Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 16.  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)
 01/17/2021   15:07:47   (   0.36,-127.99) (   0.81,-129.89)  217.25                80
 01/18/2021   14:58:43   (   0.37,-127.96) (   0.17,-127.02)  107.30                80
 01/19/2021   14:47:01   (   0.37,-127.94) (  -0.53,-124.16)  431.73                80
 01/21/2021   03:17:02   (  -0.34,-127.92) (  -1.29,-131.98)  463.56                80
 01/22/2021   03:05:18   (  -0.35,-127.90) (  -0.66,-129.11)  139.42                80
 01/23/2021   02:56:16   (  -0.36,-127.87) (   0.02,-126.26)  184.56                80
 01/25/2021   15:14:26   (   0.33,-127.78) (   1.15,-131.18)  388.40                80
 01/26/2021   15:02:42   (   0.35,-127.75) (   0.51,-128.31)   64.99                80
 01/27/2021   14:53:40   (   0.36,-127.71) (  -0.20,-125.46)  258.42                80