Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/09/2021   06:53:00   (   0.14,-127.51) (   0.55,-125.60)  217.20                80
 02/09/2021   19:11:36   (  -0.18,-127.56) (   0.50,-130.77)  364.49                80
 02/11/2021   18:59:23   (  -0.17,-127.65) (  -0.12,-127.81)   18.87                80
 02/13/2021   18:49:50   (  -0.16,-127.73) (  -0.75,-124.85)  326.77                80
 02/14/2021   07:08:35   (   0.20,-127.72) (  -0.29,-130.06)  265.51                80
 02/16/2021   06:59:02   (   0.20,-127.80) (   0.34,-127.10)   79.86                80
 02/18/2021   06:46:49   (   0.19,-127.88) (   0.97,-124.14)  424.83                80
 02/18/2021   19:05:24   (  -0.23,-127.93) (   0.07,-129.31)  156.92                80
 02/20/2021   18:55:52   (  -0.23,-128.00) (  -0.56,-126.35)  187.09                80
 02/21/2021   07:14:36   (   0.27,-127.98) (  -0.47,-131.56)  405.86                80