Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 26.  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)
 04/28/2025   07:35:45   (  70.63,  61.60) 04/28/2025   07:34:38  (  70.61,  59.18)   89.47                67
 04/28/2025   08:26:39   ( -71.14,-131.94) 04/28/2025   08:25:26  ( -71.13,-132.67)   26.49                73
 04/28/2025   09:17:29   (  71.36,  34.99) 04/28/2025   09:16:20  (  71.36,  35.01)    0.61                69
 04/28/2025   10:08:13   ( -71.35,-157.67) 04/28/2025   10:07:18  ( -71.36,-157.74)    2.63                55
 04/28/2025   10:59:00   (  71.41,   9.52) 04/28/2025   10:58:16  (  71.39,   9.58)    3.12                44
 04/28/2025   11:49:44   ( -71.40, 176.86) 04/28/2025   11:49:14  ( -71.39, 176.83)    1.65                30
 04/28/2025   12:40:30   (  71.41, -15.85) 04/28/2025   12:40:12  (  71.42, -15.86)    0.64                18
 04/28/2025   13:31:14   ( -71.40, 151.49) 04/28/2025   13:31:10  ( -71.42, 151.40)    3.63                 4
 04/28/2025   14:22:01   (  71.47, -41.32) 04/28/2025   14:22:08  (  71.45, -41.29)    2.27                 7
 04/28/2025   15:12:45   ( -71.45, 126.02) 04/28/2025   15:13:06  ( -71.45, 125.97)    1.87                21
 04/28/2025   16:03:31   (  71.47, -66.69) 04/28/2025   16:04:04  (  71.48, -66.72)    1.50                33
 04/28/2025   16:54:16   ( -71.50, 100.55) 04/28/2025   16:55:02  ( -71.48, 100.54)    3.14                46
 04/28/2025   17:45:02   (  71.52, -92.16) 04/28/2025   17:46:00  (  71.50, -92.15)    1.55                58
 04/28/2025   18:35:46   ( -71.50,  75.18) 04/28/2025   18:36:58  ( -71.50,  75.11)    2.46                72
 04/28/2025   19:26:39   (  71.88,-118.19) 04/28/2025   19:27:50  (  71.84,-117.00)   41.54                71