Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 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)
 09/15/2021   07:24:08   (   0.04,-137.21) (   0.53,-134.87)  265.47                80
 09/15/2021   19:45:23   (  -0.04,-137.20) (   0.56,-140.03)  321.58                80
 09/17/2021   19:35:50   (  -0.03,-137.20) (  -0.08,-137.08)   14.56                80
 09/19/2021   19:23:36   (  -0.03,-137.20) (  -0.66,-134.11)  350.43                80
 09/20/2021   07:45:00   (   0.03,-137.20) (  -0.43,-139.31)  239.48                80
 09/22/2021   07:30:07   (   0.03,-137.20) (   0.21,-136.35)   96.18                80
 09/22/2021   19:51:22   (  -0.03,-137.19) (   0.88,-141.51)  491.15                80
 09/24/2021   07:17:54   (   0.03,-137.19) (   0.86,-133.40)  431.33                80
 09/24/2021   19:39:09   (  -0.03,-137.18) (   0.24,-138.56)  156.21                80
 09/26/2021   19:29:35   (  -0.02,-137.16) (  -0.35,-135.60)  178.11                80
 09/27/2021   07:50:59   (   0.02,-137.16) (  -0.73,-140.79)  412.14                80