Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 17.  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)
 02/17/2025   22:11:55   ( -71.03,  22.02) 02/17/2025   22:13:02  ( -70.91,  24.32)   84.39                67
 02/17/2025   23:02:24   (  70.09,-169.17) 02/17/2025   23:02:42  (  70.10,-169.24)    2.75                18
 02/17/2025   23:53:06   ( -70.04,  -1.76) 02/17/2025   23:52:11  ( -70.04,  -1.69)    2.94                55
 02/20/2025   14:28:36   ( -70.19, 139.13) 02/20/2025   14:29:43  ( -70.21, 139.15)    1.90                67
 02/20/2025   15:19:21   (  70.10, -53.42) 02/20/2025   15:19:10  (  70.10, -53.35)    2.60                11
 02/20/2025   16:09:56   ( -69.67, 114.54) 02/20/2025   16:08:44  ( -69.77, 113.82)   30.17                72
 02/23/2025   06:45:31   ( -70.16,-105.05) 02/23/2025   06:46:10  ( -70.17,-105.02)    1.80                39
 02/23/2025   07:36:15   (  70.02,  62.47) 02/23/2025   07:35:38  (  70.00,  62.39)    3.23                37
 02/25/2025   22:11:52   (  70.57,-157.26) 02/25/2025   22:13:03  (  70.46,-156.34)   36.56                71
 02/25/2025   23:02:27   ( -70.13,  10.75) 02/25/2025   23:02:37  ( -70.14,  10.82)    2.87                10
 02/25/2025   23:53:11   (  70.00, 178.26) 02/25/2025   23:52:04  (  70.02, 178.31)    3.30                67
 02/28/2025   14:28:40   (  70.15, -40.83) 02/28/2025   14:29:34  (  70.16, -40.89)    2.53                54
 02/28/2025   15:19:22   ( -70.07, 126.61) 02/28/2025   15:19:04  ( -70.05, 126.60)    1.71                18