Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 16.  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)
 04/17/2025   06:29:45   (  -0.06, -78.64) (  -0.50, -76.57)  235.11                80
 04/18/2025   18:54:22   (   0.05, -79.41) (  -0.51, -81.90)  283.83                80
 04/19/2025   18:32:57   (   0.05, -79.91) (   0.62, -77.39)  287.10                80
 04/21/2025   06:57:24   (  -0.04, -80.65) (   0.42, -82.68)  230.75                80
 04/22/2025   06:36:00   (  -0.04, -81.15) (  -0.72, -78.17)  340.40                80
 04/23/2025   19:00:35   (   0.03, -81.93) (  -0.31, -83.49)  177.47                80
 04/24/2025   18:39:10   (   0.03, -82.43) (   0.78, -78.97)  394.20                80
 04/26/2025   07:03:38   (  -0.03, -83.19) (   0.19, -84.27)  122.61                80
 04/27/2025   06:42:13   (  -0.03, -83.69) (  -0.90, -79.75)  449.05                80
 04/28/2025   19:06:48   (   0.03, -84.48) (  -0.10, -85.08)   68.34                80