Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 25.  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   (  70.62,  61.61) 04/28/2025   07:34:38  (  70.62,  59.18)   89.59                67
 04/28/2025   08:26:39   ( -71.13,-131.92) 04/28/2025   08:25:26  ( -71.13,-132.66)   26.56                73
 04/28/2025   09:17:29   (  71.35,  35.01) 04/28/2025   09:16:20  (  71.37,  35.02)    1.65                69
 04/28/2025   10:08:14   ( -71.39,-157.75) 04/28/2025   10:07:18  ( -71.37,-157.72)    2.96                56
 04/28/2025   10:59:00   (  71.40,   9.54) 04/28/2025   10:58:16  (  71.40,   9.59)    1.94                44
 04/28/2025   11:49:44   ( -71.39, 176.88) 04/28/2025   11:49:14  ( -71.40, 176.84)    1.27                30
 04/28/2025   12:40:30   (  71.40, -15.84) 04/28/2025   12:40:12  (  71.42, -15.85)    2.19                18
 04/28/2025   13:31:15   ( -71.44, 151.41) 04/28/2025   13:31:10  ( -71.42, 151.41)    2.10                 5
 04/28/2025   14:22:01   (  71.46, -41.30) 04/28/2025   14:22:08  (  71.45, -41.28)    0.95                 7
 04/28/2025   15:12:45   ( -71.44, 126.04) 04/28/2025   15:13:06  ( -71.45, 125.98)    2.25                21
 04/28/2025   16:03:31   (  71.46, -66.68) 04/28/2025   16:04:04  (  71.48, -66.71)    2.96                33
 04/28/2025   16:54:16   ( -71.49, 100.57) 04/28/2025   16:55:02  ( -71.48, 100.55)    1.50                46
 04/28/2025   17:45:02   (  71.51, -92.14) 04/28/2025   17:46:00  (  71.51, -92.14)    0.13                58
 04/28/2025   18:35:46   ( -71.49,  75.20) 04/28/2025   18:36:58  ( -71.51,  75.12)    3.23                72
 04/28/2025   19:26:39   (  71.87,-118.18) 04/28/2025   19:27:50  (  71.84,-116.99)   41.21                71