Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 1 28.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2025   22:36:47   (  70.19,-162.87) 01/28/2025   22:37:49  (  70.19,-162.92)    1.82                62
 01/28/2025   23:27:28   ( -70.08,   4.63) 01/28/2025   23:27:19  ( -70.08,   4.55)    2.68                 9
 01/29/2025   00:18:04   (  69.52, 172.76) 01/29/2025   00:16:54  (  69.53, 171.45)   50.97                70
 01/31/2025   14:53:33   (  70.20, -47.08) 01/31/2025   14:54:18  (  70.21, -47.02)    2.76                45
 01/31/2025   15:44:14   ( -70.08, 120.41) 01/31/2025   15:43:48  ( -70.10, 120.46)    2.62                26
 02/03/2025   07:10:19   (  70.17,  68.76) 02/03/2025   07:10:48  (  70.19,  68.82)    2.76                29
 02/03/2025   08:01:00   ( -70.05,-123.74) 02/03/2025   08:00:18  ( -70.08,-123.69)    3.30                42
 02/05/2025   22:36:33   ( -70.91,  16.08) 02/05/2025   22:37:41  ( -70.77,  17.93)   69.18                68
 02/05/2025   23:27:04   (  70.10,-175.33) 02/05/2025   23:27:18  (  70.11,-175.40)    3.17                14
 02/06/2025   00:17:46   ( -70.04,  -7.91) 02/06/2025   00:16:48  ( -70.01,  -7.91)    2.74                58
 02/08/2025   14:53:07   ( -70.28, 132.90) 02/08/2025   14:54:18  ( -70.28, 133.07)    6.46                71
 02/08/2025   15:43:50   (  70.10, -59.52) 02/08/2025   15:43:46  (  70.11, -59.53)    1.11                 4
 02/08/2025   16:34:30   ( -69.93, 108.06) 02/08/2025   16:33:17  ( -69.95, 107.89)    7.34                73