Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 8.  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  ( -70.75, -82.92)   86.73                68
 04/12/2025   05:54:42   (  71.29,  85.82) 04/12/2025   05:53:29  (  71.30,  85.30)   18.87                73
 04/12/2025   06:45:29   ( -71.43,-107.10) 04/12/2025   06:44:21  ( -71.44,-107.17)    3.24                68
 04/12/2025   07:36:15   (  71.46,  60.16) 04/12/2025   07:35:22  (  71.49,  60.15)    3.21                53
 04/12/2025   08:27:00   ( -71.49,-132.58) 04/12/2025   08:26:17  ( -71.48,-132.59)    1.42                43
 04/12/2025   09:17:46   (  71.52,  34.67) 04/12/2025   09:17:18  (  71.52,  34.73)    1.95                28
 04/12/2025   10:08:29   ( -71.50,-157.98) 04/12/2025   10:08:12  ( -71.51,-158.02)    1.80                17
 04/12/2025   10:59:15   (  71.53,   9.28) 04/12/2025   10:59:13  (  71.55,   9.30)    2.11                 2
 04/12/2025   11:50:00   ( -71.56, 176.54) 04/12/2025   11:50:08  ( -71.54, 176.55)    2.56                 8
 04/12/2025   12:40:46   (  71.59, -16.21) 04/12/2025   12:41:09  (  71.58, -16.13)    3.32                23
 04/12/2025   13:31:30   ( -71.57, 151.14) 04/12/2025   13:32:04  ( -71.57, 151.13)    0.54                34
 04/12/2025   14:22:16   (  71.60, -41.60) 04/12/2025   14:23:05  (  71.61, -41.55)    1.95                49
 04/12/2025   15:13:00   ( -71.58, 125.75) 04/12/2025   15:14:00  ( -71.60, 125.70)    2.67                60
 04/12/2025   16:03:47   (  71.67, -67.09) 04/12/2025   16:05:01  (  71.64, -66.98)    4.89                74
 04/12/2025   16:54:38   ( -72.00,  99.60) 04/12/2025   16:55:49  ( -71.99, 100.96)   46.93                71