Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 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)
 02/13/2021   18:47:06   (   0.14,-128.00) (  -0.53,-124.81)  363.06                80
 02/14/2021   07:11:10   (  -0.15,-128.01) (  -0.56,-130.00)  225.98                80
 02/16/2021   06:56:18   (  -0.15,-128.22) (   0.13,-127.05)  133.88                80
 02/16/2021   19:20:13   (   0.16,-128.33) (   0.97,-132.21)  441.10                80
 02/18/2021   06:44:05   (  -0.14,-128.44) (   0.76,-124.09)  493.25                80
 02/18/2021   19:08:01   (   0.15,-128.54) (   0.28,-129.26)   81.85                80
 02/20/2021   18:53:08   (   0.15,-128.74) (  -0.35,-126.30)  276.78                80
 02/21/2021   07:17:12   (  -0.16,-128.75) (  -0.74,-131.50)  312.46                80
 02/23/2021   07:02:20   (  -0.15,-128.95) (  -0.05,-128.55)   45.21                80
 02/25/2021   06:50:07   (  -0.15,-129.14) (   0.59,-125.60)  402.36                80
 02/25/2021   19:14:02   (   0.15,-129.23) (   0.51,-130.75)  173.83                80