Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2021   15:18:08   (  -0.03, -75.18) (  -0.31, -73.79)  157.95                80
 12/08/2021   03:42:12   (   0.03, -75.17) (  -0.76, -78.99)  433.44                80
 12/09/2021   15:05:54   (  -0.03, -75.19) (  -0.98, -70.84)  495.29                80
 12/10/2021   03:29:57   (   0.02, -75.18) (  -0.15, -76.03)   95.85                80
 12/12/2021   03:15:02   (   0.02, -75.20) (   0.46, -73.06)  242.74                80
 12/12/2021   15:38:57   (  -0.02, -75.22) (   0.61, -78.23)  341.79                80
 12/14/2021   15:26:42   (  -0.02, -75.25) (  -0.00, -75.26)    2.69                80
 12/16/2021   15:11:47   (  -0.02, -75.28) (  -0.62, -72.30)  337.65                80
 12/17/2021   03:35:51   (   0.01, -75.27) (  -0.44, -77.50)  252.85                80
 12/19/2021   03:20:56   (   0.01, -75.31) (   0.19, -74.54)   87.64                80
 12/19/2021   15:42:10   (  -0.00, -75.33) (   0.94, -79.69)  496.68                80