Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 1 27.  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)
 02/06/2025   23:08:18   (  71.10,-172.16) 02/06/2025   23:07:11  (  71.08,-174.80)   95.11                67
 02/06/2025   23:59:16   ( -71.85,  -6.19) 02/06/2025   23:58:01  ( -71.83,  -6.19)    2.87                75
 02/07/2025   00:50:02   (  71.84, 161.14) 02/07/2025   00:48:53  (  71.84, 161.12)    0.76                69
 02/07/2025   01:40:46   ( -71.87, -31.60) 02/07/2025   01:39:57  ( -71.87, -31.59)    0.20                49
 02/07/2025   02:31:32   (  71.86, 135.74) 02/07/2025   02:30:49  (  71.89, 135.72)    3.26                43
 02/07/2025   03:22:16   ( -71.89, -57.00) 02/07/2025   03:21:53  ( -71.92, -56.99)    3.05                23
 02/07/2025   04:13:03   (  71.93, 110.23) 02/07/2025   04:12:45  (  71.93, 110.32)    3.13                18
 02/07/2025   05:03:46   ( -71.91, -82.41) 02/07/2025   05:03:50  ( -71.91, -82.49)    2.81                 4
 02/07/2025   05:54:33   (  71.95,  84.83) 02/07/2025   05:54:42  (  71.93,  84.83)    2.18                 9
 02/07/2025   06:45:17   ( -71.98,-107.91) 02/07/2025   06:45:46  ( -71.95,-107.89)    2.54                29
 02/07/2025   07:36:03   (  71.96,  59.42) 02/07/2025   07:36:38  (  71.97,  59.43)    0.82                35
 02/07/2025   08:26:47   ( -71.99,-133.32) 02/07/2025   08:27:42  ( -72.00,-133.29)    1.14                55
 02/07/2025   09:17:33   (  71.98,  34.01) 02/07/2025   09:18:35  (  71.96,  33.93)    3.48                62
 02/07/2025   10:08:22   ( -72.27,-159.21) 02/07/2025   10:09:34  ( -72.24,-158.28)   31.73                72
 02/07/2025   10:59:13   (  72.51,   7.61) 02/07/2025   11:00:22  (  72.46,   9.45)   61.91                69