Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2020   06:53:21   (  -0.16,-128.26) (   0.44,-125.58)  305.62                80
 12/23/2020   19:11:57   (   0.13,-128.26) (   0.63,-130.74)  281.53                80
 12/25/2020   19:02:25   (   0.13,-128.26) (   0.02,-127.78)   55.03                80
 12/27/2020   18:50:13   (   0.14,-128.26) (  -0.59,-124.82)  390.98                80
 12/28/2020   07:08:58   (  -0.11,-128.26) (  -0.46,-130.03)  200.19                80
 12/30/2020   06:59:26   (  -0.11,-128.25) (   0.16,-127.07)  134.96                80
 12/30/2020   19:18:01   (   0.09,-128.25) (   0.91,-132.23)  452.27                80
 01/01/2021   06:47:14   (  -0.13,-128.24) (   0.78,-124.11)  469.65                80
 01/01/2021   19:05:48   (   0.10,-128.23) (   0.35,-129.26)  117.82                80
 01/03/2021   18:56:17   (   0.11,-128.21) (  -0.28,-126.31)  216.32                80
 01/04/2021   07:15:01   (  -0.07,-128.20) (  -0.77,-131.51)  375.88                80