Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2021   06:54:19   (   0.09,-127.98) (   0.26,-127.08)  101.78                80
 07/10/2021   19:15:34   (  -0.07,-127.93) (   0.83,-132.24)  490.26                80
 07/12/2021   06:42:06   (   0.10,-127.91) (   0.93,-124.13)  430.14                80
 07/12/2021   19:03:20   (  -0.08,-127.86) (   0.22,-129.28)  161.83                80
 07/14/2021   18:53:46   (  -0.09,-127.78) (  -0.39,-126.32)  166.31                80
 07/15/2021   07:15:10   (   0.08,-127.81) (  -0.69,-131.51)  421.20                80
 07/16/2021   18:41:32   (  -0.10,-127.70) (  -1.00,-123.35)  494.11                80
 07/17/2021   07:02:56   (   0.08,-127.72) (  -0.07,-128.55)   93.64                80
 07/19/2021   06:48:02   (   0.09,-127.64) (   0.55,-125.59)  233.27                80
 07/19/2021   19:09:16   (  -0.07,-127.57) (   0.61,-130.74)  360.31                80
 07/21/2021   18:57:02   (  -0.07,-127.47) (  -0.02,-127.77)   34.23                80
 07/23/2021   18:44:48   (  -0.08,-127.37) (  -0.64,-124.81)  291.36                80