Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 15.  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   06:47:16   (  -0.18,-128.22) (   0.70,-124.08)  470.29                80
 12/16/2020   19:05:51   (   0.16,-128.21) (   0.35,-129.25)  117.42                80
 12/18/2020   18:56:18   (   0.17,-128.23) (  -0.27,-126.29)  221.47                80
 12/19/2020   07:15:02   (  -0.14,-128.24) (  -0.82,-131.48)  367.75                80
 12/21/2020   07:02:49   (  -0.15,-128.26) (  -0.20,-128.52)   28.85                80
 12/23/2020   06:53:16   (  -0.16,-128.28) (   0.42,-125.56)  309.75                80
 12/23/2020   19:11:52   (   0.13,-128.28) (   0.62,-130.72)  277.52                80
 12/25/2020   19:02:19   (   0.13,-128.29) (  -0.01,-127.76)   60.51                80
 12/27/2020   18:50:05   (   0.14,-128.29) (  -0.58,-124.79)  397.78                80
 12/28/2020   07:08:50   (  -0.11,-128.30) (  -0.44,-130.00)  192.56                80