Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 1.  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)
 07/02/2025   20:27:48   (  -0.02,-104.73) (  -0.30,-105.98)  142.52                80
 07/03/2025   20:11:44   (  -0.02,-104.73) (   0.70,-101.45)  373.76                80
 07/05/2025   08:33:32   (   0.01,-104.72) (   0.44,-106.72)  227.56                80
 07/06/2025   08:12:08   (   0.00,-104.72) (  -0.55,-102.19)  288.37                80
 07/07/2025   20:34:06   (   0.01,-104.73) (  -0.59,-107.51)  316.39                80
 07/08/2025   20:18:02   (   0.01,-104.73) (   0.41,-102.98)  199.62                80
 07/10/2025   08:39:49   (  -0.01,-104.72) (   0.79,-108.24)  401.77                80
 07/11/2025   08:18:24   (  -0.01,-104.72) (  -0.21,-103.71)  114.20                80
 07/12/2025   20:40:22   (   0.00,-104.72) (  -0.98,-109.02)  490.61                80
 07/13/2025   20:24:18   (   0.00,-104.72) (   0.08,-104.50)   25.77                80