Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 24.  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,-127.70) (  -0.96,-124.91)  318.06                80
 09/26/2021   07:05:14   (   0.38,-127.72) (  -0.13,-130.10)  270.60                80
 09/28/2021   06:55:40   (   0.37,-127.65) (   0.47,-127.14)   57.26                80
 09/30/2021   06:43:26   (   0.36,-127.56) (   1.07,-124.18)  384.54                80
 09/30/2021   19:02:01   (  -0.37,-127.50) (   0.03,-129.34)  208.69                80
 10/02/2021   18:52:27   (  -0.37,-127.41) (  -0.58,-126.37)  118.02                80
 10/03/2021   07:11:11   (   0.37,-127.43) (  -0.50,-131.57)  470.89                80
 10/04/2021   18:40:13   (  -0.36,-127.32) (  -1.19,-123.41)  444.38                80
 10/05/2021   06:58:57   (   0.37,-127.34) (   0.11,-128.61)  144.58                80
 10/07/2021   06:49:23   (   0.37,-127.24) (   0.72,-125.65)  181.28                80
 10/07/2021   19:07:57   (  -0.38,-127.18) (   0.37,-130.81)  412.30                80