Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2021   06:42:06   (   0.10,-127.91) (   0.91,-124.13)  430.23                80
 07/12/2021   19:03:19   (  -0.08,-127.86) (   0.24,-129.28)  161.70                80
 07/14/2021   18:53:47   (  -0.09,-127.78) (  -0.43,-126.33)  166.56                80
 07/15/2021   07:15:09   (   0.08,-127.81) (  -0.71,-131.51)  420.97                80
 07/16/2021   18:41:33   (  -0.10,-127.71) (  -1.05,-123.36)  494.41                80
 07/17/2021   07:02:55   (   0.08,-127.73) (  -0.09,-128.55)   93.33                80
 07/19/2021   06:48:01   (   0.09,-127.64) (   0.52,-125.59)  233.61                80
 07/19/2021   19:11:55   (  -0.06,-127.57) (   0.63,-130.73)  359.92                80
 07/21/2021   18:59:41   (  -0.07,-127.48) (   0.01,-127.77)   33.79                80
 07/23/2021   18:47:27   (  -0.08,-127.38) (  -0.61,-124.81)  291.87                80
 07/24/2021   07:08:50   (   0.06,-127.40) (  -0.52,-129.99)  295.19                80