Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 1.  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)
 02/01/2025   23:02:10   (  70.15,-169.17) 02/01/2025   23:02:36  (  70.17,-169.10)    3.46                26
 02/01/2025   23:52:51   ( -70.04,  -1.68) 02/01/2025   23:52:06  ( -70.06,  -1.62)    3.25                45
 02/04/2025   14:28:26   ( -70.40, 138.90) 02/04/2025   14:29:38  ( -70.30, 139.32)   19.04                72
 02/04/2025   15:19:07   (  70.09, -53.32) 02/04/2025   15:19:07  (  70.08, -53.34)    1.17                 0
 02/04/2025   16:09:48   ( -69.98, 114.17) 02/04/2025   16:08:37  ( -69.98, 114.14)    1.28                71
 02/07/2025   06:45:20   ( -70.19,-105.03) 02/07/2025   06:46:09  ( -70.17,-104.98)    2.98                49
 02/07/2025   07:36:04   (  70.05,  62.50) 02/07/2025   07:35:36  (  70.06,  62.50)    1.50                28
 02/07/2025   08:26:28   ( -69.03,-128.71) 02/07/2025   08:25:22  ( -69.08,-131.19)   98.89                66
 02/09/2025   22:11:48   (  70.97,-157.84) 02/09/2025   22:12:55  (  70.87,-155.70)   78.80                67
 02/09/2025   23:02:15   ( -70.12,  10.85) 02/09/2025   23:02:37  ( -70.11,  10.81)    1.55                22
 02/09/2025   23:53:00   (  70.03, 178.29) 02/09/2025   23:52:04  (  69.99, 178.29)    3.52                56
 02/12/2025   14:28:30   (  70.18, -40.81) 02/12/2025   14:29:35  (  70.16, -40.87)    3.36                65
 02/12/2025   15:19:11   ( -70.06, 126.69) 02/12/2025   15:19:05  ( -70.06, 126.62)    2.72                 6
 02/12/2025   16:09:48   (  69.55, -65.24) 02/12/2025   16:08:38  (  69.61, -66.36)   43.84                70