Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2021   06:53:17   (  -0.08,-128.16) (   0.47,-125.59)  292.31                80
 01/08/2021   19:11:53   (   0.05,-128.18) (   0.59,-130.76)  293.21                80
 01/10/2021   19:02:21   (   0.05,-128.15) (  -0.04,-127.80)   39.68                80
 01/12/2021   18:50:08   (   0.06,-128.11) (  -0.62,-124.84)  372.10                80
 01/13/2021   07:08:53   (  -0.03,-128.08) (  -0.42,-130.04)  222.78                80
 01/15/2021   06:59:20   (  -0.03,-128.04) (   0.16,-127.07)  109.63                80
 01/15/2021   19:17:56   (  -0.00,-128.06) (   0.90,-132.24)  475.57                80
 01/17/2021   06:47:08   (  -0.05,-128.01) (   0.80,-124.12)  442.14                80
 01/17/2021   19:05:44   (   0.01,-128.02) (   0.25,-129.29)  143.18                80
 01/19/2021   18:56:11   (   0.01,-127.98) (  -0.33,-126.32)  188.94                80
 01/20/2021   07:14:55   (   0.02,-127.94) (  -0.71,-131.53)  406.68                80