Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2019   18:56:37   (  -0.27,-128.19) (  -0.68,-126.39)  206.03                80
 09/12/2019   07:15:21   (   0.29,-128.16) (  -0.43,-131.58)  388.90                80
 09/14/2019   07:03:08   (   0.29,-128.11) (   0.15,-128.61)   57.78                80
 09/16/2019   06:53:36   (   0.29,-128.06) (   0.80,-125.66)  273.17                80
 09/16/2019   19:12:12   (  -0.31,-128.07) (   0.26,-130.82)  312.64                80
 09/18/2019   19:02:39   (  -0.30,-128.01) (  -0.33,-127.85)   17.68                80
 09/20/2019   18:50:27   (  -0.30,-127.95) (  -0.97,-124.90)  347.31                80
 09/21/2019   07:11:51   (   0.31,-127.91) (  -0.13,-130.09)  247.16                80
 09/23/2019   06:59:38   (   0.30,-127.84) (   0.45,-127.12)   81.33                80