Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 4 15.  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)
 04/15/2021   03:38:21   (  -0.02,-137.20) (   0.70,-134.00)  364.45                11
 04/17/2021   16:00:46   (   0.02,-137.19) (   0.40,-138.95)  199.63                80
 04/18/2021   15:46:22   (   0.02,-137.19) (  -0.26,-136.09)  126.52                80
 04/19/2021   15:34:39   (   0.02,-137.18) (  -0.93,-133.22)  452.43                80
 04/21/2021   04:09:54   (  -0.02,-137.15) (  -0.93,-141.01)  440.58                80
 04/22/2021   03:58:11   (  -0.02,-137.14) (  -0.25,-138.15)  114.91                80
 04/23/2021   03:43:47   (  -0.02,-137.13) (   0.43,-135.29)  210.69                80
 04/25/2021   16:07:21   (   0.02,-137.10) (   0.72,-140.23)  356.81                80
 04/26/2021   15:55:37   (   0.02,-137.08) (   0.10,-137.35)   31.87                80
 04/27/2021   15:41:13   (   0.02,-137.06) (  -0.57,-134.49)  293.01                80