Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2021   03:10:46   (  -0.11, -75.19) (   0.64, -71.55)  414.05                80
 09/16/2021   15:34:41   (   0.12, -75.21) (   0.45, -76.70)  170.75                80
 09/18/2021   15:19:48   (   0.12, -75.22) (  -0.19, -73.75)  166.67                80
 09/19/2021   03:43:51   (  -0.12, -75.21) (  -0.91, -78.95)  424.17                80
 09/21/2021   03:31:39   (  -0.12, -75.24) (  -0.26, -76.00)   85.63                80
 09/23/2021   03:16:45   (  -0.12, -75.27) (   0.33, -73.03)  253.75                80
 09/23/2021   15:40:39   (   0.13, -75.29) (   0.77, -78.19)  330.59                80
 09/25/2021   15:25:46   (   0.13, -75.32) (   0.12, -75.24)    9.47                80
 09/27/2021   15:13:33   (   0.14, -75.36) (  -0.53, -72.29)  349.80                80