Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 21.  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   03:18:44   (  -0.34,-127.92) (   0.00,-132.28)  487.21                 0
 01/22/2021   03:05:19   (  -0.35,-127.89) (  -0.66,-129.11)  140.44                80
 01/23/2021   02:56:16   (  -0.36,-127.86) (   0.02,-126.26)  183.35                80
 01/25/2021   15:14:26   (   0.33,-127.77) (   1.15,-131.18)  389.40                80
 01/26/2021   15:02:42   (   0.35,-127.74) (   0.51,-128.31)   66.16                80
 01/27/2021   14:53:39   (   0.36,-127.70) (  -0.14,-125.44)  257.06                80
 01/30/2021   03:12:00   (  -0.33,-127.61) (  -0.99,-130.41)  320.07                80
 01/31/2021   03:00:16   (  -0.34,-127.57) (  -0.36,-127.54)    3.98                80
 02/01/2021   02:51:14   (  -0.35,-127.54) (   0.32,-124.69)  325.48                80
 02/03/2021   15:09:22   (   0.32,-127.43) (   0.83,-129.60)  248.44                80