Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 3 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)
 03/19/2021   15:19:17   (   0.04, -75.22) (  -0.55, -72.28)  333.01                80
 03/20/2021   03:40:41   (  -0.04, -75.20) (  -0.54, -77.48)  259.44                80
 03/22/2021   03:25:48   (  -0.04, -75.20) (   0.08, -74.52)   76.62                80
 03/24/2021   03:13:35   (  -0.03, -75.20) (   0.71, -71.56)  412.99                80
 03/24/2021   15:34:51   (   0.03, -75.22) (   0.33, -76.73)  171.46                80
 03/26/2021   15:25:18   (   0.03, -75.22) (  -0.30, -73.77)  165.71                80
 03/27/2021   03:46:41   (  -0.03, -75.21) (  -0.85, -78.95)  425.92                80
 03/29/2021   03:34:28   (  -0.02, -75.23) (  -0.21, -76.00)   87.99                80
 03/31/2021   03:19:35   (  -0.03, -75.25) (   0.43, -73.04)  250.39                80
 03/31/2021   15:40:49   (   0.03, -75.26) (   0.67, -78.20)  334.07                80