Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 28.  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)
 08/29/2025   20:40:24   (   0.10,-104.70) (  -0.90,-109.04)  495.23                80
 08/30/2025   20:24:20   (   0.10,-104.69) (   0.14,-104.51)   21.00                80
 09/02/2025   08:27:23   (  -0.11,-104.67) (   0.03,-105.25)   65.39                80
 09/03/2025   08:05:58   (  -0.11,-104.67) (  -1.01,-100.72)  450.40                80
 09/04/2025   20:27:54   (   0.12,-104.67) (  -0.17,-106.02)  153.65                80
 09/05/2025   20:11:48   (   0.12,-104.67) (   0.82,-101.48)  362.59                80
 09/07/2025   08:33:36   (  -0.12,-104.66) (   0.32,-106.76)  239.17                80
 09/08/2025   08:12:11   (  -0.12,-104.65) (  -0.66,-102.22)  276.93                80
 09/09/2025   20:34:06   (   0.12,-104.65) (  -0.50,-107.52)  327.23                80
 09/10/2025   20:18:01   (   0.12,-104.64) (   0.49,-102.99)  189.06                80