Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 14.  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)
 09/14/2025   20:40:18   (   0.11,-104.67) (  -0.85,-109.01)  495.05                80
 09/15/2025   20:24:12   (   0.12,-104.66) (   0.15,-104.47)   21.40                80
 09/18/2025   08:27:15   (  -0.12,-104.64) (  -0.03,-105.22)   64.97                80
 09/19/2025   08:05:50   (  -0.13,-104.64) (  -1.03,-100.68)  451.64                80
 09/20/2025   20:27:44   (   0.13,-104.66) (  -0.19,-105.97)  149.55                80
 09/21/2025   20:11:40   (   0.13,-104.67) (   0.87,-101.45)  367.70                80
 09/23/2025   08:33:26   (  -0.12,-104.66) (   0.36,-106.70)  233.61                80
 09/24/2025   08:12:01   (  -0.13,-104.66) (  -0.70,-102.18)  283.20                80
 09/25/2025   20:33:56   (   0.12,-104.68) (  -0.51,-107.47)  318.60                80
 09/26/2025   20:17:50   (   0.13,-104.68) (   0.49,-102.93)  198.45                80
 09/28/2025   08:39:38   (  -0.12,-104.67) (   0.67,-108.20)  402.53                80