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   ( -70.37, 167.20) 10/20/2025   12:38:37  ( -70.36, 167.24)    1.69                44
 10/20/2025   13:28:37   (  70.27, -25.34) 10/20/2025   13:28:04  (  70.26, -25.27)    3.02                33
 10/23/2025   04:04:19   (  71.02, 114.59) 10/23/2025   04:05:27  (  70.90, 116.31)   63.77                68
 10/23/2025   04:54:50   ( -70.33, -76.97) 10/23/2025   04:55:06  ( -70.30, -76.96)    3.00                16
 10/23/2025   05:45:33   (  70.18,  90.57) 10/23/2025   05:44:33  (  70.20,  90.53)    2.36                60
 10/25/2025   20:21:04   (  70.36,-128.57) 10/25/2025   20:22:04  (  70.37,-128.60)    1.83                60
 10/25/2025   21:11:46   ( -70.25,  38.92) 10/25/2025   21:11:34  ( -70.27,  38.88)    2.51                12
 10/25/2025   22:02:19   (  69.57,-152.74) 10/25/2025   22:01:10  (  69.66,-154.33)   62.54                69
 10/28/2025   12:38:01   (  70.35, -12.77) 10/28/2025   12:38:31  (  70.35, -12.74)    1.39                30
 10/28/2025   13:28:43   ( -70.24, 154.72) 10/28/2025   13:28:01  ( -70.25, 154.74)    1.79                42
 10/31/2025   04:04:16   ( -70.59, -64.70) 10/31/2025   04:05:28  ( -70.53, -64.24)   18.77                72
 10/31/2025   04:54:56   (  70.29, 103.10) 10/31/2025   04:54:57  (  70.30, 103.08)    1.65                 1
 10/31/2025   05:45:38   ( -70.18, -89.41) 10/31/2025   05:44:27  ( -70.20, -89.44)    2.43                71