Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2021   18:41:32   (  -0.09,-127.72) (  -1.01,-123.36)  495.57                80
 07/17/2021   07:02:56   (   0.08,-127.74) (  -0.07,-128.55)   92.35                80
 07/19/2021   06:48:01   (   0.08,-127.65) (   0.49,-125.58)  235.08                80
 07/19/2021   19:09:16   (  -0.06,-127.59) (   0.60,-130.74)  358.13                80
 07/21/2021   18:57:02   (  -0.07,-127.50) (  -0.02,-127.78)   31.58                80
 07/23/2021   18:44:48   (  -0.07,-127.40) (  -0.64,-124.81)  294.52                80
 07/24/2021   07:08:51   (   0.05,-127.43) (  -0.49,-130.00)  292.61                80
 07/26/2021   06:53:57   (   0.06,-127.33) (   0.13,-127.04)   33.18                80
 07/28/2021   06:41:43   (   0.07,-127.23) (   0.76,-124.08)  359.13                80
 07/28/2021   19:05:36   (  -0.05,-127.16) (   0.39,-129.22)  235.26                80