Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2021   06:48:01   (   0.08,-127.65) (   0.49,-125.58)  235.31                80
 07/19/2021   19:09:16   (  -0.06,-127.59) (   0.60,-130.74)  357.48                80
 07/21/2021   18:57:02   (  -0.06,-127.50) (  -0.02,-127.77)   30.67                80
 07/23/2021   18:47:28   (  -0.07,-127.41) (  -0.64,-124.81)  295.69                80
 07/24/2021   07:08:50   (   0.05,-127.43) (  -0.50,-130.00)  291.71                80
 07/26/2021   06:53:57   (   0.06,-127.34) (   0.13,-127.04)   34.32                80
 07/28/2021   06:41:43   (   0.07,-127.25) (   0.76,-124.08)  360.52                80
 07/28/2021   19:05:36   (  -0.05,-127.17) (   0.39,-129.22)  233.49                80
 07/30/2021   18:50:42   (  -0.05,-127.08) (  -0.24,-126.26)   92.69                80
 07/31/2021   07:14:45   (   0.03,-127.11) (  -0.90,-131.45)  493.51                80
 08/01/2021   18:38:28   (  -0.06,-126.98) (  -0.87,-123.30)  418.41                80