Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 27.  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)
 12/27/2024   20:34:48   (  -0.02,-104.67) (  -0.67,-107.51)  324.10                80
 12/28/2024   20:18:41   (  -0.02,-104.67) (   0.33,-102.97)  192.99                80
 12/30/2024   08:40:28   (   0.02,-104.71) (   0.80,-108.24)  402.49                80
 12/31/2024   08:19:01   (   0.02,-104.70) (  -0.21,-103.70)  114.02                80
 01/01/2025   20:40:53   (  -0.02,-104.65) (  -1.01,-108.99)  494.81                80
 01/02/2025   20:24:48   (  -0.01,-104.65) (   0.06,-104.47)   22.30                80
 01/05/2025   08:27:47   (  -0.00,-104.70) (   0.09,-105.19)   56.00                80
 01/06/2025   08:06:20   (  -0.01,-104.69) (  -0.94,-100.66)  460.77                80
 01/07/2025   20:28:13   (   0.01,-104.64) (  -0.26,-105.95)  147.78                80
 01/08/2025   20:12:05   (   0.00,-104.64) (   0.72,-101.40)  369.45                80