Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2021   18:55:27   (   0.14,-128.43) (  -0.31,-126.31)  241.23                80
 03/25/2021   07:16:51   (  -0.13,-128.35) (  -0.78,-131.50)  357.88                80
 03/27/2021   07:04:37   (  -0.13,-128.33) (  -0.21,-128.53)   23.69                80
 03/29/2021   06:49:44   (  -0.14,-128.31) (   0.43,-125.57)  310.65                80
 03/29/2021   19:11:00   (   0.13,-128.38) (   0.61,-130.74)  268.59                80
 03/31/2021   19:01:26   (   0.13,-128.35) (   0.03,-127.77)   64.82                80
 04/02/2021   18:49:13   (   0.13,-128.31) (  -0.61,-124.82)  397.33                80
 04/03/2021   07:10:37   (  -0.12,-128.24) (  -0.47,-130.02)  201.65                80
 04/05/2021   06:55:43   (  -0.12,-128.20) (   0.12,-127.05)  130.15                80
 04/05/2021   19:16:59   (   0.11,-128.25) (   0.92,-132.22)  450.69                80