Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 12 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)
 12/17/2021   06:51:09   (   0.12,-127.65) (   0.27,-127.10)   64.11                80
 12/19/2021   06:38:53   (   0.12,-127.57) (   0.83,-124.12)  391.28                80
 12/19/2021   19:02:47   (  -0.11,-127.57) (   0.23,-129.28)  193.83                80
 12/21/2021   18:47:51   (  -0.11,-127.48) (  -0.33,-126.31)  132.89                80
 12/22/2021   07:11:54   (   0.09,-127.43) (  -0.79,-131.50)  462.98                80
 12/23/2021   18:35:37   (  -0.10,-127.39) (  -0.96,-123.35)  459.22                80
 12/24/2021   06:59:39   (   0.09,-127.33) (  -0.16,-128.54)  136.74                80
 12/26/2021   06:44:43   (   0.09,-127.23) (   0.42,-125.57)  189.20                80
 12/26/2021   19:08:38   (  -0.07,-127.24) (   0.65,-130.73)  396.60                80
 12/28/2021   18:56:22   (  -0.07,-127.13) (   0.07,-127.76)   71.28                80