Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 22.  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)
 06/24/2024   06:19:31   ( -70.12, -98.77) 06/24/2024   06:20:34  ( -70.14, -98.79)    2.64                63
 06/24/2024   07:10:16   (  70.04,  68.66) 06/24/2024   07:10:01  (  70.04,  68.71)    1.89                15
 06/24/2024   08:00:49   ( -69.49,-123.20) 06/24/2024   07:59:38  ( -69.55,-124.34)   44.94                71
 06/26/2024   22:36:29   ( -70.10,  17.03) 06/26/2024   22:37:05  ( -70.11,  17.05)    1.45                36
 06/26/2024   23:27:13   (  69.97,-175.47) 06/26/2024   23:26:33  (  69.95,-175.53)    3.34                40
 06/29/2024   14:02:51   (  70.49, -35.14) 06/29/2024   14:04:02  (  70.38, -34.32)   33.09                71
 06/29/2024   14:53:26   ( -70.04, 132.89) 06/29/2024   14:53:36  ( -70.05, 132.85)    2.57                10
 06/29/2024   15:44:11   (  69.97, -59.69) 06/29/2024   15:43:03  (  69.95, -59.66)    2.54                68
 07/02/2024   06:19:42   (  70.12,  81.21) 07/02/2024   06:20:36  (  70.13,  81.20)    0.59                54
 07/02/2024   07:10:24   ( -70.03,-111.34) 07/02/2024   07:10:06  ( -70.02,-111.31)    1.24                18
 07/02/2024   08:00:53   (  69.12,  57.31) 07/02/2024   07:59:46  (  69.19,  55.20)   83.79                67
 07/04/2024   22:36:38   (  70.08,-162.95) 07/04/2024   22:37:05  (  70.07,-163.00)    1.95                27
 07/04/2024   23:27:20   ( -69.98,   4.51) 07/04/2024   23:26:35  ( -69.96,   4.49)    1.99                45