Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 9.  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)
 09/10/2025   07:36:27   (  -0.22, -89.49) (   0.42, -92.45)  337.35                80
 09/11/2025   07:15:02   (  -0.22, -89.49) (  -0.58, -87.92)  179.39                80
 09/12/2025   19:36:57   (   0.22, -89.53) (  -0.59, -93.22)  419.97                80
 09/13/2025   19:20:52   (   0.23, -89.53) (   0.41, -88.68)   96.90                80
 09/16/2025   07:21:15   (  -0.23, -89.50) (  -0.28, -89.42)   10.18                80
 09/18/2025   19:24:24   (   0.24, -89.55) (   0.12, -90.19)   71.92                80
 09/19/2025   19:08:19   (   0.24, -89.56) (   1.13, -85.65)  445.96                80
 09/21/2025   07:30:06   (  -0.24, -89.55) (   0.05, -90.92)  155.90                80
 09/22/2025   07:08:41   (  -0.24, -89.56) (  -0.95, -86.38)  362.01                80