Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2021   06:44:50   (   0.09,-128.01) (   0.56,-125.62)  271.12                80
 12/26/2021   19:08:45   (  -0.07,-128.03) (   0.52,-130.78)  312.73                80
 12/28/2021   18:53:51   (  -0.07,-128.08) (  -0.14,-127.82)   29.26                80
 12/30/2021   18:41:37   (  -0.08,-128.12) (  -0.80,-124.87)  370.44                80
 12/31/2021   07:05:40   (   0.06,-128.13) (  -0.33,-130.06)  219.13                80
 01/02/2022   06:50:45   (   0.07,-128.16) (   0.27,-127.10)  121.02                80
 01/02/2022   19:14:40   (  -0.05,-128.18) (   0.80,-132.26)  463.74                80
 01/04/2022   06:38:31   (   0.06,-128.20) (   0.95,-124.15)  460.88                80
 01/04/2022   19:02:25   (  -0.05,-128.21) (   0.18,-129.30)  123.87                80
 01/06/2022   18:47:30   (  -0.05,-128.24) (  -0.44,-126.33)  216.12                80
 01/07/2022   07:11:33   (   0.04,-128.24) (  -0.68,-131.52)  373.37                80