Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2021   06:49:43   (   0.36,-127.89) (   0.83,-125.67)  253.06                80
 09/21/2021   19:08:17   (  -0.37,-127.84) (   0.26,-130.83)  340.14                80
 09/23/2021   18:56:03   (  -0.37,-127.77) (  -0.33,-127.86)   11.12                80
 09/25/2021   18:46:30   (  -0.36,-127.70) (  -0.98,-124.91)  317.98                80
 09/26/2021   07:05:14   (   0.38,-127.73) (  -0.11,-130.11)  270.00                80
 09/28/2021   06:55:40   (   0.37,-127.65) (   0.49,-127.14)   58.03                80
 09/30/2021   06:43:26   (   0.36,-127.57) (   1.08,-124.18)  385.47                80
 09/30/2021   19:02:01   (  -0.37,-127.50) (   0.01,-129.34)  208.38                80
 10/02/2021   18:52:27   (  -0.37,-127.42) (  -0.59,-126.38)  118.47                80
 10/03/2021   07:11:11   (   0.37,-127.44) (  -0.49,-131.57)  469.71                80
 10/04/2021   18:40:13   (  -0.36,-127.33) (  -1.20,-123.42)  444.99                80