Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 1.  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   ( -70.72, -80.53) 04/12/2025   05:02:39  ( -70.72, -82.97)   89.37                67
 04/12/2025   05:54:43   (  71.34,  85.74) 04/12/2025   05:53:29  (  71.32,  85.33)   14.92                74
 04/12/2025   06:45:30   ( -71.46,-107.17) 04/12/2025   06:44:21  ( -71.47,-107.12)    1.54                69
 04/12/2025   07:36:15   (  71.45,  60.17) 04/12/2025   07:35:23  (  71.45,  60.09)    2.74                52
 04/12/2025   08:27:00   ( -71.47,-132.56) 04/12/2025   08:26:17  ( -71.50,-132.55)    2.88                43
 04/12/2025   09:17:46   (  71.51,  34.68) 04/12/2025   09:17:19  (  71.48,  34.67)    3.33                27
 04/12/2025   10:08:31   ( -71.54,-158.04) 04/12/2025   10:08:13  ( -71.53,-157.97)    2.51                18
 04/12/2025   10:59:16   (  71.52,   9.29) 04/12/2025   10:59:15  (  71.52,   9.24)    1.99                 1
 04/12/2025   11:50:01   ( -71.55, 176.56) 04/12/2025   11:50:09  ( -71.56, 176.60)    2.28                 8
 04/12/2025   12:40:46   (  71.53, -16.10) 04/12/2025   12:41:11  (  71.55, -16.19)    3.17                25
 04/12/2025   13:31:31   ( -71.56, 151.17) 04/12/2025   13:32:06  ( -71.54, 151.08)    3.43                35
 04/12/2025   14:22:17   (  71.60, -41.59) 04/12/2025   14:23:07  (  71.58, -41.61)    2.22                50
 04/12/2025   15:13:02   ( -71.62, 125.68) 04/12/2025   15:14:01  ( -71.63, 125.75)    2.54                59
 04/12/2025   16:03:49   (  71.71, -67.17) 04/12/2025   16:05:02  (  71.66, -66.94)    9.90                73
 04/12/2025   16:54:40   ( -72.04,  99.53) 04/12/2025   16:55:50  ( -72.01, 101.01)   51.02                70