Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/22/2023   08:32:38   (   0.04,-104.65) (   0.46,-106.58)  219.91                80
 02/23/2023   08:11:13   (   0.04,-104.66) (  -0.55,-102.06)  297.09                80
 02/24/2023   20:33:10   (  -0.04,-104.68) (  -0.64,-107.36)  305.23                80
 02/25/2023   20:17:05   (  -0.04,-104.69) (   0.38,-102.83)  212.03                80
 02/27/2023   08:38:52   (   0.05,-104.70) (   0.83,-108.10)  388.16                80
 02/28/2023   08:17:28   (   0.05,-104.71) (  -0.20,-103.58)  128.87                80
 03/01/2023   20:39:24   (  -0.05,-104.73) (  -0.98,-108.88)  473.75                80
 03/02/2023   20:23:20   (  -0.06,-104.74) (   0.04,-104.36)   43.56                80
 03/05/2023   08:26:23   (   0.06,-104.75) (   0.12,-105.10)   39.05                80
 03/06/2023   08:04:57   (   0.06,-104.76) (  -0.85,-100.56)  478.27                80