Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 29.  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)
 08/30/2025   20:24:20   (   0.10,-104.69) (   0.16,-104.51)   21.15                80
 09/02/2025   08:27:23   (  -0.11,-104.67) (   0.01,-105.25)   65.32                80
 09/03/2025   08:05:58   (  -0.11,-104.67) (  -0.98,-100.71)  450.48                80
 09/04/2025   20:27:53   (   0.12,-104.67) (  -0.20,-106.01)  153.59                80
 09/05/2025   20:11:48   (   0.12,-104.67) (   0.84,-101.49)  362.65                80
 09/07/2025   08:33:36   (  -0.12,-104.66) (   0.36,-106.75)  239.05                80
 09/08/2025   08:12:11   (  -0.12,-104.65) (  -0.69,-102.23)  277.06                80
 09/09/2025   20:34:06   (   0.12,-104.65) (  -0.53,-107.51)  327.14                80
 09/10/2025   20:18:01   (   0.12,-104.64) (   0.52,-102.99)  189.17                80
 09/12/2025   08:39:48   (  -0.12,-104.64) (   0.68,-108.25)  412.33                80