Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2020   18:50:16   (   0.19,-128.15) (  -0.50,-124.80)  380.14                80
 12/12/2020   07:09:01   (  -0.17,-128.17) (  -0.54,-130.00)  208.35                80
 12/14/2020   06:59:28   (  -0.17,-128.20) (   0.07,-127.04)  131.27                80
 12/14/2020   19:18:04   (   0.15,-128.19) (   0.98,-132.21)  455.92                80
 12/16/2020   06:47:15   (  -0.18,-128.22) (   0.69,-124.08)  470.58                80
 12/16/2020   19:05:51   (   0.16,-128.21) (   0.36,-129.24)  116.78                80
 12/18/2020   18:56:18   (   0.17,-128.24) (  -0.26,-126.28)  222.30                80
 12/19/2020   07:15:02   (  -0.14,-128.25) (  -0.83,-131.48)  367.04                80
 12/21/2020   07:02:49   (  -0.15,-128.27) (  -0.21,-128.51)   27.89                80
 12/23/2020   06:53:16   (  -0.16,-128.29) (   0.42,-125.55)  310.95                80
 12/23/2020   19:11:52   (   0.13,-128.29) (   0.62,-130.72)  276.08                80