Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2021   06:48:52   (   0.07,-128.43) (   0.67,-125.63)  319.08                80
 06/01/2021   19:10:07   (  -0.08,-128.45) (   0.42,-130.78)  265.88                80
 06/03/2021   19:00:33   (  -0.08,-128.46) (  -0.21,-127.82)   72.67                80
 06/05/2021   18:48:19   (  -0.08,-128.48) (  -0.84,-124.86)  411.10                80
 06/06/2021   07:09:43   (   0.08,-128.49) (  -0.24,-130.06)  178.94                80
 06/08/2021   06:54:49   (   0.08,-128.49) (   0.39,-127.10)  158.59                80
 06/08/2021   19:16:04   (  -0.08,-128.49) (   0.69,-132.26)  428.29                80
 06/10/2021   06:42:35   (   0.08,-128.50) (   1.03,-124.14)  495.44                80
 06/10/2021   19:03:49   (  -0.08,-128.49) (   0.11,-129.29)   91.42                80
 06/12/2021   18:54:15   (  -0.09,-128.49) (  -0.53,-126.33)  244.80                80
 06/13/2021   07:15:38   (   0.09,-128.50) (  -0.55,-131.53)  344.16                80