Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 20.  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)
 08/21/2025   07:11:33   (  -0.18, -89.46) (  -0.87, -86.43)  345.89                80
 08/22/2025   19:30:50   (   0.18, -89.51) (  -0.29, -91.74)  253.39                80
 08/23/2025   19:14:44   (   0.18, -89.51) (   0.69, -87.20)  263.57                80
 08/25/2025   07:36:32   (  -0.19, -89.47) (   0.47, -92.47)  341.24                80
 08/26/2025   07:15:07   (  -0.19, -89.48) (  -0.51, -87.93)  175.94                80
 08/27/2025   19:37:03   (   0.19, -89.53) (  -0.64, -93.24)  422.44                80
 08/28/2025   19:20:59   (   0.19, -89.54) (   0.40, -88.71)   94.97                80
 08/31/2025   07:21:22   (  -0.20, -89.52) (  -0.22, -89.45)    7.89                80
 09/02/2025   19:24:32   (   0.21, -89.58) (   0.07, -90.22)   73.22                80