Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 7.  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   22:35:53   (  74.36,-171.11) 08/19/2023   22:34:44  (  74.34,-173.22)   63.31                69
 08/19/2023   23:26:45   ( -74.74,  -4.80) 08/19/2023   23:25:39  ( -74.76,  -4.78)    2.48                66
 08/20/2023   00:17:31   (  74.76, 162.45) 08/20/2023   00:16:34  (  74.76, 162.48)    0.99                57
 08/20/2023   01:08:15   ( -74.75, -30.20) 08/20/2023   01:07:38  ( -74.76, -30.29)    2.61                37
 08/20/2023   01:59:01   (  74.77, 137.05) 08/20/2023   01:58:33  (  74.76, 136.98)    2.81                28
 08/20/2023   02:49:46   ( -74.81, -55.74) 08/20/2023   02:49:36  ( -74.80, -55.65)    2.55                10
 08/20/2023   03:40:31   (  74.78, 111.65) 08/20/2023   03:40:31  (  74.80, 111.61)    2.06                 0
 08/20/2023   04:31:16   ( -74.82, -81.14) 08/20/2023   04:31:35  ( -74.80, -81.16)    2.48                19
 08/20/2023   05:22:02   (  74.84,  86.11) 08/20/2023   05:22:29  (  74.84,  86.24)    3.75                27
 08/20/2023   06:12:46   ( -74.83,-106.54) 08/20/2023   06:13:33  ( -74.84,-106.53)    1.29                47
 08/20/2023   07:03:32   (  74.85,  60.71) 08/20/2023   07:04:28  (  74.84,  60.73)    1.85                56
 08/20/2023   07:54:17   ( -74.89,-132.08) 08/20/2023   07:55:31  ( -74.88,-131.89)    5.35                74
 08/20/2023   08:45:11   (  75.29,  34.06) 08/20/2023   08:46:19  (  75.20,  36.36)   65.91                68