Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/14/2021   19:30:18   (   0.03,-137.23) (  -0.34,-135.58)  188.01                80
 02/15/2021   07:54:21   (  -0.03,-137.22) (  -0.81,-140.76)  403.41                80
 02/17/2021   07:42:08   (  -0.03,-137.21) (  -0.18,-137.80)   67.73                80
 02/19/2021   07:27:15   (  -0.03,-137.20) (   0.45,-134.84)  267.37                80
 02/19/2021   19:48:30   (   0.03,-137.20) (   0.65,-140.00)  318.46                80
 02/21/2021   19:38:57   (   0.02,-137.18) (   0.02,-137.04)   15.75                80
 02/23/2021   19:26:44   (   0.01,-137.15) (  -0.62,-134.08)  348.57                80
 02/24/2021   07:45:28   (  -0.01,-137.14) (  -0.47,-139.28)  243.72                80
 02/26/2021   07:35:55   (  -0.00,-137.10) (   0.17,-136.32)   88.74                80
 02/26/2021   19:54:29   (   0.00,-137.10) (   0.93,-141.48)  497.82                80