Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 4 12.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2023   07:41:03   ( -80.47, 151.07) 04/15/2023   07:41:08  ( -80.48, 151.14)    1.29                 5
 04/15/2023   08:31:16   (  81.08, -30.53) 04/15/2023   08:30:02  (  81.24, -30.70)   18.34                74
 04/17/2023   22:16:22   ( -80.51, -67.25) 04/17/2023   22:16:34  ( -80.51, -67.37)    2.27                12
 04/17/2023   23:07:03   (  80.59, 101.22) 04/17/2023   23:05:55  (  80.60, 101.25)    0.60                68
 04/20/2023   12:51:44   ( -80.47,  73.39) 04/20/2023   12:52:01  ( -80.47,  73.43)    0.75                17
 04/20/2023   13:42:22   (  80.62,-117.16) 04/20/2023   13:41:20  (  80.62,-117.33)    3.08                62
 04/23/2023   03:27:02   ( -80.53,-144.72) 04/23/2023   03:27:24  ( -80.52,-144.87)    2.70                22
 04/23/2023   04:17:43   (  80.61,  23.72) 04/23/2023   04:16:45  (  80.61,  23.71)    0.16                58
 04/25/2023   18:02:22   ( -80.50,  -3.88) 04/25/2023   18:02:47  ( -80.51,  -3.86)    0.47                25