Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 10 18.  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)
 10/20/2025   12:37:53   ( -70.33, 167.26) 10/20/2025   12:38:38  ( -70.34, 167.21)    2.26                45
 10/20/2025   13:28:37   (  70.23, -25.28) 10/20/2025   13:28:05  (  70.24, -25.30)    0.81                32
 10/23/2025   04:04:18   (  70.98, 114.65) 10/23/2025   04:05:27  (  70.89, 116.28)   60.08                69
 10/23/2025   04:54:49   ( -70.29, -76.91) 10/23/2025   04:55:06  ( -70.29, -76.98)    2.81                17
 10/23/2025   05:45:33   (  70.19,  90.55) 10/23/2025   05:44:33  (  70.18,  90.50)    2.45                60
 10/25/2025   20:21:04   (  70.37,-128.58) 10/25/2025   20:22:04  (  70.36,-128.63)    2.24                60
 10/25/2025   21:11:46   ( -70.26,  38.91) 10/25/2025   21:11:34  ( -70.25,  38.85)    2.26                12
 10/25/2025   22:02:19   (  69.58,-152.75) 10/25/2025   22:01:10  (  69.64,-154.36)   62.45                69
 10/28/2025   12:38:01   (  70.35, -12.78) 10/28/2025   12:38:31  (  70.34, -12.76)    1.26                30
 10/28/2025   13:28:43   ( -70.24, 154.71) 10/28/2025   13:28:01  ( -70.24, 154.72)    0.40                42
 10/31/2025   04:04:17   ( -70.59, -64.70) 10/31/2025   04:05:29  ( -70.52, -64.25)   18.61                72
 10/31/2025   04:54:57   (  70.29, 103.10) 10/31/2025   04:54:58  (  70.29, 103.06)    1.45                 1
 10/31/2025   05:45:39   ( -70.18, -89.41) 10/31/2025   05:44:28  ( -70.19, -89.45)    2.07                71