Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 3 8.  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)
 03/08/2025   14:28:39   ( -70.18, 139.12) 03/08/2025   14:29:37  ( -70.19, 139.12)    1.36                58
 03/08/2025   15:19:24   (  70.10, -53.46) 03/08/2025   15:19:04  (  70.09, -53.38)    3.30                20
 03/08/2025   16:09:53   ( -69.34, 114.98) 03/08/2025   16:08:44  ( -69.42, 113.34)   65.02                69
 03/11/2025   06:45:34   ( -70.17,-105.11) 03/11/2025   06:46:06  ( -70.15,-105.06)    3.25                32
 03/11/2025   07:36:18   (  70.05,  62.39) 03/11/2025   07:35:33  (  70.04,  62.44)    2.08                45
 03/13/2025   22:11:50   (  70.48,-157.14) 03/13/2025   22:13:01  (  70.35,-156.52)   27.28                71
 03/13/2025   23:02:27   ( -70.12,  10.73) 03/13/2025   23:02:33  ( -70.13,  10.80)    2.51                 6
 03/13/2025   23:53:11   (  70.01, 178.22) 03/13/2025   23:52:00  (  70.02, 178.29)    2.92                71
 03/16/2025   14:28:39   (  70.19, -40.91) 03/16/2025   14:29:31  (  70.18, -40.88)    1.39                52
 03/16/2025   15:19:21   ( -70.09, 126.56) 03/16/2025   15:19:01  ( -70.08, 126.61)    2.40                20
 03/16/2025   16:09:49   (  69.13, -64.74) 03/16/2025   16:08:42  (  69.19, -66.95)   87.92                67
 03/19/2025   06:45:32   (  70.12,  74.97) 03/19/2025   06:45:58  (  70.15,  74.96)    3.53                26
 03/19/2025   07:36:14   ( -70.01,-117.55) 03/19/2025   07:35:28  ( -70.04,-117.55)    3.55                46
 03/21/2025   22:11:45   ( -70.36,  23.06) 03/21/2025   22:12:56  ( -70.31,  23.44)   15.30                71
 03/21/2025   23:02:26   (  70.11,-169.25) 03/21/2025   23:02:25  (  70.08,-169.24)    3.24                 1
 03/21/2025   23:53:08   ( -70.00,  -1.76) 03/21/2025   23:51:55  ( -69.98,  -1.76)    2.25                73