Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 4 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2021   18:49:14   (   0.12,-128.34) (  -0.62,-124.83)  399.91                80
 04/03/2021   07:10:38   (  -0.12,-128.25) (  -0.48,-130.02)  201.05                80
 04/05/2021   06:55:45   (  -0.11,-128.21) (   0.10,-127.06)  130.84                80
 04/05/2021   19:17:01   (   0.10,-128.28) (   0.95,-132.22)  448.00                80
 04/07/2021   06:43:33   (  -0.11,-128.18) (   0.75,-124.11)  462.65                80
 04/07/2021   19:04:49   (   0.10,-128.25) (   0.30,-129.27)  116.01                80
 04/09/2021   18:55:16   (   0.10,-128.21) (  -0.28,-126.31)  216.04                80
 04/10/2021   07:16:40   (  -0.10,-128.13) (  -0.82,-131.50)  383.94                80
 04/12/2021   07:04:27   (  -0.10,-128.09) (  -0.22,-128.54)   52.35                80
 04/14/2021   06:49:35   (  -0.10,-128.04) (   0.43,-125.59)  278.87                80
 04/14/2021   19:10:50   (   0.09,-128.10) (   0.69,-130.75)  301.23                80