Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and AQUA
TLE Epoch: 2023 9 18.  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)
 09/20/2023   15:03:59   ( -80.88,  46.80) 09/20/2023   15:05:10  ( -80.88,  46.84)    0.70                71
 09/20/2023   15:54:41   (  80.93,-144.89) 09/20/2023   15:54:32  (  80.93,-144.90)    0.50                 9
 09/23/2023   05:39:21   ( -80.93,-171.21) 09/23/2023   05:39:34  ( -80.93,-171.10)    1.87                13
 09/23/2023   06:30:03   (  80.97,  -2.91) 09/23/2023   06:28:56  (  80.97,  -2.85)    0.95                67
 09/25/2023   19:24:02   (  80.91, 162.25) 09/25/2023   19:24:36  (  80.91, 162.35)    1.85                34
 09/25/2023   20:14:44   ( -80.96, -29.27) 09/25/2023   20:13:58  ( -80.97, -29.15)    2.19                46
 09/28/2023   09:08:43   ( -80.90, 135.86) 09/28/2023   09:09:37  ( -80.90, 135.99)    2.31                54
 09/28/2023   09:59:24   (  80.96, -55.54) 09/28/2023   09:58:58  (  80.96, -55.45)    1.65                26
 09/30/2023   22:53:22   (  80.90, 109.86) 09/30/2023   22:54:35  (  80.91, 109.94)    1.49                73