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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2021   06:55:46   (  -0.11,-128.21) (   0.16,-127.07)  130.37                80
 04/05/2021   19:17:01   (   0.10,-128.28) (   0.96,-132.22)  448.21                80
 04/07/2021   06:43:33   (  -0.11,-128.17) (   0.74,-124.10)  461.93                80
 04/07/2021   19:04:49   (   0.10,-128.24) (   0.31,-129.27)  116.48                80
 04/09/2021   18:55:16   (   0.10,-128.21) (  -0.28,-126.31)  215.31                80
 04/10/2021   07:16:40   (  -0.10,-128.12) (  -0.82,-131.50)  385.12                80
 04/12/2021   07:04:27   (  -0.10,-128.07) (  -0.23,-128.54)   53.79                80
 04/14/2021   06:49:35   (  -0.10,-128.03) (   0.43,-125.59)  277.17                80
 04/14/2021   19:10:50   (   0.09,-128.09) (   0.68,-130.75)  302.62                80
 04/16/2021   19:01:18   (   0.09,-128.04) (   0.02,-127.80)   27.52                80