Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 7.  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)
 09/08/2025   08:12:11   (  -0.12,-104.66) (  -0.69,-102.22)  278.57                80
 09/09/2025   20:34:05   (   0.12,-104.67) (  -0.54,-107.51)  323.98                80
 09/10/2025   20:18:01   (   0.12,-104.67) (   0.51,-102.98)  192.73                80
 09/12/2025   08:39:48   (  -0.12,-104.66) (   0.68,-108.25)  409.12                80
 09/13/2025   08:18:23   (  -0.13,-104.65) (  -0.32,-103.71)  106.89                80
 09/14/2025   20:40:18   (   0.13,-104.65) (  -0.84,-109.02)  496.94                80
 09/15/2025   20:24:12   (   0.13,-104.65) (   0.16,-104.48)   19.39                80
 09/18/2025   08:27:15   (  -0.14,-104.64) (  -0.04,-105.22)   65.72                80
 09/19/2025   08:05:50   (  -0.14,-104.64) (  -1.04,-100.69)  450.78                80
 09/20/2025   20:27:44   (   0.14,-104.65) (  -0.17,-105.98)  152.17                80