Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2020   18:48:03   (   0.01,-128.33) (  -0.72,-124.95)  384.79                80
 01/27/2020   07:09:27   (  -0.01,-128.34) (  -0.39,-130.15)  205.10                80
 01/29/2020   06:59:58   (  -0.02,-128.30) (   0.21,-127.19)  125.62                80
 01/29/2020   19:21:14   (   0.02,-128.28) (   0.90,-132.35)  463.58                80
 01/31/2020   06:47:50   (  -0.02,-128.26) (   0.81,-124.24)  455.91                80
 01/31/2020   19:09:05   (   0.02,-128.23) (   0.30,-129.40)  133.53                80
 02/02/2020   18:54:17   (   0.02,-128.18) (  -0.37,-126.47)  195.94                80
 02/03/2020   07:15:42   (  -0.02,-128.18) (  -0.74,-131.66)  394.89                80
 02/05/2020   07:03:33   (  -0.01,-128.13) (  -0.13,-128.71)   66.40                80
 02/07/2020   06:54:04   (  -0.00,-128.06) (   0.48,-125.76)  261.18                80
 02/07/2020   19:15:20   (  -0.00,-128.03) (   0.63,-130.92)  328.63                80