Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 10.  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)
 04/11/2025   06:44:54   (  -0.05, -75.51) (   0.85, -79.48)  452.47                80
 04/12/2025   06:23:28   (  -0.05, -75.52) (  -0.20, -74.95)   65.28                80
 04/14/2025   18:29:15   (   0.05, -75.53) (  -0.01, -75.70)   19.72                80
 04/15/2025   18:10:29   (   0.05, -75.54) (   1.05, -71.17)  498.72                80
 04/17/2025   06:32:15   (  -0.05, -75.57) (   0.13, -76.43)   97.69                80
 04/18/2025   06:10:48   (  -0.05, -75.58) (  -0.88, -71.89)  420.52                80
 04/19/2025   18:32:42   (   0.04, -75.59) (  -0.31, -77.18)  181.77                80
 04/20/2025   18:16:35   (   0.04, -75.60) (   0.71, -72.65)  337.01                80
 04/22/2025   06:38:20   (  -0.03, -75.64) (   0.47, -77.91)  258.20                80
 04/23/2025   06:16:54   (  -0.03, -75.65) (  -0.55, -73.37)  260.75                80
 04/24/2025   18:38:46   (   0.02, -75.67) (  -0.66, -78.65)  340.61                80