Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 21.  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)
 11/21/2021   04:03:28   (   0.26,-128.36) (   0.00,-131.57)  358.46                 0
 11/22/2021   03:50:13   (   0.25,-128.34) (   0.21,-128.59)   27.90                80
 11/23/2021   03:41:07   (   0.25,-128.33) (   0.88,-125.72)  298.67                80
 11/25/2021   15:59:04   (  -0.25,-128.31) (   0.30,-130.59)  260.88                80
 11/26/2021   15:49:57   (  -0.24,-128.29) (  -0.36,-127.71)   65.18                80
 11/27/2021   15:38:11   (  -0.24,-128.27) (  -1.02,-124.84)  391.09                80
 11/30/2021   03:56:24   (   0.24,-128.18) (  -0.11,-129.78)  182.14                80
 12/01/2021   03:47:16   (   0.24,-128.16) (   0.52,-126.90)  143.52                80
 12/02/2021   03:35:30   (   0.24,-128.13) (   1.20,-124.03)  468.96                80
 12/03/2021   16:05:15   (  -0.24,-128.11) (   0.64,-131.78)  419.22                80
 12/04/2021   15:53:29   (  -0.23,-128.08) (  -0.02,-128.90)   94.42                80