Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 24.  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)
 08/25/2025   20:18:06   (   0.09,-104.71) (   0.47,-103.00)  194.37                80
 08/27/2025   08:39:54   (  -0.09,-104.69) (   0.74,-108.27)  407.97                80
 08/28/2025   08:18:29   (  -0.09,-104.69) (  -0.30,-103.74)  108.26                80
 08/29/2025   20:40:24   (   0.10,-104.70) (  -0.90,-109.04)  495.00                80
 08/30/2025   20:24:20   (   0.10,-104.70) (   0.14,-104.51)   21.31                80
 09/02/2025   08:27:23   (  -0.11,-104.68) (   0.04,-105.25)   65.23                80
 09/03/2025   08:05:58   (  -0.11,-104.67) (  -1.00,-100.72)  450.66                80
 09/04/2025   20:27:54   (   0.12,-104.68) (  -0.18,-106.02)  153.04                80
 09/05/2025   20:11:49   (   0.12,-104.67) (   0.86,-101.49)  363.24                80
 09/07/2025   08:33:36   (  -0.12,-104.66) (   0.36,-106.76)  238.75                80