Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 1 24.  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)
 01/24/2025   22:11:53   (  71.07,-158.00) 01/24/2025   22:12:59  (  70.95,-155.58)   88.62                66
 01/24/2025   23:02:18   ( -70.11,  10.87) 01/24/2025   23:02:42  ( -70.13,  10.83)    2.14                24
 01/24/2025   23:53:03   (  70.04, 178.29) 01/24/2025   23:52:09  (  70.02, 178.32)    2.17                54
 01/27/2025   14:28:26   (  70.33, -40.99) 01/27/2025   14:29:38  (  70.27, -40.71)   12.22                72
 01/27/2025   15:19:05   ( -70.11, 126.68) 01/27/2025   15:19:09  ( -70.11, 126.69)    0.22                 4
 01/27/2025   16:09:49   (  69.98, -65.82) 01/27/2025   16:08:36  (  70.00, -65.82)    2.33                73
 01/30/2025   06:45:10   (  70.18,  75.05) 01/30/2025   06:46:05  (  70.19,  75.07)    1.84                55
 01/30/2025   07:35:51   ( -70.06,-117.45) 01/30/2025   07:35:35  ( -70.09,-117.45)    2.76                16
 01/30/2025   08:26:22   (  69.24,  51.06) 01/30/2025   08:25:14  (  69.31,  49.13)   75.99                68
 02/01/2025   23:01:55   (  70.15,-169.11) 02/01/2025   23:02:29  (  70.17,-169.06)    2.61                34
 02/01/2025   23:52:36   ( -70.03,  -1.60) 02/01/2025   23:52:00  ( -70.01,  -1.66)    3.43                36
 02/04/2025   14:28:08   ( -70.84, 138.29) 02/04/2025   14:29:17  ( -70.75, 140.06)   65.25                69
 02/04/2025   15:18:40   (  70.09, -53.20) 02/04/2025   15:18:54  (  70.09, -53.27)    2.69                14
 02/04/2025   16:09:22   ( -70.02, 114.22) 02/04/2025   16:08:23  ( -70.04, 114.29)    3.42                59