Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 17.  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)
 05/18/2025   19:30:28   (   0.02, -94.90) (   0.73, -91.80)  353.84                80
 05/20/2025   07:55:01   (  -0.01, -95.67) (   0.30, -97.11)  163.65                80
 05/21/2025   07:33:39   (  -0.02, -96.18) (  -0.84, -92.61)  407.95                80
 05/22/2025   19:58:19   (   0.01, -97.00) (  -0.23, -97.95)  108.76                80
 05/23/2025   19:36:57   (   0.01, -97.51) (   0.92, -93.45)  463.16                80
 05/25/2025   08:01:29   (  -0.01, -98.29) (   0.10, -98.76)   53.97                80
 05/27/2025   20:04:47   (   0.01, -99.61) (  -0.02, -99.60)    3.32                80
 05/30/2025   08:05:18   (  -0.01,-100.90) (  -0.13,-100.42)   54.93                80