Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2021   07:10:28   (  -0.06,-127.85) (  -0.55,-130.02)  247.10                80
 04/21/2021   06:55:35   (  -0.06,-127.78) (   0.06,-127.06)   81.00                80
 04/23/2021   06:43:22   (  -0.06,-127.70) (   0.68,-124.10)  408.71                80
 04/23/2021   19:04:38   (   0.06,-127.75) (   0.37,-129.27)  173.13                80
 04/25/2021   18:55:05   (   0.06,-127.67) (  -0.25,-126.31)  154.34                80
 04/26/2021   07:16:27   (  -0.05,-127.59) (  -0.91,-131.50)  444.79                80
 04/27/2021   18:42:52   (   0.06,-127.58) (  -0.87,-123.36)  481.21                80
 04/28/2021   07:04:15   (  -0.05,-127.50) (  -0.29,-128.54)  118.28                80
 04/30/2021   06:49:22   (  -0.05,-127.41) (   0.34,-125.58)  207.41                80
 04/30/2021   19:10:36   (   0.04,-127.43) (   0.76,-130.74)  376.38                80
 05/02/2021   18:58:23   (   0.04,-127.33) (   0.14,-127.78)   51.12                80