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)
 01/01/2020   18:53:47   (  -0.05,-128.28) (  -0.43,-126.34)  219.67                80
 01/02/2020   07:17:52   (   0.03,-128.33) (  -0.62,-131.54)  365.11                80
 01/04/2020   07:05:40   (   0.04,-128.36) (  -0.02,-128.58)   25.27                80
 01/06/2020   06:50:49   (   0.04,-128.39) (   0.65,-125.63)  313.92                80
 01/06/2020   19:14:44   (  -0.03,-128.35) (   0.48,-130.78)  275.78                80
 01/08/2020   18:59:52   (  -0.03,-128.37) (  -0.13,-127.82)   62.47                80
 01/10/2020   18:47:41   (  -0.04,-128.38) (  -0.80,-124.87)  399.89                80
 01/11/2020   07:11:45   (   0.03,-128.42) (  -0.31,-130.06)  185.70                80
 01/13/2020   06:56:53   (   0.02,-128.43) (   0.30,-127.09)  151.18                80