Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 3 3.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2025   06:45:35   (  70.13,  74.95) 03/03/2025   06:46:06  (  70.12,  74.92)    1.84                31
 03/03/2025   07:36:16   ( -70.01,-117.54) 03/03/2025   07:35:36  ( -70.01,-117.60)    2.39                40
 03/05/2025   22:11:52   ( -70.61,  22.66) 03/05/2025   22:13:03  ( -70.47,  23.66)   40.20                71
 03/05/2025   23:02:29   (  70.11,-169.25) 03/05/2025   23:02:35  (  70.09,-169.24)    2.30                 6
 03/05/2025   23:53:10   ( -69.99,  -1.74) 03/05/2025   23:52:05  ( -69.98,  -1.77)    1.14                65
 03/08/2025   14:28:39   ( -70.18, 139.11) 03/08/2025   14:29:37  ( -70.19, 139.12)    0.77                58
 03/08/2025   15:19:23   (  70.05, -53.39) 03/08/2025   15:19:04  (  70.08, -53.39)    2.47                19
 03/08/2025   16:09:53   ( -69.34, 114.98) 03/08/2025   16:08:44  ( -69.42, 113.34)   64.76                69
 03/11/2025   06:45:33   ( -70.13,-105.04) 03/11/2025   06:46:06  ( -70.13,-105.08)    1.59                33
 03/11/2025   07:36:17   (  70.01,  62.45) 03/11/2025   07:35:33  (  70.02,  62.41)    1.83                44
 03/13/2025   22:11:50   (  70.44,-157.08) 03/13/2025   22:13:01  (  70.35,-156.50)   23.80                71
 03/13/2025   23:02:27   ( -70.08,  10.79) 03/13/2025   23:02:34  ( -70.08,  10.74)    1.99                 7
 03/13/2025   23:53:11   (  69.97, 178.27) 03/13/2025   23:52:01  (  69.97, 178.22)    1.82                70
 03/16/2025   14:28:38   (  70.16, -40.87) 03/16/2025   14:29:30  (  70.15, -40.91)    1.67                52
 03/16/2025   15:19:20   ( -70.06, 126.61) 03/16/2025   15:19:00  ( -70.05, 126.58)    1.24                20