Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 4 14.  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   ( -80.49, 151.27) 04/15/2023   07:41:08  ( -80.49, 151.27)    0.03                 5
 04/15/2023   08:31:10   (  81.17, -28.01) 04/15/2023   08:29:57  (  81.35, -28.60)   22.81                73
 04/17/2023   22:16:23   ( -80.48, -67.71) 04/17/2023   22:16:34  ( -80.48, -67.67)    0.78                11
 04/17/2023   23:07:01   (  80.63, 101.77) 04/17/2023   23:05:53  (  80.63, 101.61)    2.85                68
 04/20/2023   12:51:43   ( -80.49,  73.56) 04/20/2023   12:51:59  ( -80.49,  73.60)    0.75                16
 04/20/2023   13:42:21   (  80.64,-116.97) 04/20/2023   13:41:18  (  80.63,-117.14)    3.06                63
 04/23/2023   03:27:03   ( -80.49,-145.23) 04/23/2023   03:27:23  ( -80.49,-145.23)    0.27                20
 04/23/2023   04:17:44   (  80.57,  23.22) 04/23/2023   04:16:44  (  80.57,  23.35)    2.50                60
 04/25/2023   18:02:22   ( -80.51,  -3.75) 04/25/2023   18:02:45  ( -80.51,  -3.84)    1.74                23
 04/25/2023   18:53:03   (  80.59, 164.68) 04/25/2023   18:52:06  (  80.59, 164.72)    0.83                57
 04/28/2023   08:37:42   ( -80.48, 137.00) 04/28/2023   08:38:06  ( -80.49, 137.12)    2.31                24