Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2021   06:41:48   (   0.06,-127.80) (   0.87,-124.12)  419.47                80
 07/28/2021   19:05:42   (  -0.04,-127.74) (   0.29,-129.26)  172.59                80
 07/30/2021   18:50:49   (  -0.05,-127.81) (  -0.34,-126.30)  170.59                80
 07/31/2021   07:14:53   (   0.02,-127.91) (  -0.75,-131.50)  408.70                80
 08/02/2021   07:02:40   (   0.02,-127.97) (  -0.11,-128.55)   66.30                80
 08/04/2021   06:47:47   (   0.03,-128.02) (   0.53,-125.59)  275.37                80
 08/04/2021   19:11:41   (  -0.00,-127.94) (   0.57,-130.75)  318.31                80
 08/06/2021   18:56:49   (  -0.01,-127.99) (  -0.07,-127.79)   22.85                80
 08/08/2021   18:44:36   (  -0.02,-128.03) (  -0.72,-124.84)  363.42                80
 08/09/2021   07:08:38   (  -0.01,-128.13) (  -0.43,-130.03)  215.48                80