Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 4.  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   05:03:46   ( -70.74, -80.56) 04/12/2025   05:02:38  ( -70.76, -82.89)   85.75                68
 04/12/2025   05:54:42   (  71.30,  85.82) 04/12/2025   05:53:29  (  71.31,  85.32)   17.89                73
 04/12/2025   06:45:30   ( -71.48,-107.19) 04/12/2025   06:44:21  ( -71.46,-107.14)    2.76                69
 04/12/2025   07:36:15   (  71.46,  60.15) 04/12/2025   07:35:23  (  71.45,  60.08)    3.08                52
 04/12/2025   08:27:00   ( -71.49,-132.58) 04/12/2025   08:26:17  ( -71.49,-132.57)    0.69                43
 04/12/2025   09:17:46   (  71.53,  34.66) 04/12/2025   09:17:18  (  71.53,  34.75)    3.02                28
 04/12/2025   10:08:29   ( -71.50,-157.98) 04/12/2025   10:08:12  ( -71.52,-157.99)    2.57                17
 04/12/2025   10:59:15   (  71.54,   9.27) 04/12/2025   10:59:13  (  71.56,   9.32)    3.23                 2
 04/12/2025   11:50:00   ( -71.56, 176.54) 04/12/2025   11:50:08  ( -71.55, 176.58)    1.91                 8
 04/12/2025   12:40:45   (  71.55, -16.12) 04/12/2025   12:41:10  (  71.54, -16.20)    2.72                25
 04/12/2025   13:31:30   ( -71.57, 151.14) 04/12/2025   13:32:04  ( -71.59, 151.16)    1.52                34
 04/12/2025   14:22:16   (  71.61, -41.61) 04/12/2025   14:23:05  (  71.62, -41.53)    3.25                49
 04/12/2025   15:13:01   ( -71.64, 125.66) 04/12/2025   15:14:00  ( -71.62, 125.73)    3.42                59
 04/12/2025   16:03:47   (  71.67, -67.10) 04/12/2025   16:05:01  (  71.65, -66.95)    5.55                74
 04/12/2025   16:54:39   ( -72.06,  99.50) 04/12/2025   16:55:49  ( -72.00, 100.99)   51.63                70