Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 12 7.  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)
 12/09/2023   08:18:36   ( -81.02, 151.53) 12/09/2023   08:19:25  ( -81.03, 151.57)    0.65                49
 12/09/2023   09:09:18   (  81.06, -40.19) 12/09/2023   09:08:46  (  81.07, -40.15)    0.76                32
 12/11/2023   22:03:14   (  81.05, 126.02) 12/11/2023   22:03:37  (  81.05, 125.93)    1.55                23
 12/11/2023   22:53:58   ( -81.07, -66.18) 12/11/2023   22:53:00  ( -81.08, -66.01)    3.01                58
 12/14/2023   11:47:55   ( -81.06,  99.99) 12/14/2023   11:47:51  ( -81.06, 100.09)    1.92                 4
 12/17/2023   00:41:53   ( -81.02, -94.27) 12/17/2023   00:42:42  ( -81.02, -94.17)    1.84                49
 12/17/2023   01:32:35   (  81.06,  73.97) 12/17/2023   01:32:03  (  81.06,  74.06)    1.39                32
 12/19/2023   14:26:32   (  81.04,-119.98) 12/19/2023   14:26:52  (  81.05,-119.85)    2.31                20