Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2021   06:44:51   (   0.09,-128.01) (   0.62,-125.63)  271.20                80
 12/26/2021   19:08:45   (  -0.07,-128.03) (   0.52,-130.78)  312.59                80
 12/28/2021   18:53:51   (  -0.07,-128.08) (  -0.14,-127.82)   29.52                80
 12/30/2021   18:41:36   (  -0.08,-128.13) (  -0.74,-124.86)  370.83                80
 12/31/2021   07:05:40   (   0.06,-128.13) (  -0.33,-130.06)  218.75                80
 01/02/2022   06:50:45   (   0.07,-128.17) (   0.28,-127.10)  121.53                80
 01/02/2022   19:14:40   (  -0.05,-128.18) (   0.79,-132.26)  463.13                80
 01/04/2022   06:38:30   (   0.06,-128.20) (   0.90,-124.14)  461.54                80
 01/04/2022   19:02:25   (  -0.05,-128.21) (   0.17,-129.30)  123.12                80
 01/06/2022   18:47:30   (  -0.05,-128.25) (  -0.46,-126.34)  217.04                80
 01/07/2022   07:11:33   (   0.04,-128.25) (  -0.66,-131.53)  372.48                80