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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2021   15:38:56   (  -0.03, -75.21) (   0.64, -78.22)  343.03                80
 12/14/2021   15:24:03   (  -0.03, -75.23) (  -0.04, -75.27)    4.57                80
 12/16/2021   15:11:48   (  -0.03, -75.25) (  -0.65, -72.31)  334.86                80
 12/17/2021   03:35:50   (   0.03, -75.25) (  -0.48, -77.50)  256.39                80
 12/19/2021   03:20:56   (   0.03, -75.27) (   0.20, -74.55)   83.18                80
 12/21/2021   03:08:42   (   0.02, -75.30) (   0.82, -71.58)  423.11                80
 12/21/2021   15:29:56   (  -0.02, -75.33) (   0.25, -76.75)  160.69                80
 12/23/2021   15:20:21   (  -0.02, -75.36) (  -0.38, -73.79)  180.06                80
 12/24/2021   03:41:44   (   0.02, -75.36) (  -0.74, -78.97)  410.60                80