Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 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)
 01/17/2021   06:47:08   (  -0.04,-127.99) (   0.80,-124.12)  440.48                80
 01/17/2021   19:05:44   (   0.01,-128.01) (   0.26,-129.29)  144.95                80
 01/19/2021   18:56:11   (   0.01,-127.96) (  -0.33,-126.32)  186.42                80
 01/20/2021   07:14:55   (   0.03,-127.92) (  -0.71,-131.53)  409.56                80
 01/22/2021   07:02:42   (   0.02,-127.87) (  -0.12,-128.56)   78.69                80
 01/24/2021   06:53:09   (   0.02,-127.81) (   0.47,-125.60)  251.40                80
 01/24/2021   19:11:45   (  -0.06,-127.83) (   0.58,-130.76)  333.91                80
 01/26/2021   18:59:32   (  -0.05,-127.76) (  -0.02,-127.80)    5.42                80
 01/28/2021   18:50:00   (  -0.04,-127.69) (  -0.68,-124.85)  324.15                80
 01/29/2021   07:08:44   (   0.08,-127.64) (  -0.42,-130.04)  273.05                80