Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2021   06:45:15   (   0.15,-127.91) (   0.61,-125.63)  258.63                80
 12/10/2021   19:09:10   (  -0.13,-127.92) (   0.47,-130.79)  326.58                80
 12/12/2021   18:54:15   (  -0.14,-127.85) (  -0.14,-127.83)    2.86                80
 12/14/2021   18:42:00   (  -0.14,-127.79) (  -0.75,-124.86)  332.00                80
 12/15/2021   07:06:03   (   0.12,-127.74) (  -0.37,-130.05)  262.51                80
 12/17/2021   06:51:08   (   0.13,-127.67) (   0.25,-127.09)   65.87                80
 12/19/2021   06:38:53   (   0.12,-127.59) (   0.87,-124.13)  393.70                80
 12/19/2021   19:02:47   (  -0.11,-127.59) (   0.27,-129.28)  192.24                80
 12/21/2021   18:47:52   (  -0.11,-127.50) (  -0.36,-126.32)  134.99                80
 12/22/2021   07:11:55   (   0.09,-127.46) (  -0.76,-131.50)  459.75                80
 12/23/2021   18:35:37   (  -0.10,-127.41) (  -0.99,-123.36)  461.89                80