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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2021   18:46:12   (  -0.36,-128.05) (  -1.03,-124.92)  355.35                80
 10/12/2021   07:07:36   (   0.37,-128.07) (  -0.04,-130.12)  232.46                80
 10/14/2021   06:52:42   (   0.36,-128.12) (   0.59,-127.16)  109.72                80
 10/14/2021   19:13:56   (  -0.36,-128.12) (   0.56,-132.31)  476.60                80
 10/16/2021   06:40:28   (   0.35,-128.18) (   1.23,-124.21)  451.75                80
 10/16/2021   19:01:42   (  -0.35,-128.18) (  -0.08,-129.35)  134.48                80
 10/18/2021   18:52:08   (  -0.35,-128.23) (  -0.72,-126.40)  207.67                80
 10/19/2021   07:13:31   (   0.35,-128.26) (  -0.35,-131.60)  379.80                80
 10/21/2021   07:01:17   (   0.35,-128.30) (   0.30,-128.64)   38.11                80
 10/23/2021   06:46:23   (   0.35,-128.35) (   0.89,-125.67)  303.18                80
 10/23/2021   19:10:17   (  -0.34,-128.34) (   0.19,-130.83)  283.57                80