Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 5.  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, -80.55) 04/12/2025   05:02:38  ( -70.75, -82.91)   86.42                68
 04/12/2025   05:54:41   (  71.29,  85.83) 04/12/2025   05:53:28  (  71.31,  85.31)   18.56                73
 04/12/2025   06:45:29   ( -71.47,-107.18) 04/12/2025   06:44:20  ( -71.45,-107.15)    2.76                69
 04/12/2025   07:36:14   (  71.46,  60.16) 04/12/2025   07:35:21  (  71.49,  60.16)    3.69                53
 04/12/2025   08:26:59   ( -71.49,-132.58) 04/12/2025   08:26:16  ( -71.48,-132.58)    0.23                43
 04/12/2025   09:17:45   (  71.52,  34.67) 04/12/2025   09:17:17  (  71.52,  34.74)    2.30                28
 04/12/2025   10:08:29   ( -71.50,-157.97) 04/12/2025   10:08:12  ( -71.51,-158.00)    2.38                17
 04/12/2025   10:59:15   (  71.53,   9.28) 04/12/2025   10:59:13  (  71.55,   9.31)    2.69                 2
 04/12/2025   11:50:00   ( -71.56, 176.54) 04/12/2025   11:50:08  ( -71.55, 176.57)    1.67                 8
 04/12/2025   12:40:45   (  71.54, -16.12) 04/12/2025   12:41:10  (  71.53, -16.21)    3.48                25
 04/12/2025   13:31:30   ( -71.57, 151.15) 04/12/2025   13:32:04  ( -71.58, 151.15)    0.94                34
 04/12/2025   14:22:16   (  71.61, -41.60) 04/12/2025   14:23:05  (  71.62, -41.54)    2.48                49
 04/12/2025   15:13:01   ( -71.63, 125.66) 04/12/2025   15:14:00  ( -71.61, 125.72)    3.23                59
 04/12/2025   16:03:47   (  71.67, -67.09) 04/12/2025   16:05:01  (  71.65, -66.97)    4.98                74
 04/12/2025   16:54:39   ( -72.05,  99.51) 04/12/2025   16:55:49  ( -72.00, 100.98)   50.96                70