Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 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)
 06/16/2025   01:22:18   ( -70.77, -25.27) 06/16/2025   01:21:06  ( -70.73, -26.27)   36.78                72
 06/16/2025   02:13:08   (  70.94, 141.75) 06/16/2025   02:11:54  (  70.95, 141.39)   12.94                74
 06/16/2025   03:03:54   ( -71.08, -51.18) 06/16/2025   03:02:56  ( -71.07, -51.18)    2.07                58
 06/16/2025   03:54:41   (  71.10, 116.10) 06/16/2025   03:53:48  (  71.08, 116.13)    2.56                53
 06/16/2025   04:45:24   ( -71.09, -76.55) 06/16/2025   04:44:52  ( -71.09, -76.62)    2.48                32
 06/16/2025   05:36:11   (  71.10,  90.72) 06/16/2025   05:35:44  (  71.10,  90.69)    1.29                27
 06/16/2025   06:26:55   ( -71.14,-102.02) 06/16/2025   06:26:47  ( -71.16,-101.98)    2.87                 8
 06/16/2025   07:17:42   (  71.16,  65.25) 06/16/2025   07:17:39  (  71.18,  65.34)    3.60                 3
 06/16/2025   08:08:25   ( -71.20,-127.49) 06/16/2025   08:08:42  ( -71.18,-127.42)    2.89                17
 06/16/2025   08:59:11   (  71.16,  39.87) 06/16/2025   08:59:35  (  71.15,  39.80)    2.95                24
 06/16/2025   09:49:55   ( -71.20,-152.87) 06/16/2025   09:50:38  ( -71.21,-152.86)    1.02                43
 06/16/2025   10:40:42   (  71.22,  14.40) 06/16/2025   10:41:30  (  71.22,  14.45)    1.83                48
 06/16/2025   11:31:26   ( -71.25,-178.34) 06/16/2025   11:32:34  ( -71.23,-178.30)    2.88                68
 06/16/2025   12:22:13   (  71.27, -11.07) 06/16/2025   12:23:26  (  71.25, -10.99)    3.82                73
 06/16/2025   13:13:10   ( -71.98, 154.98) 06/16/2025   13:14:17  ( -71.91, 157.49)   87.06                67