Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2020   07:18:00   (  -0.00,-128.44) (  -0.68,-131.57)  356.40                80
 01/20/2020   07:05:52   (   0.00,-128.44) (  -0.03,-128.63)   22.01                80
 01/22/2020   06:51:03   (   0.01,-128.43) (   0.57,-125.68)  311.99                80
 01/22/2020   19:14:59   (  -0.00,-128.41) (   0.54,-130.84)  276.61                80
 01/24/2020   19:00:11   (  -0.00,-128.40) (  -0.13,-127.90)   57.09                80
 01/26/2020   18:48:02   (   0.00,-128.39) (  -0.73,-124.95)  390.74                80
 01/27/2020   07:12:07   (  -0.01,-128.40) (  -0.37,-130.15)  198.47                80
 01/29/2020   06:57:18   (  -0.01,-128.39) (   0.25,-127.20)  135.10                80
 01/29/2020   19:21:14   (   0.02,-128.37) (   0.86,-132.36)  453.44                80
 01/31/2020   06:47:49   (  -0.01,-128.37) (   0.87,-124.25)  468.22                80
 01/31/2020   19:09:05   (   0.02,-128.35) (   0.24,-129.41)  120.50                80