Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2021   15:25:30   (   0.03, -75.21) (  -0.26, -73.77)  163.80                80
 03/11/2021   03:46:54   (  -0.03, -75.18) (  -0.83, -78.96)  429.47                80
 03/13/2021   03:34:41   (  -0.03, -75.19) (  -0.23, -76.00)   92.35                80
 03/15/2021   03:19:49   (  -0.03, -75.21) (   0.45, -73.05)  245.67                80
 03/15/2021   15:41:03   (   0.03, -75.24) (   0.66, -78.21)  337.25                80
 03/17/2021   15:31:30   (   0.03, -75.26) (   0.05, -75.25)    2.64                80
 03/19/2021   15:19:19   (   0.03, -75.29) (  -0.63, -72.30)  340.40                80
 03/20/2021   03:40:41   (  -0.03, -75.27) (  -0.52, -77.48)  251.99                80
 03/22/2021   03:25:49   (  -0.02, -75.30) (   0.16, -74.54)   87.23                80
 03/22/2021   15:47:04   (   0.02, -75.33) (   0.95, -79.69)  495.86                80