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)  130.49                80
 04/05/2021   19:17:01   (   0.10,-128.28) (   0.95,-132.22)  448.13                80
 04/07/2021   06:43:33   (  -0.11,-128.17) (   0.75,-124.10)  462.13                80
 04/07/2021   19:04:49   (   0.10,-128.25) (   0.30,-129.27)  116.31                80
 04/09/2021   18:55:16   (   0.10,-128.21) (  -0.29,-126.31)  215.58                80
 04/10/2021   07:16:40   (  -0.10,-128.12) (  -0.81,-131.50)  384.73                80
 04/12/2021   07:04:27   (  -0.10,-128.08) (  -0.22,-128.54)   53.27                80
 04/14/2021   06:49:35   (  -0.10,-128.03) (   0.44,-125.59)  277.77                80
 04/14/2021   19:10:50   (   0.09,-128.09) (   0.68,-130.75)  302.06                80
 04/16/2021   19:01:18   (   0.09,-128.04) (   0.01,-127.80)   28.23                80