Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 3.  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, -80.51) 04/12/2025   05:02:38  ( -70.71, -82.98)   90.84                67
 04/12/2025   05:54:42   (  71.32,  85.78) 04/12/2025   05:53:28  (  71.31,  85.32)   16.33                74
 04/12/2025   06:45:29   ( -71.45,-107.14) 04/12/2025   06:44:20  ( -71.46,-107.14)    1.35                69
 04/12/2025   07:36:15   (  71.48,  60.11) 04/12/2025   07:35:21  (  71.50,  60.17)    2.69                54
 04/12/2025   08:27:00   ( -71.51,-132.62) 04/12/2025   08:26:16  ( -71.49,-132.56)    2.92                44
 04/12/2025   09:17:45   (  71.50,  34.72) 04/12/2025   09:17:18  (  71.48,  34.65)    3.01                27
 04/12/2025   10:08:30   ( -71.52,-158.02) 04/12/2025   10:08:12  ( -71.52,-157.99)    0.95                18
 04/12/2025   10:59:16   (  71.56,   9.23) 04/12/2025   10:59:13  (  71.56,   9.32)    3.30                 3
 04/12/2025   11:50:00   ( -71.53, 176.59) 04/12/2025   11:50:08  ( -71.55, 176.59)    2.58                 8
 04/12/2025   12:40:46   (  71.57, -16.16) 04/12/2025   12:41:09  (  71.59, -16.10)    3.22                23
 04/12/2025   13:31:31   ( -71.59, 151.11) 04/12/2025   13:32:04  ( -71.59, 151.16)    2.11                33
 04/12/2025   14:22:16   (  71.58, -41.56) 04/12/2025   14:23:06  (  71.57, -41.62)    2.55                50
 04/12/2025   15:13:01   ( -71.60, 125.71) 04/12/2025   15:14:00  ( -71.62, 125.74)    1.67                59
 04/12/2025   16:03:48   (  71.69, -67.14) 04/12/2025   16:05:01  (  71.65, -66.95)    7.96                73
 04/12/2025   16:54:39   ( -72.03,  99.56) 04/12/2025   16:55:50  ( -71.95, 100.89)   46.69                71