Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2019   06:44:44   (   0.06,-128.27) (   0.96,-124.15)  468.52                80
 12/30/2019   19:08:39   (  -0.05,-128.24) (   0.17,-129.30)  120.72                80
 01/01/2020   18:53:47   (  -0.05,-128.28) (  -0.43,-126.34)  219.69                80
 01/02/2020   07:17:51   (   0.03,-128.33) (  -0.68,-131.53)  364.99                80
 01/04/2020   07:05:40   (   0.04,-128.36) (  -0.01,-128.58)   25.05                80
 01/06/2020   06:50:48   (   0.04,-128.39) (   0.60,-125.62)  314.26                80
 01/06/2020   19:14:44   (  -0.03,-128.35) (   0.46,-130.78)  275.50                80
 01/08/2020   18:59:52   (  -0.03,-128.37) (  -0.15,-127.82)   62.84                80
 01/10/2020   18:47:40   (  -0.04,-128.38) (  -0.77,-124.86)  400.46                80
 01/11/2020   07:11:44   (   0.03,-128.43) (  -0.33,-130.05)  185.04                80