Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 15.  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) (   1.17,-124.20)  451.15                80
 10/16/2021   19:01:42   (  -0.35,-128.17) (  -0.08,-129.36)  134.76                80
 10/18/2021   18:52:08   (  -0.35,-128.22) (  -0.73,-126.40)  207.11                80
 10/19/2021   07:13:31   (   0.35,-128.25) (  -0.35,-131.60)  380.79                80
 10/21/2021   07:01:17   (   0.35,-128.29) (   0.30,-128.64)   39.42                80
 10/23/2021   06:46:23   (   0.35,-128.33) (   0.89,-125.68)  301.61                80
 10/23/2021   19:10:17   (  -0.34,-128.33) (   0.19,-130.84)  284.84                80
 10/25/2021   18:55:23   (  -0.34,-128.36) (  -0.46,-127.88)   55.43                80
 10/27/2021   18:45:48   (  -0.33,-128.39) (  -1.06,-124.91)  395.00                80
 10/28/2021   07:07:11   (   0.32,-128.41) (  -0.06,-130.10)  193.16                80