Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2020   07:15:04   (  -0.14,-128.24) (  -0.84,-131.48)  369.11                80
 12/21/2020   07:02:53   (  -0.15,-128.25) (  -0.18,-128.53)   31.41                80
 12/23/2020   06:53:21   (  -0.16,-128.27) (   0.42,-125.57)  306.28                80
 12/23/2020   19:11:56   (   0.13,-128.26) (   0.65,-130.74)  281.18                80
 12/25/2020   19:02:24   (   0.13,-128.27) (   0.04,-127.78)   55.71                80
 12/27/2020   18:50:13   (   0.14,-128.27) (  -0.57,-124.82)  392.00                80
 12/28/2020   07:08:57   (  -0.11,-128.28) (  -0.48,-130.02)  198.67                80
 12/30/2020   06:59:25   (  -0.12,-128.27) (   0.14,-127.07)  136.78                80
 12/30/2020   19:18:01   (   0.09,-128.27) (   0.93,-132.23)  450.71                80
 01/01/2021   06:47:13   (  -0.13,-128.26) (   0.76,-124.11)  471.82                80
 01/01/2021   19:05:49   (   0.10,-128.25) (   0.31,-129.27)  115.91                80