Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 9.  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)
 04/12/2025   05:03:45   ( -70.71, -80.52) 04/12/2025   05:02:38  ( -70.72, -82.97)   90.05                67
 04/12/2025   05:54:42   (  71.32,  85.78) 04/12/2025   05:53:28  (  71.32,  85.34)   15.64                74
 04/12/2025   06:45:29   ( -71.45,-107.15) 04/12/2025   06:44:20  ( -71.47,-107.13)    1.70                69
 04/12/2025   07:36:15   (  71.48,  60.11) 04/12/2025   07:35:22  (  71.46,  60.10)    2.77                53
 04/12/2025   08:27:00   ( -71.52,-132.63) 04/12/2025   08:26:16  ( -71.50,-132.55)    3.45                44
 04/12/2025   09:17:45   (  71.49,  34.72) 04/12/2025   09:17:18  (  71.49,  34.67)    1.55                27
 04/12/2025   10:08:30   ( -71.53,-158.03) 04/12/2025   10:08:12  ( -71.53,-157.98)    1.77                18
 04/12/2025   10:59:15   (  71.51,   9.32) 04/12/2025   10:59:14  (  71.52,   9.25)    3.15                 1
 04/12/2025   11:50:00   ( -71.54, 176.58) 04/12/2025   11:50:08  ( -71.56, 176.60)    2.75                 8
 04/12/2025   12:40:46   (  71.57, -16.16) 04/12/2025   12:41:10  (  71.55, -16.18)    1.82                24
 04/12/2025   13:31:31   ( -71.60, 151.09) 04/12/2025   13:32:04  ( -71.59, 151.17)    2.84                33
 04/12/2025   14:22:16   (  71.58, -41.56) 04/12/2025   14:23:06  (  71.58, -41.60)    1.68                50
 04/12/2025   15:13:01   ( -71.61, 125.70) 04/12/2025   15:14:00  ( -71.62, 125.75)    2.25                59
 04/12/2025   16:03:48   (  71.69, -67.14) 04/12/2025   16:05:01  (  71.67, -66.93)    7.85                73
 04/12/2025   16:54:39   ( -72.03,  99.54) 04/12/2025   16:55:50  ( -71.96, 100.91)   47.49                71