Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 15.  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   06:44:46   ( -70.77,-105.87) 04/28/2025   06:43:37  ( -70.73,-107.88)   73.74                69
 04/28/2025   07:35:40   (  71.22,  60.68) 04/28/2025   07:34:26  (  71.21,  60.22)   16.44                74
 04/28/2025   08:26:27   ( -71.35,-132.24) 04/28/2025   08:25:21  ( -71.37,-132.23)    2.09                66
 04/28/2025   09:17:13   (  71.39,  35.01) 04/28/2025   09:16:19  (  71.39,  35.07)    2.09                54
 04/28/2025   10:07:58   ( -71.42,-157.72) 04/28/2025   10:07:17  ( -71.40,-157.66)    3.01                41
 04/28/2025   10:58:43   (  71.40,   9.62) 04/28/2025   10:58:15  (  71.42,   9.64)    2.33                28
 04/28/2025   11:49:28   ( -71.43, 176.88) 04/28/2025   11:49:13  ( -71.43, 176.91)    1.10                15
 04/28/2025   12:40:14   (  71.47, -15.87) 04/28/2025   12:40:11  (  71.45, -15.79)    3.33                 3
 04/28/2025   13:30:58   ( -71.44, 151.48) 04/28/2025   13:31:09  ( -71.46, 151.48)    1.63                11
 04/28/2025   14:21:44   (  71.48, -41.27) 04/28/2025   14:22:07  (  71.48, -41.23)    1.50                23
 04/28/2025   15:12:29   ( -71.51, 126.00) 04/28/2025   15:13:05  ( -71.49, 126.05)    3.03                36
 04/28/2025   16:03:14   (  71.49, -66.67) 04/28/2025   16:04:03  (  71.51, -66.66)    1.50                49
 04/28/2025   16:53:59   ( -71.52, 100.60) 04/28/2025   16:55:01  ( -71.52, 100.62)    0.92                62
 04/28/2025   17:44:45   (  71.56, -92.16) 04/28/2025   17:45:59  (  71.53, -92.09)    3.45                74
 04/28/2025   18:35:39   ( -72.05,  74.25) 04/28/2025   18:36:48  ( -72.00,  76.06)   62.27                69