Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 3.  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)
 09/03/2025   08:05:58   (  -0.11,-104.67) (  -1.00,-100.72)  450.81                80
 09/04/2025   20:27:53   (   0.12,-104.67) (  -0.18,-106.02)  152.83                80
 09/05/2025   20:11:48   (   0.12,-104.67) (   0.81,-101.48)  363.56                80
 09/07/2025   08:33:36   (  -0.12,-104.66) (   0.32,-106.76)  238.10                80
 09/08/2025   08:12:11   (  -0.12,-104.66) (  -0.67,-102.22)  278.15                80
 09/09/2025   20:34:05   (   0.12,-104.66) (  -0.55,-107.51)  325.64                80
 09/10/2025   20:18:00   (   0.12,-104.66) (   0.51,-102.98)  190.83                80
 09/12/2025   08:39:48   (  -0.12,-104.65) (   0.67,-108.25)  410.54                80
 09/13/2025   08:18:22   (  -0.13,-104.64) (  -0.33,-103.71)  105.26                80
 09/14/2025   20:40:17   (   0.13,-104.63) (  -0.87,-109.01)  499.72                80
 09/15/2025   20:24:12   (   0.13,-104.62) (   0.19,-104.48)   16.62                80