Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2021   06:40:27   (   0.35,-128.17) (   1.16,-124.19)  450.85                80
 10/16/2021   19:01:42   (  -0.35,-128.17) (  -0.08,-129.35)  134.87                80
 10/18/2021   18:52:08   (  -0.35,-128.22) (  -0.72,-126.40)  206.57                80
 10/19/2021   07:13:31   (   0.35,-128.24) (  -0.35,-131.60)  381.77                80
 10/21/2021   07:01:17   (   0.35,-128.28) (   0.30,-128.64)   40.83                80
 10/23/2021   06:46:22   (   0.35,-128.31) (   0.89,-125.67)  299.75                80
 10/23/2021   19:10:17   (  -0.34,-128.31) (   0.19,-130.83)  286.50                80
 10/25/2021   18:55:23   (  -0.34,-128.34) (  -0.46,-127.88)   53.35                80
 10/27/2021   18:45:48   (  -0.33,-128.37) (  -1.06,-124.91)  392.46                80
 10/28/2021   07:07:11   (   0.32,-128.38) (  -0.06,-130.10)  196.12                80