Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 13.  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)
 09/15/2025   21:10:53   (  70.31,-141.08) 09/15/2025   21:11:26  (  70.28,-141.09)    2.87                33
 09/15/2025   22:01:35   ( -70.20,  26.40) 09/15/2025   22:00:55  ( -70.22,  26.45)    2.94                40
 09/18/2025   12:37:14   ( -70.65, 166.82) 09/18/2025   12:38:25  ( -70.53, 167.51)   28.96                71
 09/18/2025   13:27:52   (  70.24, -25.21) 09/18/2025   13:27:55  (  70.26, -25.23)    3.09                 3
 09/18/2025   14:18:35   ( -70.18, 142.20) 09/18/2025   14:17:25  ( -70.15, 142.24)    3.25                70
 09/21/2025   04:54:07   ( -70.32, -76.89) 09/21/2025   04:54:56  ( -70.34, -76.89)    2.18                49
 09/21/2025   05:44:51   (  70.22,  90.56) 09/21/2025   05:44:23  (  70.23,  90.61)    1.75                28
 09/23/2025   20:20:37   (  71.06,-129.66) 09/23/2025   20:21:45  (  70.95,-127.71)   71.60                68
 09/23/2025   21:11:07   ( -70.30,  38.89) 09/23/2025   21:11:25  ( -70.29,  38.94)    2.30                18
 09/23/2025   22:01:50   (  70.16,-153.58) 09/23/2025   22:00:52  (  70.18,-153.58)    2.15                58
 09/26/2025   12:37:23   (  70.32, -12.69) 09/26/2025   12:38:24  (  70.34, -12.74)    2.63                61
 09/26/2025   13:28:06   ( -70.24, 154.74) 09/26/2025   13:27:54  ( -70.23, 154.74)    1.35                12
 09/26/2025   14:18:39   (  69.58, -36.94) 09/26/2025   14:17:30  (  69.62, -38.47)   59.42                69