Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 20.  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   ( -70.34, -89.57) 04/22/2025   05:43:58  ( -70.29, -89.43)    7.77                72
 04/22/2025   06:33:29   (  70.16,  78.02) 04/22/2025   06:33:26  (  70.13,  77.99)    2.95                 3
 04/22/2025   07:24:09   ( -69.97,-114.38) 04/22/2025   07:22:56  ( -70.02,-114.54)    7.92                73
 04/24/2025   21:59:43   ( -70.21,  26.39) 04/24/2025   22:00:25  ( -70.22,  26.36)    1.55                42
 04/24/2025   22:50:27   (  70.08,-166.11) 04/24/2025   22:49:52  (  70.11,-166.15)    3.15                35
 04/27/2025   13:26:06   (  70.60, -25.79) 04/27/2025   13:27:17  (  70.49, -24.99)   32.50                71
 04/27/2025   14:16:42   ( -70.19, 142.17) 04/27/2025   14:16:50  ( -70.21, 142.25)    3.55                 8
 04/27/2025   15:07:26   (  70.08, -50.34) 04/27/2025   15:06:18  (  70.05, -50.34)    3.17                68
 04/30/2025   05:42:57   (  70.24,  90.55) 04/30/2025   05:43:45  (  70.23,  90.52)    1.70                48
 04/30/2025   06:33:39   ( -70.14,-101.98) 04/30/2025   06:33:15  ( -70.12,-102.00)    2.42                24
 05/02/2025   21:09:24   ( -70.98,  37.80) 05/02/2025   21:10:32  ( -70.86,  39.71)   70.91                68
 05/02/2025   21:59:55   (  70.20,-153.63) 05/02/2025   22:00:09  (  70.20,-153.62)    0.33                14
 05/02/2025   22:50:37   ( -70.09,  13.86) 05/02/2025   22:49:39  ( -70.09,  13.86)    0.30                58