Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 16.  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)
 09/18/2025   12:37:13   ( -70.62, 166.87) 09/18/2025   12:38:25  ( -70.50, 167.47)   25.97                72
 09/18/2025   13:27:52   (  70.26, -25.24) 09/18/2025   13:27:55  (  70.24, -25.27)    2.31                 3
 09/18/2025   14:18:34   ( -70.15, 142.24) 09/18/2025   14:17:25  ( -70.12, 142.20)    3.27                69
 09/21/2025   04:54:08   ( -70.34, -76.93) 09/21/2025   04:54:56  ( -70.35, -76.86)    2.79                48
 09/21/2025   05:44:51   (  70.19,  90.61) 09/21/2025   05:44:24  (  70.19,  90.55)    2.16                27
 09/23/2025   20:20:36   (  71.03,-129.62) 09/23/2025   20:21:44  (  70.95,-127.70)   69.92                68
 09/23/2025   21:11:06   ( -70.28,  38.92) 09/23/2025   21:11:24  ( -70.29,  38.94)    1.42                18
 09/23/2025   22:01:50   (  70.19,-153.63) 09/23/2025   22:00:51  (  70.19,-153.57)    2.21                59
 09/26/2025   12:37:23   (  70.35, -12.75) 09/26/2025   12:38:23  (  70.32, -12.76)    3.50                60
 09/26/2025   13:28:05   ( -70.23, 154.77) 09/26/2025   13:27:53  ( -70.22, 154.72)    2.26                12
 09/26/2025   14:18:38   (  69.56, -36.91) 09/26/2025   14:17:29  (  69.61, -38.49)   61.22                69
 09/29/2025   04:54:22   (  70.31, 103.08) 09/29/2025   04:54:50  (  70.33, 103.15)    3.44                28
 09/29/2025   05:45:04   ( -70.18, -89.40) 09/29/2025   05:44:21  ( -70.18, -89.45)    2.07                43