Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/24/2021   06:53:10   (   0.02,-127.80) (   0.50,-125.60)  250.45                80
 01/24/2021   19:11:46   (  -0.06,-127.82) (   0.55,-130.77)  334.45                80
 01/26/2021   18:59:33   (  -0.05,-127.76) (  -0.05,-127.80)    5.44                80
 01/28/2021   18:50:00   (  -0.04,-127.68) (  -0.64,-124.84)  323.05                80
 01/29/2021   07:08:44   (   0.08,-127.62) (  -0.46,-130.03)  274.68                80
 01/31/2021   06:59:12   (   0.08,-127.55) (   0.21,-127.08)   53.50                80
 02/02/2021   06:46:58   (   0.07,-127.47) (   0.75,-124.11)  381.27                80
 02/02/2021   19:05:34   (  -0.11,-127.49) (   0.30,-129.27)  203.80                80
 02/04/2021   18:56:01   (  -0.11,-127.40) (  -0.31,-126.31)  123.17                80
 02/05/2021   07:14:45   (   0.15,-127.33) (  -0.73,-131.52)  475.45                80