Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 11 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)
 11/03/2021   18:49:08   (  -0.31,-128.45) (  -0.74,-126.41)  231.86                80
 11/04/2021   07:13:11   (   0.30,-128.44) (  -0.35,-131.60)  359.01                80
 11/06/2021   07:00:58   (   0.30,-128.45) (   0.24,-128.64)   22.64                80
 11/08/2021   06:46:05   (   0.30,-128.44) (   0.89,-125.69)  313.28                80
 11/08/2021   19:09:59   (  -0.29,-128.45) (   0.21,-130.85)  272.32                80
 11/10/2021   18:55:05   (  -0.28,-128.44) (  -0.38,-127.88)   63.02                80
 11/12/2021   18:42:52   (  -0.28,-128.43) (  -1.04,-124.93)  398.30                80
 11/13/2021   07:06:55   (   0.26,-128.42) (  -0.09,-130.12)  192.75                80
 11/15/2021   06:52:01   (   0.27,-128.42) (   0.52,-127.16)  142.51                80
 11/15/2021   19:15:56   (  -0.25,-128.42) (   0.58,-132.32)  443.32                80