Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 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)
 04/12/2021   07:04:27   (  -0.09,-128.06) (  -0.21,-128.54)   55.09                80
 04/14/2021   06:49:34   (  -0.09,-128.01) (   0.39,-125.58)  275.19                80
 04/14/2021   19:10:50   (   0.09,-128.07) (   0.66,-130.75)  304.95                80
 04/16/2021   19:01:17   (   0.08,-128.01) (   0.06,-127.79)   24.62                80
 04/18/2021   18:49:05   (   0.08,-127.94) (  -0.61,-124.84)  353.32                80
 04/19/2021   07:10:28   (  -0.07,-127.86) (  -0.55,-130.02)  246.81                80
 04/21/2021   06:55:35   (  -0.07,-127.78) (   0.06,-127.06)   81.26                80
 04/23/2021   06:43:22   (  -0.07,-127.71) (   0.67,-124.10)  408.97                80
 04/23/2021   19:04:38   (   0.06,-127.75) (   0.38,-129.27)  172.81                80