Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 5 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2024   08:38:09   (   0.00,-104.73) (   0.72,-108.01)  373.95                80
 05/21/2024   08:16:42   (   0.00,-104.74) (  -0.28,-103.47)  144.29                80
 05/22/2024   20:38:37   (   0.00,-104.74) (  -0.88,-108.76)  457.77                80
 05/23/2024   20:22:30   (   0.01,-104.75) (   0.12,-104.22)   60.29                80
 05/26/2024   08:25:29   (  -0.02,-104.77) (   0.04,-104.94)   19.70                80
 05/27/2024   08:04:03   (  -0.02,-104.77) (  -0.97,-100.39)  498.22                80
 05/28/2024   20:25:57   (   0.02,-104.77) (  -0.16,-105.69)  104.37                80
 05/29/2024   20:09:50   (   0.02,-104.78) (   0.86,-101.15)  413.81                80
 05/31/2024   08:31:35   (  -0.03,-104.79) (   0.34,-106.40)  183.31                80
 06/01/2024   08:10:08   (  -0.03,-104.80) (  -0.68,-101.86)  334.92                80