Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2021   07:16:28   (  -0.04,-127.60) (  -0.90,-131.50)  444.07                80
 04/27/2021   18:42:52   (   0.05,-127.61) (  -0.88,-123.36)  483.88                80
 04/28/2021   07:04:15   (  -0.04,-127.52) (  -0.27,-128.54)  116.81                80
 04/30/2021   06:49:22   (  -0.04,-127.43) (   0.36,-125.58)  209.63                80
 04/30/2021   19:10:36   (   0.03,-127.47) (   0.74,-130.74)  372.59                80
 05/02/2021   18:58:24   (   0.03,-127.37) (   0.11,-127.78)   46.57                80
 05/04/2021   18:48:50   (   0.03,-127.28) (  -0.46,-124.82)  279.38                80
 05/05/2021   07:10:13   (  -0.02,-127.20) (  -0.63,-130.01)  320.07                80
 05/07/2021   06:55:19   (  -0.03,-127.10) (  -0.04,-127.04)    6.70                80
 05/09/2021   06:43:07   (  -0.03,-127.01) (   0.60,-124.09)  331.68                80
 05/09/2021   19:04:21   (   0.02,-127.03) (   0.50,-129.25)  252.03                80