Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2021   15:32:38   (  -0.03, -75.19) (   0.28, -76.75)  176.60                80
 12/23/2021   15:17:43   (  -0.03, -75.19) (  -0.30, -73.78)  159.23                80
 12/24/2021   03:41:47   (   0.02, -75.17) (  -0.78, -78.98)  433.20                80
 12/25/2021   15:05:29   (  -0.02, -75.19) (  -0.94, -70.83)  495.67                80
 12/26/2021   03:29:33   (   0.02, -75.17) (  -0.13, -76.03)   96.66                80
 12/28/2021   03:14:38   (   0.02, -75.18) (   0.46, -73.06)  240.45                80
 12/28/2021   15:38:33   (  -0.01, -75.20) (   0.62, -78.22)  343.64                80
 12/30/2021   15:26:18   (  -0.02, -75.21) (   0.02, -75.26)    7.11                80
 01/01/2022   15:14:04   (  -0.02, -75.22) (  -0.65, -72.31)  331.00                80
 01/02/2022   03:35:27   (   0.02, -75.20) (  -0.48, -77.49)  260.89                80