Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2020   07:02:52   (  -0.15,-128.25) (  -0.20,-128.53)   31.41                80
 12/23/2020   06:53:20   (  -0.16,-128.26) (   0.40,-125.57)  306.03                80
 12/23/2020   19:11:56   (   0.13,-128.26) (   0.66,-130.73)  281.37                80
 12/25/2020   19:02:24   (   0.13,-128.27) (   0.06,-127.78)   55.49                80
 12/27/2020   18:50:13   (   0.14,-128.27) (  -0.61,-124.83)  391.59                80
 12/28/2020   07:08:57   (  -0.11,-128.27) (  -0.49,-130.02)  199.19                80
 12/30/2020   06:59:25   (  -0.12,-128.26) (   0.12,-127.06)  136.17                80
 12/30/2020   19:18:01   (   0.09,-128.26) (   0.94,-132.23)  451.29                80
 01/01/2021   06:47:13   (  -0.13,-128.25) (   0.74,-124.10)  471.09                80
 01/01/2021   19:05:49   (   0.10,-128.24) (   0.32,-129.27)  116.59                80