Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 1 12.  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)
 01/12/2025   20:34:13   (  -0.02,-104.65) (  -0.65,-107.40)  313.33                80
 01/13/2025   20:18:07   (  -0.02,-104.65) (   0.40,-102.86)  204.55                80
 01/15/2025   08:39:51   (   0.03,-104.72) (   0.78,-108.12)  387.67                80
 01/16/2025   08:18:24   (   0.02,-104.72) (  -0.22,-103.58)  130.06                80
 01/17/2025   20:40:16   (  -0.03,-104.67) (  -0.95,-108.87)  478.07                80
 01/18/2025   20:24:09   (  -0.02,-104.68) (   0.05,-104.33)   40.30                80
 01/21/2025   08:27:05   (   0.03,-104.76) (   0.12,-105.04)   32.59                80
 01/22/2025   08:05:39   (   0.02,-104.77) (  -0.94,-100.51)  485.53                80
 01/23/2025   20:27:30   (  -0.03,-104.72) (  -0.27,-105.79)  122.79                80
 01/24/2025   20:11:23   (  -0.03,-104.72) (   0.74,-101.25)  395.41                80