Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 1 15.  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  ( -71.54, -58.01)   49.08                71
 01/22/2025   04:13:50   (  71.78, 110.32) 01/22/2025   04:12:37  (  71.75, 109.67)   23.09                73
 01/22/2025   05:04:37   ( -71.96, -82.69) 01/22/2025   05:03:38  ( -71.94, -82.73)    2.66                59
 01/22/2025   05:55:23   (  71.95,  84.63) 01/22/2025   05:54:30  (  71.95,  84.57)    2.28                53
 01/22/2025   06:46:07   ( -71.97,-108.09) 01/22/2025   06:45:34  ( -71.99,-108.12)    1.70                33
 01/22/2025   07:36:53   (  71.97,  59.23) 01/22/2025   07:36:26  (  71.99,  59.18)    3.27                27
 01/22/2025   08:27:38   ( -72.04,-133.59) 01/22/2025   08:27:30  ( -72.03,-133.51)    2.73                 8
 01/22/2025   09:18:24   (  72.04,  33.73) 01/22/2025   09:18:22  (  72.04,  33.78)    1.99                 2
 01/22/2025   10:09:08   ( -72.06,-158.99) 01/22/2025   10:09:27  ( -72.03,-159.00)    2.80                19
 01/22/2025   10:59:54   (  72.05,   8.33) 01/22/2025   11:00:19  (  72.04,   8.29)    1.88                25
 01/22/2025   11:50:38   ( -72.07, 175.61) 01/22/2025   11:51:23  ( -72.08, 175.60)    0.84                45
 01/22/2025   12:41:24   (  72.07, -17.08) 01/22/2025   12:42:15  (  72.08, -17.10)    2.29                51
 01/22/2025   13:32:08   ( -72.09, 150.20) 01/22/2025   13:33:20  ( -72.07, 150.11)    3.37                72
 01/22/2025   14:22:57   (  72.23, -42.77) 01/22/2025   14:24:10  (  72.18, -42.39)   14.29                73