Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 6 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2021   18:48:21   (  -0.08,-128.48) (  -0.85,-124.87)  409.90                80
 06/06/2021   07:09:44   (   0.08,-128.48) (  -0.25,-130.07)  180.35                80
 06/08/2021   06:54:51   (   0.08,-128.48) (   0.37,-127.11)  156.25                80
 06/08/2021   19:16:06   (  -0.08,-128.48) (   0.73,-132.26)  430.84                80
 06/10/2021   06:42:38   (   0.09,-128.48) (   0.98,-124.15)  492.18                80
 06/10/2021   19:03:53   (  -0.09,-128.48) (   0.12,-129.31)   94.90                80
 06/12/2021   18:54:21   (  -0.09,-128.47) (  -0.56,-126.36)  240.38                80
 06/13/2021   07:15:44   (   0.09,-128.48) (  -0.59,-131.54)  348.87                80
 06/15/2021   07:03:32   (   0.10,-128.47) (   0.10,-128.60)   14.74                80
 06/17/2021   06:48:39   (   0.10,-128.45) (   0.72,-125.65)  319.60                80
 06/17/2021   19:09:54   (  -0.10,-128.43) (   0.38,-130.80)  269.46                80