Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2021   18:56:04   (  -0.37,-127.77) (  -0.35,-127.87)   10.80                80
 09/25/2021   18:46:30   (  -0.36,-127.70) (  -0.94,-124.90)  317.90                80
 09/26/2021   07:05:14   (   0.38,-127.73) (  -0.14,-130.10)  270.30                80
 09/28/2021   06:55:40   (   0.37,-127.65) (   0.45,-127.14)   57.71                80
 09/30/2021   06:43:26   (   0.36,-127.57) (   1.05,-124.18)  385.02                80
 09/30/2021   19:02:01   (  -0.37,-127.50) (   0.04,-129.33)  208.67                80
 10/02/2021   18:52:27   (  -0.37,-127.41) (  -0.56,-126.37)  118.15                80
 10/03/2021   07:11:10   (   0.37,-127.43) (  -0.52,-131.57)  470.29                80
 10/04/2021   18:40:13   (  -0.36,-127.32) (  -1.17,-123.41)  444.58                80
 10/05/2021   06:58:56   (   0.37,-127.34) (   0.09,-128.61)  143.89                80