Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2020   18:54:03   (   0.05,-128.14) (  -0.33,-126.30)  208.63                80
 09/14/2020   07:18:07   (  -0.06,-128.19) (  -0.79,-131.49)  375.49                80
 09/16/2020   07:05:56   (  -0.06,-128.23) (  -0.13,-128.54)   34.71                80
 09/18/2020   06:51:05   (  -0.06,-128.27) (   0.54,-125.59)  305.67                80
 09/18/2020   19:14:59   (   0.07,-128.24) (   0.58,-130.74)  284.22                80
 09/20/2020   19:00:08   (   0.07,-128.27) (  -0.03,-127.78)   55.65                80
 09/22/2020   18:47:57   (   0.07,-128.30) (  -0.69,-124.83)  394.92                80
 09/23/2020   07:12:00   (  -0.08,-128.35) (  -0.43,-130.02)  189.62                80
 09/25/2020   06:57:08   (  -0.08,-128.37) (   0.18,-127.06)  149.03                80
 09/25/2020   19:21:03   (   0.09,-128.33) (   0.94,-132.21)  441.42                80