Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 6.  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   (  70.24, 122.20) 08/20/2025   03:34:27  (  70.21, 120.84)   51.33                71
 08/20/2025   04:26:30   ( -70.63, -71.11) 08/20/2025   04:25:15  ( -70.59, -71.26)    7.17                75
 08/20/2025   05:17:16   (  70.66,  96.15) 08/20/2025   05:16:14  (  70.69,  96.16)    3.54                62
 08/20/2025   06:08:01   ( -70.69, -96.58) 08/20/2025   06:07:09  ( -70.71, -96.54)    3.14                52
 08/20/2025   06:58:47   (  70.72,  70.68) 08/20/2025   06:58:10  (  70.71,  70.71)    1.37                37
 08/20/2025   07:49:32   ( -70.74,-122.05) 08/20/2025   07:49:05  ( -70.73,-121.99)    2.39                27
 08/20/2025   08:40:17   (  70.73,  45.29) 08/20/2025   08:40:06  (  70.73,  45.25)    1.58                11
 08/20/2025   09:31:02   ( -70.75,-147.43) 08/20/2025   09:31:01  ( -70.75,-147.45)    0.60                 1
 08/20/2025   10:21:47   (  70.78,  19.82) 08/20/2025   10:22:00  (  70.80,  19.89)    3.02                13
 08/20/2025   11:12:31   ( -70.75,-172.81) 08/20/2025   11:12:56  ( -70.77,-172.90)    3.42                25
 08/20/2025   12:03:17   (  70.79,  -5.56) 08/20/2025   12:03:56  (  70.82,  -5.56)    3.25                39
 08/20/2025   12:54:02   ( -70.81, 161.72) 08/20/2025   12:54:51  ( -70.84, 161.74)    2.97                49
 08/20/2025   13:44:48   (  70.85, -31.03) 08/20/2025   13:45:52  (  70.84, -31.01)    1.31                64
 08/20/2025   14:35:33   ( -70.87, 136.25) 08/20/2025   14:36:47  ( -70.86, 136.29)    2.12                74
 08/20/2025   15:26:29   (  71.43, -57.40) 08/20/2025   15:27:38  (  71.37, -55.55)   65.73                69