Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2021   03:50:16   (  -0.02,-137.20) (   0.06,-136.87)   37.41                 0
 04/15/2021   03:37:13   (  -0.02,-137.20) (   0.74,-134.01)  364.30                80
 04/17/2021   16:00:46   (   0.02,-137.19) (   0.43,-138.94)  199.73                80
 04/18/2021   15:46:22   (   0.02,-137.19) (  -0.24,-136.08)  126.37                80
 04/19/2021   15:34:39   (   0.01,-137.18) (  -0.90,-133.22)  452.31                80
 04/21/2021   04:09:55   (  -0.02,-137.15) (  -0.90,-141.02)  440.73                80
 04/22/2021   03:58:11   (  -0.02,-137.14) (  -0.22,-138.16)  115.10                80
 04/23/2021   03:43:47   (  -0.02,-137.13) (   0.40,-135.28)  210.54                80
 04/25/2021   16:07:21   (   0.02,-137.10) (   0.76,-140.22)  356.95                80
 04/26/2021   15:55:37   (   0.02,-137.08) (   0.08,-137.36)   31.94                80
 04/27/2021   15:41:14   (   0.01,-137.06) (  -0.59,-134.50)  292.85                80