Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2023 2 24.  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)
 02/24/2023   22:36:33   (  70.53,-163.50) 02/24/2023   22:37:44  (  70.43,-162.58)   36.02                71
 02/24/2023   23:27:08   ( -70.07,   4.53) 02/24/2023   23:27:18  ( -70.09,   4.56)    1.96                10
 02/25/2023   00:17:52   (  69.95, 172.02) 02/25/2023   00:16:46  (  69.93, 171.99)    2.74                66
 02/27/2023   14:53:21   (  70.15, -47.15) 02/27/2023   14:54:13  (  70.16, -47.07)    2.98                52
 02/27/2023   15:44:02   ( -70.01, 120.39) 02/27/2023   15:43:43  ( -70.04, 120.39)    3.59                19
 02/27/2023   16:34:31   (  69.10, -70.98) 02/27/2023   16:33:24  (  69.16, -73.15)   86.31                67
 03/02/2023   07:10:15   (  70.11,  68.69) 03/02/2023   07:10:38  (  70.08,  68.71)    2.91                23
 03/02/2023   08:00:56   ( -69.96,-123.77) 03/02/2023   08:00:08  ( -69.96,-123.82)    2.10                48
 03/04/2023   22:36:25   ( -70.18,  17.04) 03/04/2023   22:37:34  ( -70.19,  17.12)    3.12                69
 03/04/2023   23:27:08   (  70.02,-175.41) 03/04/2023   23:27:02  (  70.02,-175.47)    2.40                 6
 03/05/2023   00:17:47   ( -69.76,  -7.71) 03/05/2023   00:16:34  ( -69.80,  -8.15)   17.50                73
 03/07/2023   14:53:17   ( -70.10, 132.93) 03/07/2023   14:53:57  ( -70.10, 132.90)    1.29                40
 03/07/2023   15:44:01   (  69.99, -59.60) 03/07/2023   15:43:24  (  69.99, -59.61)    0.74                37