Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2020   18:56:27   (   0.19,-127.96) (  -0.14,-126.28)  190.86                80
 12/03/2020   07:15:11   (  -0.18,-127.99) (  -0.90,-131.48)  396.57                80
 12/05/2020   07:02:58   (  -0.19,-128.03) (  -0.31,-128.52)   55.40                80
 12/07/2020   06:53:26   (  -0.20,-128.07) (   0.35,-125.56)  285.39                80
 12/07/2020   19:12:01   (   0.18,-128.06) (   0.76,-130.72)  302.18                80
 12/09/2020   19:02:29   (   0.18,-128.10) (   0.10,-127.76)   38.08                80
 12/11/2020   18:50:16   (   0.19,-128.12) (  -0.51,-124.80)  377.75                80
 12/12/2020   07:09:00   (  -0.17,-128.15) (  -0.58,-129.99)  210.62                80
 12/14/2020   06:59:28   (  -0.17,-128.17) (   0.09,-127.04)  128.29                80
 12/14/2020   19:18:03   (   0.15,-128.16) (   1.02,-132.20)  459.52                80