Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 23.  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)
 04/24/2025   21:59:43   ( -70.22,  26.37) 04/24/2025   22:00:25  ( -70.20,  26.34)    2.16                42
 04/24/2025   22:50:27   (  70.09,-166.13) 04/24/2025   22:49:52  (  70.10,-166.16)    1.48                35
 04/27/2025   13:26:06   (  70.62, -25.81) 04/27/2025   13:27:17  (  70.48, -25.00)   33.69                71
 04/27/2025   14:16:42   ( -70.21, 142.15) 04/27/2025   14:16:50  ( -70.20, 142.23)    3.03                 8
 04/27/2025   15:07:26   (  70.09, -50.36) 04/27/2025   15:06:17  (  70.09, -50.28)    3.00                69
 04/30/2025   05:42:57   (  70.25,  90.53) 04/30/2025   05:43:44  (  70.27,  90.59)    3.37                47
 04/30/2025   06:33:39   ( -70.15,-102.00) 04/30/2025   06:33:14  ( -70.16,-101.94)    2.66                25
 05/02/2025   21:09:24   ( -71.00,  37.77) 05/02/2025   21:10:32  ( -70.85,  39.70)   72.23                68
 05/02/2025   21:59:55   (  70.22,-153.65) 05/02/2025   22:00:09  (  70.19,-153.63)    2.74                14
 05/02/2025   22:50:37   ( -70.11,  13.83) 05/02/2025   22:49:39  ( -70.08,  13.85)    3.28                58
 05/05/2025   13:26:08   ( -70.23, 154.77) 05/05/2025   13:27:06  ( -70.24, 154.70)    2.97                58
 05/05/2025   14:16:52   (  70.14, -37.76) 05/05/2025   14:16:33  (  70.13, -37.82)    2.45                19