Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2021   07:08:52   (  -0.03,-128.07) (  -0.47,-130.03)  223.23                80
 01/15/2021   06:59:20   (  -0.03,-128.04) (   0.17,-127.08)  108.85                80
 01/15/2021   19:17:56   (  -0.00,-128.05) (   0.88,-132.24)  476.40                80
 01/17/2021   06:47:07   (  -0.04,-128.00) (   0.76,-124.11)  441.07                80
 01/17/2021   19:05:43   (   0.01,-128.01) (   0.30,-129.28)  144.32                80
 01/19/2021   18:56:11   (   0.01,-127.97) (  -0.35,-126.33)  187.49                80
 01/20/2021   07:14:55   (   0.02,-127.93) (  -0.75,-131.52)  408.30                80
 01/22/2021   07:02:43   (   0.02,-127.88) (  -0.10,-128.57)   77.03                80
 01/24/2021   06:53:10   (   0.02,-127.83) (   0.49,-125.60)  253.56                80
 01/24/2021   19:11:46   (  -0.06,-127.85) (   0.56,-130.77)  331.68                80
 01/26/2021   18:59:33   (  -0.05,-127.79) (  -0.04,-127.80)    2.13                80