Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2021   06:49:25   (   0.37,-127.92) (   0.84,-125.68)  254.62                80
 10/07/2021   19:07:59   (  -0.38,-127.93) (   0.24,-130.84)  330.85                80
 10/09/2021   18:58:25   (  -0.37,-127.99) (  -0.38,-127.88)   12.45                80
 10/11/2021   18:46:11   (  -0.36,-128.04) (  -1.00,-124.92)  354.67                80
 10/12/2021   07:07:35   (   0.37,-128.06) (  -0.07,-130.12)  233.42                80
 10/14/2021   06:52:41   (   0.36,-128.11) (   0.56,-127.16)  108.39                80
 10/14/2021   19:13:56   (  -0.36,-128.11) (   0.53,-132.32)  477.74                80
 10/16/2021   06:40:27   (   0.35,-128.16) (   1.19,-124.20)  450.13                80
 10/16/2021   19:01:42   (  -0.36,-128.16) (  -0.11,-129.36)  135.94                80
 10/18/2021   18:52:08   (  -0.36,-128.21) (  -0.75,-126.40)  205.86                80
 10/19/2021   07:13:31   (   0.35,-128.24) (  -0.38,-131.59)  381.90                80