Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 19.  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)
 01/19/2021   14:47:01   (   0.37,-127.94) (  -0.53,-124.16)  431.61                80
 01/21/2021   03:17:02   (  -0.34,-127.92) (  -1.29,-131.98)  464.24                80
 01/22/2021   03:05:18   (  -0.35,-127.89) (  -0.67,-129.11)  140.25                80
 01/23/2021   02:56:16   (  -0.36,-127.86) (   0.01,-126.26)  183.60                80
 01/25/2021   15:14:27   (   0.33,-127.77) (   1.10,-131.19)  389.36                80
 01/26/2021   15:02:43   (   0.35,-127.74) (   0.46,-128.32)   66.06                80
 01/27/2021   14:53:40   (   0.36,-127.70) (  -0.18,-125.45)  257.16                80
 01/30/2021   03:12:00   (  -0.33,-127.62) (  -1.01,-130.41)  319.59                80
 01/31/2021   03:02:57   (  -0.34,-127.58) (  -0.32,-127.55)    3.41                80
 02/01/2021   02:51:14   (  -0.35,-127.54) (   0.30,-124.68)  326.04                80