Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 1 20.  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)
 01/22/2025   03:23:00   ( -71.58, -56.62) 01/22/2025   03:21:49  ( -71.53, -58.02)   49.54                71
 01/22/2025   04:13:50   (  71.78, 110.33) 01/22/2025   04:12:37  (  71.75, 109.67)   23.46                73
 01/22/2025   05:04:37   ( -71.96, -82.68) 01/22/2025   05:03:38  ( -71.94, -82.74)    3.03                59
 01/22/2025   05:55:23   (  71.95,  84.65) 01/22/2025   05:54:30  (  71.95,  84.57)    2.65                53
 01/22/2025   06:46:07   ( -71.97,-108.09) 01/22/2025   06:45:34  ( -71.98,-108.13)    1.88                33
 01/22/2025   07:36:54   (  72.01,  59.15) 01/22/2025   07:36:26  (  71.99,  59.17)    2.41                28
 01/22/2025   08:27:38   ( -72.04,-133.59) 01/22/2025   08:27:30  ( -72.03,-133.52)    2.40                 8
 01/22/2025   09:18:24   (  72.03,  33.74) 01/22/2025   09:18:22  (  72.04,  33.78)    1.88                 2
 01/22/2025   10:09:08   ( -72.05,-158.99) 01/22/2025   10:09:27  ( -72.03,-159.02)    3.31                19
 01/22/2025   10:59:54   (  72.04,   8.34) 01/22/2025   11:00:19  (  72.04,   8.29)    1.95                25
 01/22/2025   11:50:38   ( -72.07, 175.61) 01/22/2025   11:51:23  ( -72.07, 175.59)    0.67                45
 01/22/2025   12:41:24   (  72.06, -17.06) 01/22/2025   12:42:15  (  72.08, -17.10)    3.00                51
 01/22/2025   13:32:09   ( -72.14, 150.11) 01/22/2025   13:33:19  ( -72.12, 150.20)    3.64                70
 01/22/2025   14:22:57   (  72.23, -42.76) 01/22/2025   14:24:10  (  72.18, -42.39)   13.60                73