Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2020   18:47:57   (   0.07,-128.31) (  -0.65,-124.83)  396.40                80
 09/23/2020   07:12:02   (  -0.08,-128.37) (  -0.42,-130.03)  187.56                80
 09/25/2020   06:57:11   (  -0.09,-128.40) (   0.18,-127.07)  151.11                80
 09/25/2020   19:21:07   (   0.10,-128.35) (   0.89,-132.23)  439.94                80
 09/27/2020   06:45:01   (  -0.09,-128.42) (   0.83,-124.12)  489.40                80
 09/27/2020   19:08:56   (   0.10,-128.38) (   0.31,-129.27)  101.70                80
 09/29/2020   18:54:06   (   0.10,-128.40) (  -0.32,-126.32)  236.36                80
 09/30/2020   07:18:11   (  -0.11,-128.46) (  -0.76,-131.52)  347.80                80
 10/02/2020   07:06:01   (  -0.10,-128.48) (  -0.15,-128.56)   10.50                80
 10/04/2020   06:51:12   (  -0.10,-128.50) (   0.52,-125.62)  326.96                80
 10/04/2020   19:15:08   (   0.11,-128.45) (   0.58,-130.78)  264.62                80