Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 14.  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   03:35:38   (  70.26, 122.16) 08/20/2025   03:34:27  (  70.23, 120.87)   48.86                71
 08/20/2025   04:26:29   ( -70.61, -71.08) 08/20/2025   04:25:15  ( -70.60, -71.25)    6.39                74
 08/20/2025   05:17:16   (  70.69,  96.11) 08/20/2025   05:16:15  (  70.66,  96.10)    2.78                61
 08/20/2025   06:08:00   ( -70.67, -96.54) 08/20/2025   06:07:10  ( -70.67, -96.61)    2.58                50
 08/20/2025   06:58:46   (  70.69,  70.72) 08/20/2025   06:58:11  (  70.68,  70.65)    3.14                35
 08/20/2025   07:49:31   ( -70.73,-122.01) 08/20/2025   07:49:05  ( -70.74,-121.98)    2.37                26
 08/20/2025   08:40:17   (  70.75,  45.25) 08/20/2025   08:40:06  (  70.75,  45.28)    1.04                11
 08/20/2025   09:31:02   ( -70.78,-147.48) 08/20/2025   09:31:01  ( -70.76,-147.43)    3.12                 1
 08/20/2025   10:21:47   (  70.76,  19.87) 08/20/2025   10:22:02  (  70.77,  19.83)    1.98                15
 08/20/2025   11:12:32   ( -70.79,-172.87) 08/20/2025   11:12:57  ( -70.78,-172.88)    1.05                25
 08/20/2025   12:03:18   (  70.82,  -5.60) 08/20/2025   12:03:58  (  70.79,  -5.62)    3.20                40
 08/20/2025   12:54:02   ( -70.79, 161.75) 08/20/2025   12:54:53  ( -70.80, 161.67)    2.98                51
 08/20/2025   13:44:49   (  70.87, -31.07) 08/20/2025   13:45:53  (  70.86, -30.99)    3.60                64
 08/20/2025   14:35:34   ( -70.90, 136.19) 08/20/2025   14:36:48  ( -70.87, 136.31)    5.70                74
 08/20/2025   15:26:30   (  71.45, -57.44) 08/20/2025   15:27:39  (  71.39, -55.52)   68.36                69