Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2021   07:14:36   (  -0.06,-128.24) (  -0.76,-131.50)  370.86                80
 08/18/2021   07:02:23   (  -0.06,-128.26) (  -0.11,-128.55)   32.39                80
 08/20/2021   06:47:30   (  -0.05,-128.28) (   0.49,-125.58)  305.56                80
 08/20/2021   19:11:24   (   0.08,-128.19) (   0.60,-130.74)  289.27                80
 08/22/2021   18:56:30   (   0.07,-128.21) (  -0.00,-127.78)   48.79                80
 08/24/2021   18:44:17   (   0.06,-128.23) (  -0.66,-124.83)  386.79                80
 08/25/2021   07:08:21   (  -0.09,-128.33) (  -0.42,-130.02)  192.52                80
 08/27/2021   06:53:27   (  -0.08,-128.34) (   0.19,-127.06)  145.18                80
 08/27/2021   19:17:21   (   0.11,-128.25) (   0.97,-132.21)  450.33                80
 08/29/2021   06:41:13   (  -0.08,-128.35) (   0.80,-124.10)  482.47                80
 08/29/2021   19:05:08   (   0.11,-128.26) (   0.30,-129.26)  113.17                80