Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2021   18:46:30   (  -0.36,-127.71) (  -0.98,-124.91)  318.14                80
 09/26/2021   07:05:14   (   0.38,-127.72) (  -0.11,-130.11)  270.75                80
 09/28/2021   06:55:40   (   0.37,-127.64) (   0.49,-127.15)   57.10                80
 09/30/2021   06:43:26   (   0.36,-127.56) (   1.09,-124.18)  384.34                80
 09/30/2021   19:02:01   (  -0.37,-127.50) (  -0.00,-129.34)  208.70                80
 10/02/2021   18:52:27   (  -0.37,-127.41) (  -0.61,-126.38)  118.01                80
 10/03/2021   07:11:10   (   0.37,-127.43) (  -0.53,-131.56)  471.16                80
 10/04/2021   18:40:13   (  -0.36,-127.32) (  -1.22,-123.42)  444.34                80
 10/05/2021   06:58:56   (   0.37,-127.33) (   0.08,-128.60)  144.87                80
 10/07/2021   06:49:22   (   0.37,-127.24) (   0.70,-125.64)  180.99                80
 10/07/2021   19:07:57   (  -0.38,-127.18) (   0.39,-130.80)  412.36                80