Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2021   03:20:57   (   0.03, -75.19) (   0.14, -74.54)   73.18                80
 12/21/2021   03:08:43   (   0.03, -75.18) (   0.77, -71.58)  408.33                80
 12/21/2021   15:29:57   (  -0.03, -75.19) (   0.32, -76.74)  176.52                80
 12/23/2021   15:20:24   (  -0.02, -75.19) (  -0.31, -73.79)  159.46                80
 12/24/2021   03:41:47   (   0.02, -75.18) (  -0.77, -78.98)  432.44                80
 12/25/2021   15:08:10   (  -0.02, -75.19) (  -0.94, -70.83)  496.09                80
 12/26/2021   03:29:33   (   0.02, -75.18) (  -0.13, -76.03)   95.71                80
 12/28/2021   03:14:38   (   0.02, -75.19) (   0.45, -73.06)  241.58                80
 12/28/2021   15:35:53   (  -0.02, -75.21) (   0.64, -78.22)  343.07                80
 12/30/2021   15:23:39   (  -0.02, -75.22) (  -0.01, -75.27)    5.61                80