Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 6.  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   ( -70.73, -80.55) 04/12/2025   05:02:38  ( -70.75, -82.92)   86.94                68
 04/12/2025   05:54:41   (  71.29,  85.83) 04/12/2025   05:53:28  (  71.30,  85.30)   19.05                73
 04/12/2025   06:45:29   ( -71.47,-107.18) 04/12/2025   06:44:20  ( -71.45,-107.16)    3.02                69
 04/12/2025   07:36:14   (  71.45,  60.16) 04/12/2025   07:35:21  (  71.49,  60.15)    3.48                53
 04/12/2025   08:26:59   ( -71.48,-132.57) 04/12/2025   08:26:16  ( -71.48,-132.59)    0.89                43
 04/12/2025   09:17:45   (  71.52,  34.68) 04/12/2025   09:17:17  (  71.52,  34.73)    1.76                28
 04/12/2025   10:08:29   ( -71.49,-157.97) 04/12/2025   10:08:12  ( -71.51,-158.02)    2.38                17
 04/12/2025   10:59:15   (  71.53,   9.28) 04/12/2025   10:59:13  (  71.55,   9.30)    2.28                 2
 04/12/2025   11:50:00   ( -71.56, 176.55) 04/12/2025   11:50:08  ( -71.54, 176.56)    1.86                 8
 04/12/2025   12:40:46   (  71.59, -16.20) 04/12/2025   12:41:09  (  71.58, -16.13)    3.06                23
 04/12/2025   13:31:30   ( -71.57, 151.15) 04/12/2025   13:32:04  ( -71.57, 151.13)    0.86                34
 04/12/2025   14:22:16   (  71.60, -41.60) 04/12/2025   14:23:05  (  71.61, -41.55)    1.88                49
 04/12/2025   15:13:01   ( -71.63, 125.67) 04/12/2025   15:14:00  ( -71.60, 125.71)    3.30                59
 04/12/2025   16:03:47   (  71.66, -67.09) 04/12/2025   16:05:01  (  71.64, -66.98)    4.62                74
 04/12/2025   16:54:38   ( -72.00,  99.61) 04/12/2025   16:55:49  ( -71.99, 100.96)   46.69                71