Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 12 15.  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)
 12/17/2023   00:41:53   ( -81.03, -94.16) 12/17/2023   00:42:44  ( -81.02, -94.15)    0.49                51
 12/17/2023   01:32:35   (  81.07,  74.14) 12/17/2023   01:32:05  (  81.07,  74.15)    0.09                30
 12/19/2023   14:26:32   (  81.05,-119.77) 12/19/2023   14:26:55  (  81.06,-119.67)    1.80                23
 12/19/2023   15:17:15   ( -81.08,  48.38) 12/19/2023   15:16:18  ( -81.08,  48.36)    0.49                57
 12/22/2023   04:11:10   ( -81.08,-145.19) 12/22/2023   04:11:06  ( -81.08,-145.34)    2.61                 4
 12/24/2023   17:05:07   ( -81.06,  20.82) 12/24/2023   17:05:55  ( -81.06,  20.71)    1.95                48
 12/24/2023   17:55:50   (  81.08,-171.27) 12/24/2023   17:55:17  (  81.07,-171.39)    2.27                33
 12/27/2023   06:49:47   (  81.06,  -5.31) 12/27/2023   06:50:05  (  81.06,  -5.24)    1.25                18