Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 10 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)
 10/20/2025   12:37:53   ( -70.33, 167.25) 10/20/2025   12:38:38  ( -70.34, 167.20)    1.79                45
 10/20/2025   13:28:37   (  70.23, -25.29) 10/20/2025   13:28:05  (  70.24, -25.30)    0.59                32
 10/23/2025   04:04:18   (  70.98, 114.64) 10/23/2025   04:05:27  (  70.87, 116.26)   60.07                69
 10/23/2025   04:54:49   ( -70.30, -76.92) 10/23/2025   04:55:05  ( -70.33, -76.93)    3.15                16
 10/23/2025   05:45:33   (  70.20,  90.54) 10/23/2025   05:44:32  (  70.22,  90.56)    2.45                61
 10/25/2025   20:21:04   (  70.38,-128.60) 10/25/2025   20:22:03  (  70.38,-128.59)    0.34                59
 10/25/2025   21:11:46   ( -70.27,  38.89) 10/25/2025   21:11:33  ( -70.27,  38.89)    0.17                13
 10/25/2025   22:02:19   (  69.59,-152.77) 10/25/2025   22:01:10  (  69.61,-154.40)   63.16                69
 10/28/2025   12:38:00   (  70.32, -12.72) 10/28/2025   12:38:30  (  70.34, -12.76)    3.06                30
 10/28/2025   13:28:43   ( -70.26, 154.68) 10/28/2025   13:28:00  ( -70.23, 154.72)    3.12                43
 10/31/2025   04:04:16   ( -70.57, -64.66) 10/31/2025   04:05:28  ( -70.48, -64.30)   16.44                72
 10/31/2025   04:54:57   (  70.31, 103.06) 10/31/2025   04:54:56  (  70.31, 103.10)    1.52                 1
 10/31/2025   05:45:39   ( -70.20, -89.45) 10/31/2025   05:44:26  ( -70.21, -89.42)    1.51                73
 11/02/2025   20:21:08   ( -70.37,  51.44) 11/02/2025   20:21:54  ( -70.36,  51.43)    0.56                46
 11/02/2025   21:11:52   (  70.27,-141.10) 11/02/2025   21:11:21  (  70.25,-141.10)    2.53                31