Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 22.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2025   05:42:46   ( -70.33, -89.56) 04/22/2025   05:43:58  ( -70.30, -89.41)    6.24                72
 04/22/2025   06:33:29   (  70.14,  78.04) 04/22/2025   06:33:26  (  70.14,  78.01)    1.07                 3
 04/22/2025   07:24:09   ( -69.96,-114.36) 04/22/2025   07:22:57  ( -69.97,-114.60)    9.14                72
 04/24/2025   21:59:43   ( -70.20,  26.41) 04/24/2025   22:00:25  ( -70.23,  26.37)    3.31                42
 04/24/2025   22:50:27   (  70.12,-166.17) 04/24/2025   22:49:51  (  70.12,-166.13)    1.60                36
 04/27/2025   13:26:05   (  70.59, -25.78) 04/27/2025   13:27:16  (  70.50, -24.97)   31.56                71
 04/27/2025   14:16:41   ( -70.19, 142.19) 04/27/2025   14:16:50  ( -70.16, 142.17)    2.37                 9
 04/27/2025   15:07:25   (  70.07, -50.32) 04/27/2025   15:06:17  (  70.06, -50.33)    1.31                68
 04/30/2025   05:42:57   (  70.23,  90.56) 04/30/2025   05:43:45  (  70.23,  90.53)    1.43                48
 04/30/2025   06:33:39   ( -70.13,-101.97) 04/30/2025   06:33:15  ( -70.12,-102.00)    1.95                24
 05/02/2025   21:09:24   ( -70.97,  37.81) 05/02/2025   21:10:32  ( -70.85,  39.71)   70.31                68
 05/02/2025   21:59:55   (  70.19,-153.61) 05/02/2025   22:00:09  (  70.19,-153.63)    0.53                14
 05/02/2025   22:50:37   ( -70.09,  13.87) 05/02/2025   22:49:39  ( -70.08,  13.85)    0.64                58
 05/05/2025   13:26:09   ( -70.26, 154.73) 05/05/2025   13:27:05  ( -70.29, 154.77)    3.13                56
 05/05/2025   14:16:53   (  70.16, -37.81) 05/05/2025   14:16:32  (  70.17, -37.76)    2.04                21