Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/11/2021   18:59:23   (  -0.17,-127.64) (  -0.16,-127.82)   19.19                80
 02/13/2021   18:49:50   (  -0.16,-127.73) (  -0.78,-124.86)  326.38                80
 02/14/2021   07:08:34   (   0.20,-127.72) (  -0.32,-130.05)  266.00                80
 02/16/2021   06:59:02   (   0.20,-127.80) (   0.37,-127.10)   79.23                80
 02/18/2021   06:46:49   (   0.19,-127.87) (   1.00,-124.15)  423.96                80
 02/18/2021   19:05:25   (  -0.23,-127.92) (   0.04,-129.31)  157.79                80
 02/20/2021   18:55:52   (  -0.23,-127.99) (  -0.59,-126.35)  186.03                80
 02/21/2021   07:14:36   (   0.27,-127.97) (  -0.50,-131.55)  407.02                80
 02/23/2021   07:02:23   (   0.27,-128.03) (   0.14,-128.59)   63.94                80