Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2021   15:21:50   (   0.07, -75.20) (  -0.27, -73.77)  163.95                80
 10/21/2021   03:43:12   (  -0.07, -75.19) (  -0.86, -78.95)  427.92                80
 10/23/2021   03:30:58   (  -0.07, -75.20) (  -0.21, -76.00)   90.80                80
 10/25/2021   03:16:03   (  -0.07, -75.20) (   0.38, -73.03)  246.77                80
 10/25/2021   15:37:18   (   0.07, -75.22) (   0.70, -78.19)  337.85                80
 10/27/2021   15:25:03   (   0.08, -75.23) (   0.10, -75.23)    2.09                80
 10/29/2021   15:15:29   (   0.08, -75.25) (  -0.57, -72.27)  338.70                80
 10/30/2021   03:34:12   (  -0.08, -75.24) (  -0.55, -77.46)  252.53                80
 11/01/2021   03:21:57   (  -0.08, -75.26) (   0.06, -74.50)   86.75                80
 11/01/2021   15:43:12   (   0.08, -75.28) (   1.03, -79.66)  497.70                80