Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 4 22.  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   ( -70.75,-105.84) 04/28/2025   06:43:37  ( -70.77,-107.80)   72.11                69
 04/28/2025   07:35:40   (  71.19,  60.73) 04/28/2025   07:34:27  (  71.21,  60.22)   18.36                73
 04/28/2025   08:26:28   ( -71.39,-132.29) 04/28/2025   08:25:22  ( -71.37,-132.24)    2.86                66
 04/28/2025   09:17:13   (  71.36,  35.06) 04/28/2025   09:16:20  (  71.39,  35.07)    3.56                53
 04/28/2025   10:07:58   ( -71.40,-157.69) 04/28/2025   10:07:18  ( -71.39,-157.67)    0.71                40
 04/28/2025   10:58:44   (  71.43,   9.57) 04/28/2025   10:58:16  (  71.42,   9.63)    2.24                28
 04/28/2025   11:49:28   ( -71.41, 176.92) 04/28/2025   11:49:14  ( -71.42, 176.90)    1.56                14
 04/28/2025   12:40:14   (  71.44, -15.82) 04/28/2025   12:40:12  (  71.45, -15.80)    1.56                 2
 04/28/2025   13:30:59   ( -71.48, 151.43) 04/28/2025   13:31:10  ( -71.45, 151.47)    2.88                11
 04/28/2025   14:21:44   (  71.45, -41.22) 04/28/2025   14:22:08  (  71.48, -41.23)    2.98                24
 04/28/2025   15:12:29   ( -71.49, 126.03) 04/28/2025   15:13:06  ( -71.48, 126.04)    0.73                37
 04/28/2025   16:03:15   (  71.52, -66.71) 04/28/2025   16:04:04  (  71.51, -66.66)    2.04                49
 04/28/2025   16:53:59   ( -71.50, 100.63) 04/28/2025   16:55:02  ( -71.51, 100.61)    1.48                63
 04/28/2025   17:44:46   (  71.58, -92.20) 04/28/2025   17:46:00  (  71.54, -92.09)    6.36                74
 04/28/2025   18:35:39   ( -72.03,  74.29) 04/28/2025   18:36:49  ( -72.00,  76.05)   60.49                70