Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2021   06:43:23   (  -0.06,-127.71) (   0.73,-124.12)  408.95                80
 04/23/2021   19:04:38   (   0.05,-127.76) (   0.37,-129.27)  172.36                80
 04/25/2021   18:55:05   (   0.05,-127.68) (  -0.25,-126.31)  155.41                80
 04/26/2021   07:16:28   (  -0.04,-127.60) (  -0.85,-131.51)  444.10                80
 04/27/2021   18:42:52   (   0.06,-127.60) (  -0.87,-123.36)  482.59                80
 04/28/2021   07:04:14   (  -0.05,-127.51) (  -0.29,-128.54)  117.30                80
 04/30/2021   06:49:22   (  -0.05,-127.42) (   0.34,-125.58)  208.70                80
 04/30/2021   19:10:36   (   0.04,-127.45) (   0.76,-130.74)  374.55                80
 05/02/2021   18:58:23   (   0.04,-127.35) (   0.14,-127.78)   48.98                80
 05/04/2021   18:48:50   (   0.04,-127.25) (  -0.50,-124.82)  276.48                80
 05/05/2021   07:10:13   (  -0.03,-127.18) (  -0.65,-130.01)  322.16                80