Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 12 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2021   15:24:03   (  -0.03, -75.23) (  -0.03, -75.27)    4.55                80
 12/16/2021   15:11:48   (  -0.03, -75.25) (  -0.65, -72.31)  334.73                80
 12/17/2021   03:35:50   (   0.03, -75.24) (  -0.48, -77.50)  256.68                80
 12/19/2021   03:20:56   (   0.03, -75.27) (   0.20, -74.55)   82.78                80
 12/21/2021   03:08:41   (   0.02, -75.30) (   0.83, -71.58)  422.61                80
 12/21/2021   15:29:55   (  -0.02, -75.32) (   0.31, -76.73)  161.08                80
 12/23/2021   15:20:21   (  -0.02, -75.36) (  -0.38, -73.79)  179.57                80
 12/24/2021   03:41:44   (   0.02, -75.35) (  -0.74, -78.97)  411.24                80
 12/26/2021   03:29:29   (   0.01, -75.40) (  -0.11, -76.01)   69.89                80