Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 10.  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)
 06/12/2024   06:44:39   ( -70.13,-105.10) 06/12/2024   06:45:20  ( -70.14,-105.11)    0.34                41
 06/12/2024   07:35:24   (  70.05,  62.34) 06/12/2024   07:34:47  (  70.03,  62.39)    2.90                37
 06/14/2024   22:11:01   (  70.53,-157.28) 06/14/2024   22:12:12  (  70.40,-156.46)   33.75                71
 06/14/2024   23:01:36   ( -70.09,  10.74) 06/14/2024   23:01:46  ( -70.07,  10.69)    2.85                10
 06/14/2024   23:52:20   (  69.96, 178.25) 06/14/2024   23:51:13  (  69.96, 178.18)    2.55                67
 06/17/2024   14:27:53   (  70.19, -40.98) 06/17/2024   14:28:41  (  70.18, -40.90)    3.07                48
 06/17/2024   15:18:34   ( -70.06, 126.55) 06/17/2024   15:18:11  ( -70.07, 126.57)    1.59                23
 06/20/2024   05:54:20   ( -70.98, -93.79) 06/20/2024   05:55:27  ( -70.90, -91.59)   80.62                67
 06/20/2024   06:44:50   (  70.12,  74.89) 06/20/2024   06:45:06  (  70.13,  74.92)    1.62                16
 06/20/2024   07:35:32   ( -70.04,-117.66) 06/20/2024   07:34:36  ( -70.02,-117.60)    2.83                56
 06/22/2024   22:11:03   ( -70.19,  23.25) 06/22/2024   22:12:03  ( -70.21,  23.28)    2.33                60
 06/22/2024   23:01:47   (  70.07,-169.26) 06/22/2024   23:01:30  (  70.09,-169.24)    2.92                17
 06/22/2024   23:52:19   ( -69.45,  -1.02) 06/22/2024   23:51:09  ( -69.49,  -2.44)   55.30                70