Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 17.  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)
 06/17/2025   20:12:06   (  -0.01,-102.32) (   2.49,-101.81)  283.91                80
 06/20/2025   08:11:47   (   0.02,-100.95) (   0.22,-101.98)  117.35                80
 06/21/2025   07:55:41   (   0.01,-100.41) (  -0.65, -97.42)  340.25                80
 06/22/2025   20:14:56   (   0.02, -99.60) (  -0.67,-102.70)  353.82                80
 06/23/2025   19:58:49   (   0.02, -99.06) (   0.20, -98.14)  103.75                80
 06/26/2025   07:59:08   (  -0.02, -97.68) (   0.26, -98.82)  130.25                80
 06/27/2025   07:43:03   (  -0.01, -97.14) (  -0.68, -94.27)  327.79                80
 06/28/2025   20:02:17   (   0.00, -96.34) (  -0.70, -99.54)  364.65                80
 06/29/2025   19:46:11   (  -0.01, -95.80) (   0.18, -94.98)   93.80                80