Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2021   15:43:46   (  -0.26,-128.42) (  -0.69,-126.52)  216.52                80
 11/21/2021   04:02:00   (   0.26,-128.36) (  -0.44,-131.47)  354.42                80
 11/22/2021   03:50:13   (   0.25,-128.35) (   0.17,-128.58)   27.80                80
 11/23/2021   03:41:06   (   0.25,-128.33) (   0.85,-125.71)  298.88                80
 11/25/2021   15:59:04   (  -0.25,-128.31) (   0.28,-130.59)  260.93                80
 11/26/2021   15:49:58   (  -0.24,-128.29) (  -0.38,-127.72)   65.14                80
 11/27/2021   15:38:11   (  -0.24,-128.27) (  -1.05,-124.84)  391.11                80
 11/30/2021   03:56:23   (   0.24,-128.19) (  -0.14,-129.77)  181.58                80
 12/01/2021   03:47:17   (   0.24,-128.16) (   0.55,-126.90)  144.11                80