Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2021   18:46:12   (  -0.36,-128.05) (  -1.01,-124.92)  355.33                80
 10/12/2021   07:07:35   (   0.36,-128.07) (  -0.07,-130.12)  232.45                80
 10/14/2021   06:52:41   (   0.36,-128.12) (   0.57,-127.16)  109.67                80
 10/14/2021   19:13:56   (  -0.36,-128.12) (   0.52,-132.32)  476.63                80
 10/16/2021   06:40:27   (   0.35,-128.17) (   1.21,-124.20)  451.72                80
 10/16/2021   19:01:42   (  -0.35,-128.18) (  -0.12,-129.36)  134.51                80
 10/18/2021   18:52:08   (  -0.35,-128.23) (  -0.76,-126.41)  207.63                80
 10/19/2021   07:13:31   (   0.35,-128.25) (  -0.37,-131.59)  379.83                80
 10/21/2021   07:01:17   (   0.35,-128.30) (   0.28,-128.64)   38.08                80
 10/23/2021   06:46:23   (   0.35,-128.35) (   0.94,-125.68)  303.15                80
 10/23/2021   19:10:17   (  -0.34,-128.34) (   0.21,-130.83)  283.63                80