Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2021   06:47:30   (  -0.05,-128.28) (   0.54,-125.59)  305.40                80
 08/20/2021   19:11:24   (   0.08,-128.20) (   0.61,-130.74)  288.98                80
 08/22/2021   18:56:30   (   0.07,-128.21) (   0.00,-127.78)   49.03                80
 08/24/2021   18:44:17   (   0.06,-128.23) (  -0.66,-124.83)  386.93                80
 08/25/2021   07:08:21   (  -0.09,-128.32) (  -0.42,-130.02)  192.86                80
 08/27/2021   06:53:27   (  -0.08,-128.33) (   0.18,-127.06)  144.75                80
 08/27/2021   19:17:21   (   0.12,-128.25) (   0.97,-132.21)  450.33                80
 08/29/2021   06:41:13   (  -0.08,-128.34) (   0.79,-124.10)  481.96                80
 08/29/2021   19:05:08   (   0.11,-128.26) (   0.30,-129.26)  113.27                80
 08/31/2021   18:50:14   (   0.11,-128.26) (  -0.32,-126.30)  223.23                80
 09/01/2021   07:14:17   (  -0.14,-128.35) (  -0.82,-131.48)  356.48                80