Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 13.  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   (  70.22, 122.22) 08/20/2025   03:34:26  (  70.26, 120.92)   49.28                71
 08/20/2025   04:26:29   ( -70.62, -71.10) 08/20/2025   04:25:14  ( -70.63, -71.20)    3.84                75
 08/20/2025   05:17:16   (  70.70,  96.08) 08/20/2025   05:16:14  (  70.69,  96.15)    2.61                62
 08/20/2025   06:08:00   ( -70.68, -96.57) 08/20/2025   06:07:09  ( -70.70, -96.56)    2.62                51
 08/20/2025   06:58:46   (  70.71,  70.70) 08/20/2025   06:58:10  (  70.71,  70.70)    0.43                36
 08/20/2025   07:49:31   ( -70.74,-122.03) 08/20/2025   07:49:05  ( -70.72,-122.01)    1.94                26
 08/20/2025   08:40:16   (  70.71,  45.32) 08/20/2025   08:40:06  (  70.73,  45.25)    3.17                10
 08/20/2025   09:31:01   ( -70.74,-147.42) 08/20/2025   09:31:01  ( -70.74,-147.46)    1.69                 0
 08/20/2025   10:21:47   (  70.77,  19.85) 08/20/2025   10:22:02  (  70.75,  19.79)    3.31                15
 08/20/2025   11:12:32   ( -70.80,-172.89) 08/20/2025   11:12:56  ( -70.81,-172.83)    2.45                24
 08/20/2025   12:03:18   (  70.83,  -5.62) 08/20/2025   12:03:57  (  70.82,  -5.57)    2.35                39
 08/20/2025   12:54:02   ( -70.81, 161.73) 08/20/2025   12:54:52  ( -70.83, 161.72)    2.49                50
 08/20/2025   13:44:48   (  70.84, -31.01) 08/20/2025   13:45:53  (  70.84, -31.02)    0.57                65
 08/20/2025   14:35:34   ( -70.92, 136.17) 08/20/2025   14:36:47  ( -70.90, 136.36)    7.10                73
 08/20/2025   15:26:30   (  71.47, -57.46) 08/20/2025   15:27:38  (  71.42, -55.47)   70.90                68