Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 5 15.  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) (   0.55,-125.62)  287.65                80
 05/16/2021   19:10:24   (  -0.03,-128.18) (   0.54,-130.78)  296.22                80
 05/18/2021   19:00:51   (  -0.03,-128.22) (  -0.11,-127.83)   44.99                80
 05/20/2021   18:48:38   (  -0.03,-128.26) (  -0.77,-124.87)  386.00                80
 05/21/2021   07:10:02   (   0.04,-128.27) (  -0.31,-130.07)  203.98                80
 05/23/2021   06:55:08   (   0.03,-128.30) (   0.29,-127.11)  136.41                80
 05/23/2021   19:16:23   (  -0.04,-128.31) (   0.80,-132.26)  449.35                80
 05/25/2021   06:42:54   (   0.03,-128.33) (   0.90,-124.14)  476.18                80
 05/25/2021   19:04:09   (  -0.03,-128.34) (   0.19,-129.30)  109.57                80
 05/27/2021   18:54:36   (  -0.03,-128.36) (  -0.48,-126.35)  229.29                80
 05/28/2021   07:15:59   (   0.04,-128.38) (  -0.66,-131.53)  359.71                80