Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2021   06:49:09   (   0.02,-128.15) (   0.53,-125.62)  287.63                80
 05/16/2021   19:10:24   (  -0.03,-128.17) (   0.56,-130.77)  296.32                80
 05/18/2021   19:00:51   (  -0.03,-128.22) (  -0.10,-127.82)   44.86                80
 05/20/2021   18:48:38   (  -0.03,-128.26) (  -0.76,-124.87)  385.77                80
 05/21/2021   07:10:02   (   0.04,-128.27) (  -0.33,-130.07)  204.17                80
 05/23/2021   06:55:08   (   0.03,-128.30) (   0.28,-127.10)  136.15                80
 05/23/2021   19:16:23   (  -0.04,-128.31) (   0.81,-132.26)  449.67                80
 05/25/2021   06:42:54   (   0.03,-128.33) (   0.89,-124.14)  475.87                80
 05/25/2021   19:04:09   (  -0.03,-128.34) (   0.20,-129.30)  109.98                80
 05/27/2021   18:54:36   (  -0.03,-128.36) (  -0.47,-126.35)  228.85                80