Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/24/2021   07:08:53   (   0.04,-127.67) (  -0.44,-130.02)  266.75                80
 07/26/2021   06:54:00   (   0.06,-127.74) (   0.19,-127.06)   76.55                80
 07/28/2021   06:41:48   (   0.07,-127.81) (   0.88,-124.12)  420.02                80
 07/28/2021   19:05:42   (  -0.04,-127.75) (   0.29,-129.26)  172.32                80
 07/30/2021   18:50:49   (  -0.05,-127.82) (  -0.34,-126.31)  171.18                80
 07/31/2021   07:14:53   (   0.02,-127.92) (  -0.75,-131.50)  407.65                80
 08/02/2021   07:02:40   (   0.03,-127.98) (  -0.11,-128.55)   64.95                80
 08/04/2021   06:47:47   (   0.03,-128.03) (   0.53,-125.59)  277.04                80
 08/04/2021   19:11:42   (  -0.01,-127.96) (   0.57,-130.75)  316.98                80
 08/06/2021   18:56:49   (  -0.01,-128.01) (  -0.07,-127.79)   24.44                80