Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2021   07:02:23   (  -0.06,-128.26) (  -0.13,-128.54)   32.40                80
 08/20/2021   06:47:30   (  -0.05,-128.28) (   0.53,-125.59)  305.55                80
 08/20/2021   19:11:24   (   0.08,-128.19) (   0.62,-130.74)  289.18                80
 08/22/2021   18:56:31   (   0.07,-128.21) (  -0.04,-127.79)   48.85                80
 08/24/2021   18:44:17   (   0.06,-128.23) (  -0.64,-124.82)  386.89                80
 08/25/2021   07:08:21   (  -0.09,-128.33) (  -0.44,-130.02)  192.46                80
 08/27/2021   06:53:27   (  -0.08,-128.34) (   0.17,-127.06)  145.24                80
 08/27/2021   19:17:22   (   0.11,-128.25) (   0.93,-132.22)  450.24                80
 08/29/2021   06:41:14   (  -0.08,-128.35) (   0.84,-124.11)  482.50                80
 08/29/2021   19:05:08   (   0.11,-128.26) (   0.32,-129.25)  113.04                80