Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 13.  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)
 12/13/2021   15:48:43   (  -0.20,-127.82) (  -0.35,-127.22)   69.50                29
 12/14/2021   15:38:45   (  -0.19,-127.79) (  -0.97,-124.33)  393.82                80
 12/17/2021   03:56:52   (   0.19,-127.66) (  -0.16,-129.26)  181.67                80
 12/18/2021   03:47:45   (   0.18,-127.62) (   0.47,-126.37)  142.37                80
 12/19/2021   03:35:57   (   0.18,-127.58) (   1.11,-123.49)  466.25                80
 12/20/2021   16:08:28   (  -0.17,-127.54) (   0.68,-131.27)  425.51                80
 12/21/2021   15:54:00   (  -0.17,-127.50) (   0.05,-128.39)  102.10                80
 12/22/2021   15:44:54   (  -0.16,-127.45) (  -0.63,-125.52)  221.24                80
 12/25/2021   04:02:59   (   0.15,-127.30) (  -0.56,-130.42)  355.87                80
 12/26/2021   03:51:11   (   0.15,-127.25) (   0.08,-127.54)   32.72                80