Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2020   19:03:01   (   0.28,-127.86) (   0.26,-127.84)    2.88                80
 04/15/2020   18:50:48   (   0.28,-127.92) (  -0.35,-124.88)  345.86                80
 04/16/2020   07:12:12   (  -0.27,-127.90) (  -0.74,-130.07)  246.54                80
 04/18/2020   06:57:19   (  -0.27,-127.96) (  -0.12,-127.10)   96.77                80
 04/18/2020   19:18:35   (   0.27,-128.01) (   1.17,-132.27)  484.17                80
 04/20/2020   06:45:07   (  -0.27,-128.02) (   0.57,-124.15)  439.92                80
 04/20/2020   19:06:22   (   0.27,-128.07) (   0.54,-129.30)  140.96                80
 04/22/2020   18:56:49   (   0.27,-128.12) (  -0.09,-126.34)  201.92                80
 04/23/2020   07:18:13   (  -0.26,-128.10) (  -1.00,-131.53)  390.16                80
 04/25/2020   07:06:00   (  -0.26,-128.15) (  -0.37,-128.57)   48.19                80