Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 10.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2023   22:35:52   (  74.32,-171.01) 08/19/2023   22:34:44  (  74.32,-173.26)   67.60                68
 08/19/2023   23:26:45   ( -74.75,  -4.83) 08/19/2023   23:25:39  ( -74.75,  -4.83)    0.44                66
 08/20/2023   00:17:31   (  74.77, 162.43) 08/20/2023   00:16:34  (  74.75, 162.44)    2.66                57
 08/20/2023   01:08:15   ( -74.76, -30.23) 08/20/2023   01:07:37  ( -74.79, -30.19)    3.38                38
 08/20/2023   01:59:01   (  74.78, 137.03) 08/20/2023   01:58:32  (  74.79, 137.08)    1.75                29
 08/20/2023   02:49:45   ( -74.77, -55.63) 08/20/2023   02:49:36  ( -74.79, -55.70)    2.53                 9
 08/20/2023   03:40:31   (  74.79, 111.62) 08/20/2023   03:40:31  (  74.78, 111.57)    1.75                 0
 08/20/2023   04:31:16   ( -74.83, -81.17) 08/20/2023   04:31:34  ( -74.83, -81.07)    2.96                18
 08/20/2023   05:22:01   (  74.80,  86.22) 08/20/2023   05:22:29  (  74.83,  86.20)    2.96                28
 08/20/2023   06:12:46   ( -74.84,-106.57) 08/20/2023   06:13:33  ( -74.82,-106.57)    1.63                47
 08/20/2023   07:03:31   (  74.81,  60.82) 08/20/2023   07:04:28  (  74.82,  60.69)    3.88                57
 08/20/2023   07:54:17   ( -74.90,-132.11) 08/20/2023   07:55:31  ( -74.87,-131.94)    5.91                74
 08/20/2023   08:45:10   (  75.25,  34.18) 08/20/2023   08:46:18  (  75.24,  36.47)   64.88                68