Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 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)
 06/05/2021   18:48:20   (  -0.08,-128.48) (  -0.82,-124.87)  409.84                80
 06/06/2021   07:09:44   (   0.08,-128.48) (  -0.28,-130.06)  180.42                80
 06/08/2021   06:54:52   (   0.08,-128.48) (   0.39,-127.11)  156.08                80
 06/08/2021   19:16:07   (  -0.08,-128.48) (   0.71,-132.27)  431.08                80
 06/10/2021   06:42:39   (   0.09,-128.48) (   1.00,-124.16)  491.85                80
 06/10/2021   19:03:54   (  -0.09,-128.48) (   0.10,-129.31)   95.26                80
 06/12/2021   18:54:22   (  -0.09,-128.47) (  -0.57,-126.37)  239.81                80
 06/13/2021   07:15:46   (   0.09,-128.48) (  -0.53,-131.56)  349.47                80
 06/15/2021   07:03:33   (   0.10,-128.46) (   0.08,-128.60)   15.29                80
 06/17/2021   06:48:40   (   0.10,-128.45) (   0.69,-125.64)  318.56                80
 06/17/2021   19:09:54   (  -0.10,-128.42) (   0.42,-130.80)  270.55                80