Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 29.  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)
 11/30/2021   03:56:23   (   0.24,-128.20) (  -0.14,-129.78)  180.69                80
 12/01/2021   03:47:17   (   0.24,-128.17) (   0.55,-126.90)  145.24                80
 12/02/2021   03:35:29   (   0.24,-128.15) (   1.17,-124.02)  470.97                80
 12/03/2021   16:05:15   (  -0.24,-128.13) (   0.61,-131.79)  416.87                80
 12/04/2021   15:53:29   (  -0.23,-128.10) (  -0.06,-128.91)   91.83                80
 12/05/2021   15:44:22   (  -0.23,-128.07) (  -0.67,-126.03)  233.10                80
 12/08/2021   04:02:31   (   0.22,-127.96) (  -0.50,-130.95)  341.67                80
 12/09/2021   03:50:45   (   0.21,-127.93) (   0.19,-128.08)   16.83                80
 12/10/2021   03:41:37   (   0.21,-127.90) (   0.82,-125.20)  308.07                80
 12/12/2021   15:59:38   (  -0.21,-127.84) (   0.34,-130.09)  256.75                80