Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2021   07:13:31   (   0.35,-128.24) (  -0.36,-131.60)  381.49                80
 10/21/2021   07:01:17   (   0.35,-128.28) (   0.29,-128.64)   40.37                80
 10/23/2021   06:46:22   (   0.35,-128.32) (   0.88,-125.67)  300.29                80
 10/23/2021   19:10:17   (  -0.34,-128.32) (   0.20,-130.83)  285.41                80
 10/25/2021   18:55:23   (  -0.34,-128.35) (  -0.46,-127.88)   54.53                80
 10/27/2021   18:45:48   (  -0.33,-128.38) (  -1.06,-124.91)  393.82                80
 10/28/2021   07:07:11   (   0.32,-128.39) (  -0.07,-130.10)  195.28                80
 10/30/2021   06:52:17   (   0.32,-128.41) (   0.60,-127.15)  143.49                80
 10/30/2021   19:16:11   (  -0.31,-128.41) (   0.54,-132.30)  442.84                80
 11/01/2021   06:40:02   (   0.32,-128.42) (   1.21,-124.18)  481.87                80
 11/01/2021   19:03:57   (  -0.31,-128.42) (  -0.13,-129.34)  104.51                80