Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2021   06:44:03   (  -0.15,-127.93) (   0.65,-124.07)  438.53                80
 02/18/2021   19:07:59   (   0.16,-128.02) (   0.39,-129.24)  137.88                80
 02/20/2021   18:53:06   (   0.15,-128.08) (  -0.24,-126.28)  204.57                80
 02/21/2021   07:17:09   (  -0.16,-128.02) (  -0.91,-131.46)  391.83                80
 02/23/2021   07:04:56   (  -0.15,-128.07) (  -0.27,-128.51)   50.37                80
 02/25/2021   06:50:03   (  -0.15,-128.11) (   0.37,-125.55)  290.75                80
 02/25/2021   19:13:59   (   0.16,-128.19) (   0.67,-130.72)  286.63                80
 02/27/2021   18:59:06   (   0.16,-128.23) (   0.03,-127.76)   54.18                80
 03/01/2021   18:46:53   (   0.16,-128.27) (  -0.61,-124.80)  394.53                80
 03/02/2021   07:10:56   (  -0.16,-128.21) (  -0.54,-129.99)  202.09                80