Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 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)
 08/12/2025   19:21:00   (   0.14, -89.52) (   0.30, -88.70)   92.13                80
 08/15/2025   07:24:04   (  -0.15, -89.48) (  -0.18, -89.45)    4.28                80
 08/17/2025   19:24:34   (   0.16, -89.51) (  -0.02, -90.22)   80.55                80
 08/18/2025   19:08:30   (   0.16, -89.51) (   1.01, -85.69)  435.97                80
 08/20/2025   07:27:38   (  -0.17, -89.48) (   0.14, -90.96)  168.96                80
 08/21/2025   07:11:33   (  -0.17, -89.48) (  -0.83, -86.42)  347.88                80
 08/22/2025   19:30:49   (   0.18, -89.53) (  -0.32, -91.73)  251.31                80
 08/23/2025   19:14:45   (   0.18, -89.54) (   0.72, -87.20)  266.24                80
 08/25/2025   07:36:32   (  -0.19, -89.52) (   0.50, -92.47)  336.89                80
 08/26/2025   07:15:52   (  -0.18, -89.53) (  -0.53, -87.94)  180.87                35