Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2020   07:08:57   (  -0.11,-128.26) (  -0.48,-130.02)  200.64                80
 12/30/2020   06:59:25   (  -0.11,-128.25) (   0.13,-127.06)  134.42                80
 12/30/2020   19:18:01   (   0.09,-128.25) (   0.93,-132.23)  452.09                80
 01/01/2021   06:47:13   (  -0.13,-128.23) (   0.75,-124.11)  469.06                80
 01/01/2021   19:05:49   (   0.10,-128.24) (   0.31,-129.27)  117.66                80
 01/03/2021   18:56:17   (   0.11,-128.21) (  -0.31,-126.31)  216.39                80
 01/04/2021   07:15:01   (  -0.07,-128.20) (  -0.79,-131.51)  376.52                80
 01/06/2021   07:02:49   (  -0.08,-128.17) (  -0.16,-128.55)   42.85                80
 01/08/2021   06:53:17   (  -0.08,-128.14) (   0.47,-125.59)  290.08                80
 01/08/2021   19:11:53   (   0.05,-128.15) (   0.59,-130.76)  296.67                80
 01/10/2021   19:02:21   (   0.05,-128.11) (  -0.04,-127.80)   35.47                80