Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 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)
 01/28/2024   07:34:33   ( -70.28,-118.00) 01/28/2024   07:35:44  ( -70.17,-117.36)   26.88                71
 01/28/2024   08:25:12   (  69.89,  49.90) 01/28/2024   08:25:14  (  69.91,  49.91)    2.35                 2
 01/28/2024   09:15:54   ( -69.81,-142.67) 01/28/2024   09:14:44  ( -69.80,-142.61)    2.83                70
 01/30/2024   23:51:20   ( -70.00,  -1.80) 01/30/2024   23:52:18  ( -69.98,  -1.76)    2.77                58
 01/31/2024   00:42:04   (  69.88, 165.69) 01/31/2024   00:41:45  (  69.88, 165.75)    1.99                19
 01/31/2024   01:32:34   ( -69.17, -25.95) 01/31/2024   01:31:25  ( -69.22, -27.51)   62.00                69
 02/02/2024   16:08:10   ( -69.95, 114.07) 02/02/2024   16:08:47  ( -69.97, 114.10)    2.53                37
 02/02/2024   16:58:54   (  69.83, -78.45) 02/02/2024   16:58:15  (  69.81, -78.47)    2.91                39
 02/05/2024   07:34:30   (  70.58,  61.56) 02/05/2024   07:35:39  (  70.47,  63.07)   57.38                69
 02/05/2024   08:25:01   ( -69.91,-130.09) 02/05/2024   08:25:17  ( -69.92,-130.09)    0.80                16
 02/05/2024   09:15:45   (  69.80,  37.39) 02/05/2024   09:14:44  (  69.81,  37.41)    1.56                61
 02/07/2024   23:51:10   (  69.98, 178.29) 02/07/2024   23:52:16  (  69.99, 178.26)    2.02                66
 02/08/2024   00:41:52   ( -69.89, -14.26) 02/08/2024   00:41:46  ( -69.89, -14.25)    0.20                 6
 02/08/2024   01:32:29   (  69.41, 153.76) 02/08/2024   01:31:18  (  69.50, 152.86)   36.52                71