Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 20.  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)
 01/21/2021   03:17:02   (  -0.34,-127.92) (  -1.30,-131.98)  464.33                80
 01/22/2021   03:05:19   (  -0.35,-127.89) (  -0.62,-129.12)  140.34                80
 01/23/2021   02:56:16   (  -0.36,-127.86) (   0.00,-126.25)  183.47                80
 01/25/2021   15:14:27   (   0.33,-127.77) (   1.11,-131.19)  389.41                80
 01/26/2021   15:02:43   (   0.35,-127.74) (   0.47,-128.32)   66.11                80
 01/27/2021   14:53:40   (   0.36,-127.70) (  -0.17,-125.45)  257.05                80
 01/30/2021   03:12:00   (  -0.33,-127.62) (  -0.96,-130.42)  319.90                80
 01/31/2021   03:02:57   (  -0.34,-127.58) (  -0.33,-127.55)    2.88                80
 02/01/2021   02:51:14   (  -0.35,-127.54) (   0.29,-124.68)  325.69                80