Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 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)
 10/09/2025   19:31:43   (   0.22, -89.52) (   0.00, -91.65)  238.03                 0
 10/10/2025   19:11:33   (   0.23, -89.52) (   0.80, -87.06)  280.30                80
 10/12/2025   07:35:59   (  -0.21, -89.48) (   0.40, -92.32)  322.51                80
 10/13/2025   07:14:32   (  -0.23, -89.48) (  -0.59, -87.77)  193.79                80
 10/14/2025   19:39:07   (   0.21, -89.51) (  -0.61, -93.07)  406.09                80
 10/15/2025   19:17:41   (   0.23, -89.51) (   0.44, -88.54)  111.17                80
 10/17/2025   07:42:06   (  -0.20, -89.50) (   0.75, -93.79)  489.30                80
 10/18/2025   07:20:41   (  -0.22, -89.50) (  -0.30, -89.26)   28.15                80
 10/20/2025   19:26:29   (   0.20, -89.55) (   0.10, -90.02)   52.99                80
 10/21/2025   19:05:03   (   0.22, -89.56) (   1.16, -85.49)  465.11                80
 10/23/2025   07:29:28   (  -0.19, -89.56) (   0.07, -90.73)  133.99                80