Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/17/2021   15:20:22   (   0.05, -75.22) (  -0.26, -73.76)  166.40                80
 08/18/2021   03:44:26   (  -0.06, -75.21) (  -0.83, -78.95)  425.35                80
 08/20/2021   03:32:12   (  -0.06, -75.20) (  -0.23, -75.99)   89.85                80
 08/22/2021   03:17:19   (  -0.06, -75.20) (   0.43, -73.04)  246.44                80
 08/22/2021   15:41:12   (   0.07, -75.21) (   0.72, -78.18)  338.18                80
 08/24/2021   15:26:20   (   0.06, -75.23) (   0.06, -75.23)    0.83                80
 08/26/2021   15:14:06   (   0.06, -75.25) (  -0.54, -72.27)  337.82                80
 08/27/2021   03:38:09   (  -0.08, -75.24) (  -0.54, -77.47)  252.69                80
 08/29/2021   03:23:15   (  -0.08, -75.27) (   0.07, -74.50)   86.30                80
 08/29/2021   15:47:10   (   0.09, -75.28) (   1.02, -79.66)  498.05                80