Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2021   07:22:03   (   0.03,-137.20) (   0.53,-134.88)  263.70                80
 12/20/2021   19:43:18   (  -0.02,-137.20) (   0.55,-140.04)  321.92                80
 12/22/2021   19:33:43   (  -0.02,-137.19) (  -0.02,-137.07)   13.52                80
 12/24/2021   19:21:29   (  -0.02,-137.18) (  -0.66,-134.12)  347.80                80
 12/25/2021   07:42:53   (   0.02,-137.16) (  -0.41,-139.31)  243.92                80
 12/27/2021   07:27:58   (   0.02,-137.14) (   0.18,-136.35)   90.13                80
 12/27/2021   19:49:13   (  -0.01,-137.14) (   0.90,-141.51)  496.20                80
 12/29/2021   07:15:44   (   0.02,-137.12) (   0.83,-133.40)  423.39                80
 12/29/2021   19:36:58   (  -0.02,-137.11) (   0.31,-138.54)  163.19                80
 12/31/2021   19:27:24   (  -0.02,-137.07) (  -0.36,-135.59)  168.90                80
 01/01/2022   07:48:47   (   0.02,-137.06) (  -0.77,-140.78)  423.31                80