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   ( -70.21,  26.38) 04/24/2025   22:00:25  ( -70.21,  26.35)    1.05                42
 04/24/2025   22:50:27   (  70.09,-166.11) 04/24/2025   22:49:52  (  70.11,-166.15)    2.98                35
 04/27/2025   13:26:06   (  70.61, -25.80) 04/27/2025   13:27:17  (  70.49, -24.99)   32.79                71
 04/27/2025   14:16:41   ( -70.15, 142.24) 04/27/2025   14:16:51  ( -70.16, 142.16)    3.19                10
 04/27/2025   15:07:25   (  70.08, -50.34) 04/27/2025   15:06:17  (  70.05, -50.34)    3.46                68
 04/30/2025   05:42:57   (  70.24,  90.54) 04/30/2025   05:43:45  (  70.23,  90.53)    1.81                48
 04/30/2025   06:33:39   ( -70.15,-101.99) 04/30/2025   06:33:15  ( -70.12,-102.00)    3.40                24
 05/02/2025   21:09:24   ( -70.99,  37.78) 05/02/2025   21:10:32  ( -70.86,  39.72)   71.79                68
 05/02/2025   21:59:55   (  70.21,-153.64) 05/02/2025   22:00:09  (  70.20,-153.62)    0.90                14
 05/02/2025   22:50:37   ( -70.10,  13.84) 05/02/2025   22:49:39  ( -70.09,  13.86)    1.45                58
 05/05/2025   13:26:09   ( -70.28, 154.71) 05/05/2025   13:27:06  ( -70.25, 154.71)    2.98                57
 05/05/2025   14:16:52   (  70.13, -37.75) 05/05/2025   14:16:33  (  70.14, -37.81)    2.56                19