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)
 10/23/2025   04:04:18   (  70.97, 114.66) 10/23/2025   04:05:27  (  70.88, 116.27)   59.33                69
 10/23/2025   04:54:50   ( -70.34, -76.99) 10/23/2025   04:55:05  ( -70.33, -76.92)    2.62                15
 10/23/2025   05:45:33   (  70.19,  90.56) 10/23/2025   05:44:33  (  70.17,  90.49)    2.99                60
 10/25/2025   20:21:04   (  70.37,-128.58) 10/25/2025   20:22:03  (  70.38,-128.59)    2.02                59
 10/25/2025   21:11:46   ( -70.26,  38.91) 10/25/2025   21:11:33  ( -70.28,  38.89)    2.11                13
 10/25/2025   22:02:19   (  69.58,-152.75) 10/25/2025   22:01:10  (  69.61,-154.39)   63.96                69
 10/28/2025   12:38:01   (  70.35, -12.77) 10/28/2025   12:38:30  (  70.34, -12.76)    1.34                29
 10/28/2025   13:28:43   ( -70.24, 154.71) 10/28/2025   13:28:00  ( -70.23, 154.72)    1.07                43
 10/31/2025   04:04:15   ( -70.54, -64.62) 10/31/2025   04:05:27  ( -70.47, -64.31)   14.08                72
 10/31/2025   04:54:56   (  70.29, 103.10) 10/31/2025   04:54:55  (  70.30, 103.09)    1.76                 1
 10/31/2025   05:45:38   ( -70.18, -89.42) 10/31/2025   05:44:25  ( -70.20, -89.43)    2.11                73
 11/02/2025   20:21:08   ( -70.34,  51.48) 11/02/2025   20:21:54  ( -70.35,  51.40)    3.11                46
 11/02/2025   21:11:52   (  70.24,-141.05) 11/02/2025   21:11:21  (  70.23,-141.12)    2.93                31