Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 1 30.  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   23:08:17   (  71.07,-172.12) 02/06/2025   23:07:11  (  71.05,-174.86)   98.76                66
 02/06/2025   23:59:15   ( -71.83,  -6.15) 02/06/2025   23:58:00  ( -71.85,  -6.15)    1.80                75
 02/07/2025   00:50:02   (  71.87, 161.09) 02/07/2025   00:48:52  (  71.87, 161.16)    2.38                70
 02/07/2025   01:40:46   ( -71.90, -31.65) 02/07/2025   01:39:56  ( -71.89, -31.55)    3.46                50
 02/07/2025   02:31:32   (  71.89, 135.69) 02/07/2025   02:30:49  (  71.86, 135.66)    3.03                43
 02/07/2025   03:22:16   ( -71.92, -57.06) 02/07/2025   03:21:53  ( -71.89, -57.05)    3.65                23
 02/07/2025   04:13:02   (  71.90, 110.28) 02/07/2025   04:12:45  (  71.90, 110.26)    0.56                17
 02/07/2025   05:03:46   ( -71.94, -82.46) 02/07/2025   05:03:49  ( -71.93, -82.45)    0.79                 3
 02/07/2025   05:54:32   (  71.92,  84.87) 02/07/2025   05:54:41  (  71.95,  84.87)    3.05                 9
 02/07/2025   06:45:16   ( -71.95,-107.87) 02/07/2025   06:45:45  ( -71.97,-107.85)    2.31                29
 02/07/2025   07:36:03   (  71.99,  59.37) 02/07/2025   07:36:37  (  71.99,  59.47)    3.32                34
 02/07/2025   08:26:46   ( -71.97,-133.27) 02/07/2025   08:27:42  ( -71.97,-133.35)    2.64                56
 02/07/2025   09:17:33   (  72.01,  33.96) 02/07/2025   09:18:34  (  71.99,  33.97)    2.39                61
 02/07/2025   10:08:22   ( -72.29,-159.27) 02/07/2025   10:09:34  ( -72.21,-158.35)   32.67                72
 02/07/2025   10:59:12   (  72.49,   7.66) 02/07/2025   11:00:21  (  72.48,   9.49)   61.43                69