Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 12 11.  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   03:15:03   (   0.03, -75.19) (   0.49, -73.07)  241.09                80
 12/12/2021   15:38:57   (  -0.03, -75.21) (   0.58, -78.23)  343.02                80
 12/14/2021   15:24:02   (  -0.03, -75.23) (  -0.03, -75.27)    4.22                80
 12/16/2021   15:11:48   (  -0.03, -75.26) (  -0.65, -72.31)  335.15                80
 12/17/2021   03:35:51   (   0.03, -75.25) (  -0.42, -77.51)  255.96                80
 12/19/2021   03:20:56   (   0.03, -75.28) (   0.20, -74.55)   83.76                80
 12/21/2021   03:08:41   (   0.02, -75.31) (   0.82, -71.58)  423.86                80
 12/21/2021   15:29:56   (  -0.02, -75.33) (   0.25, -76.75)  160.01                80
 12/23/2021   15:20:21   (  -0.02, -75.37) (  -0.38, -73.79)  180.89                80
 12/24/2021   03:41:44   (   0.02, -75.37) (  -0.74, -78.97)  409.64                80