Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 30.  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   03:57:45   (   0.24,-128.20) (   0.00,-129.81)  181.13                 0
 12/01/2021   03:47:16   (   0.24,-128.17) (   0.51,-126.90)  145.46                80
 12/02/2021   03:35:30   (   0.23,-128.15) (   1.19,-124.02)  471.23                80
 12/03/2021   16:05:16   (  -0.24,-128.14) (   0.59,-131.79)  416.65                80
 12/04/2021   15:53:28   (  -0.23,-128.11) (  -0.02,-128.90)   91.54                80
 12/05/2021   15:44:22   (  -0.22,-128.08) (  -0.69,-126.03)  233.45                80
 12/08/2021   04:02:32   (   0.22,-127.97) (  -0.48,-130.96)  340.99                80
 12/09/2021   03:50:44   (   0.21,-127.94) (   0.15,-128.07)   16.32                80
 12/10/2021   03:41:38   (   0.21,-127.91) (   0.85,-125.20)  308.87                80
 12/12/2021   15:59:39   (  -0.20,-127.85) (   0.31,-130.09)  255.87                80
 12/13/2021   15:50:32   (  -0.20,-127.82) (  -0.36,-127.22)   68.84                80