Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2021   18:41:37   (  -0.08,-128.13) (  -0.77,-124.87)  371.40                80
 12/31/2021   07:05:39   (   0.06,-128.14) (  -0.36,-130.05)  218.15                80
 01/02/2022   06:50:45   (   0.07,-128.18) (   0.31,-127.10)  122.47                80
 01/02/2022   19:14:39   (  -0.05,-128.19) (   0.82,-132.25)  462.02                80
 01/04/2022   06:38:31   (   0.06,-128.21) (   0.93,-124.14)  462.77                80
 01/04/2022   19:02:24   (  -0.05,-128.23) (   0.20,-129.29)  121.74                80
 01/06/2022   18:47:29   (  -0.05,-128.26) (  -0.43,-126.33)  218.76                80
 01/07/2022   07:11:33   (   0.04,-128.27) (  -0.64,-131.53)  370.87                80
 01/09/2022   06:59:18   (   0.03,-128.30) (  -0.00,-128.57)   30.50                80
 01/11/2022   06:44:23   (   0.04,-128.33) (   0.64,-125.61)  309.69                80
 01/11/2022   19:08:17   (  -0.03,-128.34) (   0.49,-130.76)  275.13                80