Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2020   19:02:51   (   0.01,-128.38) (  -0.11,-127.80)   65.15                80
 07/20/2020   18:50:40   (   0.02,-128.38) (  -0.75,-124.85)  402.00                80
 07/21/2020   07:12:04   (  -0.02,-128.40) (  -0.38,-130.04)  186.34                80
 07/23/2020   06:57:13   (  -0.02,-128.40) (   0.26,-127.08)  149.55                80
 07/23/2020   19:18:29   (   0.02,-128.37) (   0.81,-132.24)  439.33                80
 07/25/2020   06:45:02   (   0.02,-128.39) (   0.90,-124.13)  484.23                80
 07/25/2020   19:06:18   (  -0.02,-128.37) (   0.17,-129.29)  104.56                80
 07/27/2020   18:56:47   (  -0.01,-128.36) (  -0.47,-126.34)  230.99                80
 07/28/2020   07:18:10   (  -0.02,-128.38) (  -0.71,-131.51)  356.40                80
 07/30/2020   07:05:59   (  -0.01,-128.37) (  -0.06,-128.56)   22.20                80