Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 4.  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)
 10/04/2025   19:25:29   (   0.24, -89.51) (   0.12, -90.12)   68.43                 1
 10/05/2025   19:05:25   (   0.25, -89.52) (   1.15, -85.59)  449.07                80
 10/07/2025   07:29:50   (  -0.23, -89.50) (   0.07, -90.84)  152.53                80
 10/08/2025   07:08:25   (  -0.24, -89.50) (  -0.97, -86.31)  364.59                80
 10/09/2025   19:32:59   (   0.22, -89.54) (  -0.22, -91.60)  234.65                80
 10/10/2025   19:11:33   (   0.23, -89.54) (   0.77, -87.06)  282.79                80
 10/12/2025   07:35:58   (  -0.21, -89.52) (   0.43, -92.31)  318.15                80
 10/13/2025   07:14:32   (  -0.23, -89.53) (  -0.62, -87.78)  198.91                80
 10/14/2025   19:39:07   (   0.21, -89.56) (  -0.56, -93.08)  400.45                80
 10/15/2025   19:17:40   (   0.23, -89.57) (   0.44, -88.54)  117.60                80
 10/17/2025   07:42:06   (  -0.20, -89.57) (   0.74, -93.79)  481.06                80
 10/18/2025   07:20:39   (  -0.22, -89.58) (  -0.26, -89.25)   37.15                80