Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 12.  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   (  70.25, 122.18) 08/20/2025   03:34:27  (  70.23, 120.87)   49.34                71
 08/20/2025   04:26:30   ( -70.65, -71.14) 08/20/2025   04:25:15  ( -70.60, -71.24)    6.32                75
 08/20/2025   05:17:16   (  70.68,  96.12) 08/20/2025   05:16:15  (  70.66,  96.10)    2.06                61
 08/20/2025   06:08:01   ( -70.71, -96.61) 08/20/2025   06:07:10  ( -70.67, -96.61)    3.69                51
 08/20/2025   06:58:47   (  70.74,  70.65) 08/20/2025   06:58:10  (  70.73,  70.73)    3.03                37
 08/20/2025   07:49:31   ( -70.71,-121.99) 08/20/2025   07:49:06  ( -70.69,-122.06)    3.35                25
 08/20/2025   08:40:17   (  70.74,  45.27) 08/20/2025   08:40:06  (  70.75,  45.28)    0.95                11
 08/20/2025   09:31:02   ( -70.77,-147.46) 08/20/2025   09:31:01  ( -70.76,-147.43)    1.63                 1
 08/20/2025   10:21:47   (  70.75,  19.88) 08/20/2025   10:22:02  (  70.77,  19.83)    3.01                15
 08/20/2025   11:12:32   ( -70.78,-172.85) 08/20/2025   11:12:57  ( -70.78,-172.88)    1.24                25
 08/20/2025   12:03:18   (  70.81,  -5.59) 08/20/2025   12:03:58  (  70.79,  -5.62)    2.65                40
 08/20/2025   12:54:03   ( -70.83, 161.68) 08/20/2025   12:54:52  ( -70.85, 161.76)    3.38                49
 08/20/2025   13:44:49   (  70.86, -31.06) 08/20/2025   13:45:53  (  70.86, -30.99)    2.68                64
 08/20/2025   14:35:34   ( -70.89, 136.21) 08/20/2025   14:36:48  ( -70.87, 136.31)    4.25                74
 08/20/2025   15:26:30   (  71.44, -57.42) 08/20/2025   15:27:39  (  71.39, -55.52)   67.65                69