Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 11.  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)
 01/13/2021   03:10:20   (  -0.36,-128.10) (  -0.97,-130.68)  294.28                80
 01/14/2021   03:01:17   (  -0.36,-128.09) (  -0.30,-127.82)   30.56                80
 01/15/2021   02:49:34   (  -0.37,-128.07) (   0.32,-124.95)  355.48                80
 01/17/2021   15:07:47   (   0.36,-128.00) (   0.80,-129.89)  216.16                80
 01/18/2021   14:58:43   (   0.37,-127.98) (   0.16,-127.02)  108.62                80
 01/19/2021   14:47:01   (   0.37,-127.96) (  -0.54,-124.17)  433.33                80
 01/21/2021   03:17:02   (  -0.34,-127.94) (  -1.28,-131.99)  461.52                80
 01/22/2021   03:05:19   (  -0.35,-127.92) (  -0.65,-129.12)  137.12                80
 01/23/2021   02:56:16   (  -0.36,-127.90) (   0.03,-126.26)  187.12                80