Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 4 2.  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)
 04/04/2025   06:45:16   (  70.13,  74.99) 04/04/2025   06:45:47  (  70.11,  74.93)    3.23                31
 04/04/2025   07:35:59   ( -70.07,-117.60) 04/04/2025   07:35:16  ( -70.05,-117.53)    3.65                43
 04/06/2025   22:11:30   ( -70.55,  22.81) 04/06/2025   22:12:41  ( -70.45,  23.66)   33.35                71
 04/06/2025   23:02:07   (  70.10,-169.18) 04/06/2025   23:02:12  (  70.13,-169.17)    3.03                 5
 04/06/2025   23:52:50   ( -70.03,  -1.76) 04/06/2025   23:51:42  ( -70.01,  -1.69)    3.34                68
 04/09/2025   14:28:15   ( -70.21, 139.13) 04/09/2025   14:29:10  ( -70.21, 139.20)    2.37                55
 04/09/2025   15:18:58   (  70.08, -53.36) 04/09/2025   15:18:37  (  70.10, -53.32)    2.59                21
 04/09/2025   16:09:27   ( -69.26, 115.15) 04/09/2025   16:08:19  ( -69.32, 113.26)   74.48                68
 04/12/2025   06:45:04   ( -70.14,-104.98) 04/12/2025   06:45:34  ( -70.13,-105.01)    1.28                30
 04/12/2025   07:35:47   (  70.01,  62.53) 04/12/2025   07:35:01  (  70.02,  62.47)    2.24                46
 04/14/2025   22:11:15   (  70.37,-156.87) 04/14/2025   22:12:26  (  70.29,-156.52)   15.72                71
 04/14/2025   23:01:55   ( -70.13,  10.82) 04/14/2025   23:01:57  ( -70.13,  10.88)    2.58                 2
 04/14/2025   23:52:37   (  69.96, 178.39) 04/14/2025   23:51:25  (  69.96, 178.29)    4.13                72