Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2021   19:00:04   (  -0.09,-128.09) (  -0.17,-127.82)   31.46                80
 07/07/2021   18:47:50   (  -0.10,-128.04) (  -0.77,-124.86)  361.19                80
 07/08/2021   07:09:13   (   0.08,-128.05) (  -0.31,-130.06)  227.27                80
 07/10/2021   06:54:19   (   0.09,-127.98) (   0.29,-127.09)  101.48                80
 07/10/2021   19:15:33   (  -0.08,-127.93) (   0.86,-132.24)  490.61                80
 07/12/2021   06:42:06   (   0.10,-127.91) (   0.90,-124.13)  429.74                80
 07/12/2021   19:03:20   (  -0.09,-127.85) (   0.19,-129.29)  162.29                80
 07/14/2021   18:53:46   (  -0.10,-127.78) (  -0.42,-126.32)  165.77                80
 07/15/2021   07:15:09   (   0.08,-127.80) (  -0.72,-131.51)  421.70                80
 07/16/2021   18:41:32   (  -0.10,-127.70) (  -1.03,-123.36)  493.47                80
 07/17/2021   07:02:55   (   0.09,-127.72) (  -0.10,-128.55)   94.23                80