Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 11.  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)
 08/20/2025   03:35:37   (  70.23, 122.21) 08/20/2025   03:34:26  (  70.24, 120.89)   49.53                71
 08/20/2025   04:26:29   ( -70.63, -71.11) 08/20/2025   04:25:14  ( -70.62, -71.22)    4.14                75
 08/20/2025   05:17:15   (  70.66,  96.16) 08/20/2025   05:16:14  (  70.68,  96.13)    2.41                61
 08/20/2025   06:08:00   ( -70.69, -96.58) 08/20/2025   06:07:09  ( -70.69, -96.58)    0.49                51
 08/20/2025   06:58:46   (  70.72,  70.69) 08/20/2025   06:58:10  (  70.70,  70.67)    2.39                36
 08/20/2025   07:49:30   ( -70.69,-121.96) 08/20/2025   07:49:05  ( -70.71,-122.03)    3.31                25
 08/20/2025   08:40:16   (  70.72,  45.30) 08/20/2025   08:40:06  (  70.71,  45.22)    3.19                10
 08/20/2025   09:31:01   ( -70.75,-147.43) 08/20/2025   09:31:01  ( -70.73,-147.49)    3.28                 0
 08/20/2025   10:21:47   (  70.78,  19.83) 08/20/2025   10:22:01  (  70.78,  19.86)    0.90                14
 08/20/2025   11:12:32   ( -70.81,-172.90) 08/20/2025   11:12:56  ( -70.80,-172.85)    2.13                24
 08/20/2025   12:03:17   (  70.79,  -5.55) 08/20/2025   12:03:57  (  70.80,  -5.60)    2.38                40
 08/20/2025   12:54:02   ( -70.81, 161.72) 08/20/2025   12:54:52  ( -70.82, 161.70)    0.75                50
 08/20/2025   13:44:48   (  70.84, -31.02) 08/20/2025   13:45:53  (  70.82, -31.05)    2.96                65
 08/20/2025   14:35:33   ( -70.87, 136.25) 08/20/2025   14:36:47  ( -70.89, 136.34)    3.57                74
 08/20/2025   15:26:29   (  71.42, -57.39) 08/20/2025   15:27:38  (  71.40, -55.50)   67.13                69