Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 10 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)
 10/17/2025   20:20:57   ( -70.41,  51.35) 10/17/2025   20:22:09  ( -70.38,  51.38)    4.25                72
 10/17/2025   21:11:40   (  70.27,-141.11) 10/17/2025   21:11:36  (  70.27,-141.13)    1.16                 4
 10/17/2025   22:02:20   ( -70.05,  26.55) 10/17/2025   22:01:07  ( -70.11,  26.27)   12.55                73
 10/20/2025   12:37:53   ( -70.36, 167.20) 10/20/2025   12:38:37  ( -70.35, 167.22)    1.72                44
 10/20/2025   13:28:36   (  70.22, -25.26) 10/20/2025   13:28:04  (  70.24, -25.29)    3.11                32
 10/23/2025   04:04:18   (  70.96, 114.68) 10/23/2025   04:05:27  (  70.89, 116.28)   58.74                69
 10/23/2025   04:54:50   ( -70.32, -76.96) 10/23/2025   04:55:05  ( -70.34, -76.90)    3.11                15
 10/23/2025   05:45:33   (  70.18,  90.58) 10/23/2025   05:44:33  (  70.18,  90.50)    2.87                60
 10/25/2025   20:21:05   (  70.40,-128.63) 10/25/2025   20:22:03  (  70.40,-128.56)    2.84                58
 10/25/2025   21:11:47   ( -70.29,  38.86) 10/25/2025   21:11:33  ( -70.30,  38.92)    2.50                14
 10/25/2025   22:02:19   (  69.56,-152.72) 10/25/2025   22:01:10  (  69.63,-154.37)   64.22                69
 10/28/2025   12:38:01   (  70.33, -12.74) 10/28/2025   12:38:31  (  70.32, -12.79)    1.85                30
 10/28/2025   13:28:43   ( -70.21, 154.75) 10/28/2025   13:28:01  ( -70.22, 154.70)    2.11                42