Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 30.  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)
 01/31/2024   20:38:14   (  -0.02,-104.66) (  -0.97,-108.86)  478.28                80
 02/01/2024   20:22:08   (  -0.01,-104.67) (   0.06,-104.32)   39.12                80
 02/04/2024   08:25:08   (   0.02,-104.70) (   0.11,-105.04)   39.96                80
 02/05/2024   08:03:42   (   0.02,-104.70) (  -0.92,-100.51)  476.95                80
 02/06/2024   20:25:37   (  -0.02,-104.67) (  -0.27,-105.80)  129.51                80
 02/07/2024   20:09:30   (  -0.02,-104.66) (   0.71,-101.26)  387.41                80
 02/09/2024   08:31:17   (   0.03,-104.69) (   0.42,-106.53)  209.06                80
 02/10/2024   08:09:50   (   0.02,-104.69) (  -0.56,-101.98)  307.77                80
 02/11/2024   20:34:24   (  -0.03,-104.66) (  -0.62,-107.28)  298.66                80
 02/12/2024   20:12:59   (  -0.02,-104.66) (   0.43,-102.75)  218.57                80