Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 27.  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)
 07/28/2025   20:40:27   (   0.03,-104.73) (  -0.91,-109.05)  491.23                80
 07/29/2025   20:24:22   (   0.03,-104.74) (   0.10,-104.52)   25.76                80
 08/01/2025   08:27:25   (  -0.03,-104.73) (   0.08,-105.25)   59.35                80
 08/02/2025   08:06:01   (  -0.03,-104.73) (  -0.94,-100.72)  457.12                80
 08/03/2025   20:27:57   (   0.04,-104.74) (  -0.27,-106.02)  146.12                80
 08/04/2025   20:11:52   (   0.04,-104.75) (   0.75,-101.49)  370.39                80
 08/06/2025   08:33:41   (  -0.05,-104.73) (   0.39,-106.77)  231.60                80
 08/07/2025   08:12:16   (  -0.05,-104.73) (  -0.63,-102.24)  284.66                80
 08/08/2025   20:34:13   (   0.05,-104.74) (  -0.56,-107.54)  319.00                80
 08/09/2025   20:18:08   (   0.05,-104.74) (   0.46,-103.02)  197.62                80