Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 21.  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  ( -70.77,-107.81)   71.28                69
 04/28/2025   07:35:40   (  71.21,  60.69) 04/28/2025   07:34:27  (  71.20,  60.21)   17.51                73
 04/28/2025   08:26:27   ( -71.35,-132.23) 04/28/2025   08:25:22  ( -71.36,-132.25)    1.00                65
 04/28/2025   09:17:13   (  71.38,  35.03) 04/28/2025   09:16:20  (  71.39,  35.05)    1.15                53
 04/28/2025   10:07:57   ( -71.37,-157.63) 04/28/2025   10:07:18  ( -71.39,-157.68)    3.21                39
 04/28/2025   10:58:43   (  71.39,   9.63) 04/28/2025   10:58:16  (  71.42,   9.62)    2.35                27
 04/28/2025   11:49:28   ( -71.43, 176.88) 04/28/2025   11:49:14  ( -71.42, 176.89)    1.29                14
 04/28/2025   12:40:14   (  71.46, -15.86) 04/28/2025   12:40:12  (  71.44, -15.81)    2.43                 2
 04/28/2025   13:30:58   ( -71.44, 151.48) 04/28/2025   13:31:10  ( -71.45, 151.46)    1.15                12
 04/28/2025   14:21:44   (  71.47, -41.26) 04/28/2025   14:22:08  (  71.47, -41.24)    0.53                24
 04/28/2025   15:12:28   ( -71.46, 126.09) 04/28/2025   15:13:06  ( -71.48, 126.03)    3.25                38
 04/28/2025   16:03:14   (  71.49, -66.65) 04/28/2025   16:04:04  (  71.50, -66.67)    1.95                50
 04/28/2025   16:53:59   ( -71.52, 100.60) 04/28/2025   16:55:02  ( -71.51, 100.60)    1.52                63
 04/28/2025   17:44:46   (  71.60, -92.24) 04/28/2025   17:45:59  (  71.58, -92.01)    8.30                73
 04/28/2025   18:35:39   ( -72.05,  74.25) 04/28/2025   18:36:49  ( -71.99,  76.04)   61.56                70