Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 12 8.  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, 151.38) 12/09/2023   08:19:25  ( -81.02, 151.43)    0.91                49
 12/09/2023   09:09:18   (  81.06, -40.33) 12/09/2023   09:08:46  (  81.06, -40.28)    0.95                32
 12/11/2023   22:03:15   (  81.04, 125.88) 12/11/2023   22:03:38  (  81.05, 125.90)    0.51                23
 12/11/2023   22:53:58   ( -81.08, -65.95) 12/11/2023   22:53:01  ( -81.07, -66.04)    1.70                57
 12/14/2023   11:47:56   ( -81.05,  99.86) 12/14/2023   11:47:53  ( -81.05,  99.86)    0.39                 3
 12/17/2023   00:41:51   ( -81.05, -93.63) 12/17/2023   00:42:42  ( -81.05, -93.81)    3.15                51
 12/17/2023   01:32:35   (  81.06,  73.89) 12/17/2023   01:32:04  (  81.06,  74.07)    3.08                31
 12/19/2023   14:26:32   (  81.04,-120.03) 12/19/2023   14:26:54  (  81.04,-119.91)    2.10                22
 12/19/2023   15:17:14   ( -81.09,  48.54) 12/19/2023   15:16:16  ( -81.09,  48.54)    0.50                58