Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 9 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2024   06:19:55   (   0.07, -75.19) (  -0.37, -73.31)  214.92                80
 09/12/2024   18:39:08   (  -0.06, -75.19) (  -0.83, -78.60)  388.81                80
 09/13/2024   18:23:02   (  -0.06, -75.18) (   0.18, -74.05)  128.07                80
 09/15/2024   06:42:07   (   0.05, -75.18) (   1.00, -79.31)  471.62                80
 09/16/2024   06:26:01   (   0.04, -75.17) (  -0.02, -74.77)   45.81                80
 09/18/2024   18:26:27   (  -0.04, -75.18) (  -0.12, -75.52)   38.58                80
 09/19/2024   18:10:21   (  -0.04, -75.18) (   0.92, -70.98)  479.57                80
 09/21/2024   06:29:25   (   0.04, -75.19) (   0.28, -76.23)  118.30                80
 09/22/2024   06:13:19   (   0.04, -75.20) (  -0.77, -71.69)  400.02                80
 09/23/2024   18:32:31   (  -0.04, -75.20) (  -0.42, -76.97)  201.23                80
 09/24/2024   18:16:24   (  -0.04, -75.21) (   0.58, -72.43)  317.35                80