Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 1 26.  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)
 01/27/2025   14:28:27   (  70.37, -41.05) 01/27/2025   14:29:38  (  70.29, -40.68)   16.08                71
 01/27/2025   15:19:05   ( -70.09, 126.70) 01/27/2025   15:19:09  ( -70.12, 126.71)    3.26                 4
 01/27/2025   16:09:49   (  69.96, -65.80) 01/27/2025   16:08:37  (  69.96, -65.88)    3.06                72
 01/30/2025   06:45:09   (  70.16,  75.08) 01/30/2025   06:46:05  (  70.17,  75.03)    2.11                56
 01/30/2025   07:35:50   ( -70.04,-117.42) 01/30/2025   07:35:35  ( -70.06,-117.49)    3.24                15
 01/30/2025   08:26:22   (  69.27,  51.01) 01/30/2025   08:25:14  (  69.28,  49.10)   75.23                68
 02/01/2025   23:01:56   (  70.17,-169.14) 02/01/2025   23:02:30  (  70.16,-169.08)    2.63                34
 02/01/2025   23:52:37   ( -70.06,  -1.64) 02/01/2025   23:52:00  ( -70.05,  -1.60)    1.46                37
 02/04/2025   14:28:10   ( -70.90, 138.18) 02/04/2025   14:29:18  ( -70.76, 140.06)   70.36                68
 02/04/2025   15:18:41   (  70.10, -53.22) 02/04/2025   15:18:55  (  70.10, -53.26)    1.87                14
 02/04/2025   16:09:22   ( -69.98, 114.28) 02/04/2025   16:08:25  ( -70.00, 114.22)    3.19                57
 02/07/2025   06:44:43   ( -70.21,-104.90) 02/07/2025   06:45:51  ( -70.22,-104.83)    2.84                68
 02/07/2025   07:35:27   (  70.09,  62.60) 02/07/2025   07:35:18  (  70.11,  62.64)    2.83                 9
 02/07/2025   08:26:04   ( -69.75,-129.58) 02/07/2025   08:24:51  ( -69.84,-130.10)   22.02                73