Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 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)
 07/26/2021   06:54:00   (   0.05,-127.73) (   0.19,-127.06)   76.31                80
 07/28/2021   06:41:47   (   0.06,-127.80) (   0.82,-124.10)  419.59                80
 07/28/2021   19:05:42   (  -0.04,-127.74) (   0.28,-129.26)  172.55                80
 07/30/2021   18:50:49   (  -0.05,-127.81) (  -0.35,-126.31)  170.73                80
 07/31/2021   07:14:53   (   0.02,-127.91) (  -0.74,-131.50)  408.40                80
 08/02/2021   07:02:40   (   0.03,-127.97) (  -0.10,-128.55)   65.89                80
 08/04/2021   06:47:47   (   0.03,-128.02) (   0.54,-125.59)  275.87                80
 08/04/2021   19:11:42   (  -0.00,-127.95) (   0.56,-130.75)  317.91                80
 08/06/2021   18:56:49   (  -0.01,-128.00) (  -0.08,-127.80)   23.47                80
 08/08/2021   18:44:36   (  -0.02,-128.04) (  -0.73,-124.84)  364.06                80