   07:02:52   (  -0.15,-128.26) (  -0.22,-128.53)   30.95                80
 12/23/2020   06:53:21   (  -0.16,-128.27) (   0.44,-125.58)  306.82                80
 12/23/2020   19:11:57   (   0.13,-128.27) (   0.63,-130.74)  280.70                80
 12/25/2020   19:02:25   (   0.13,-128.28) (   0.03,-127.78)   56.38                80
 12/27/2020   18:50:13   (   0.14,-128.28) (  -0.57,-124.82)  392.88                80
 12/28/2020   07:08:58   (  -0.11,-128.29) (  -0.47,-130.03)  197.64                80
 12/30/2020   06:59:26   (  -0.12,-128.28) (   0.14,-127.07)  138.02                80