Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2021   03:33:19   (   0.03, -75.28) (  -0.15, -76.02)   84.71                80
 06/19/2021   03:18:26   (   0.03, -75.30) (   0.48, -73.06)  254.07                80
 06/19/2021   15:42:21   (  -0.02, -75.32) (   0.62, -78.22)  330.29                80
 06/21/2021   15:30:08   (  -0.02, -75.35) (  -0.02, -75.26)    9.28                80
 06/23/2021   15:15:15   (  -0.03, -75.38) (  -0.66, -72.31)  348.25                80
 06/24/2021   03:39:19   (   0.02, -75.37) (  -0.43, -77.50)  242.21                80
 06/26/2021   03:24:26   (   0.03, -75.41) (   0.21, -74.55)   97.46                80
 06/26/2021   15:48:20   (  -0.02, -75.43) (   0.89, -79.71)  486.60                80
 06/28/2021   03:12:13   (   0.04, -75.45) (   0.86, -71.60)  437.95                80
 06/28/2021   15:36:07   (  -0.03, -75.47) (   0.25, -76.75)  145.85                80