Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 11 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)
 11/28/2025   22:37:01   (  70.14,-162.97) 11/28/2025   22:38:04  (  70.14,-162.97)    0.41                63
 11/28/2025   23:27:43   ( -70.04,   4.51) 11/28/2025   23:27:34  ( -70.03,   4.51)    0.79                 9
 11/29/2025   00:18:18   (  69.45, 172.69) 11/29/2025   00:17:08  (  69.54, 171.47)   48.26                70
 12/01/2025   14:53:59   (  70.08, -47.13) 12/01/2025   14:54:32  (  70.07, -47.18)    2.39                33
 12/01/2025   15:44:41   ( -69.97, 120.36) 12/01/2025   15:44:02  ( -69.96, 120.30)    2.67                39
 12/04/2025   06:20:19   ( -70.39, -99.16) 12/04/2025   06:21:30  ( -70.31, -98.61)   23.00                71
 12/04/2025   07:10:58   (  70.04,  68.70) 12/04/2025   07:11:00  (  70.03,  68.65)    2.13                 2
 12/04/2025   08:01:40   ( -69.92,-123.80) 12/04/2025   08:00:30  ( -69.92,-123.87)    2.60                70
 12/06/2025   22:37:14   ( -70.14,  16.99) 12/06/2025   22:38:00  ( -70.13,  17.03)    1.59                46
 12/06/2025   23:27:57   (  69.99,-175.48) 12/06/2025   23:27:27  (  70.02,-175.48)    2.90                30
 12/09/2025   14:03:40   (  70.70, -35.46) 12/09/2025   14:04:49  (  70.64, -33.96)   55.61                69
 12/09/2025   14:54:13   ( -70.10, 132.81) 12/09/2025   14:54:27  ( -70.10, 132.88)    2.57                14
 12/09/2025   15:44:56   (  69.96, -59.67) 12/09/2025   15:43:54  (  69.98, -59.64)    2.75                62