Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 18.  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)
 04/19/2025   14:16:31   (  70.21, -37.82) 04/19/2025   14:16:59  (  70.20, -37.79)    1.26                28
 04/19/2025   15:07:12   ( -70.08, 129.70) 04/19/2025   15:06:29  ( -70.09, 129.68)    1.26                43
 04/22/2025   05:42:46   ( -70.36, -89.61) 04/22/2025   05:43:57  ( -70.33, -89.36)    9.50                71
 04/22/2025   06:33:29   (  70.18,  77.98) 04/22/2025   06:33:25  (  70.17,  78.05)    2.60                 4
 04/22/2025   07:24:09   ( -69.99,-114.41) 04/22/2025   07:22:56  ( -70.00,-114.55)    5.74                73
 04/24/2025   21:59:43   ( -70.23,  26.36) 04/24/2025   22:00:25  ( -70.21,  26.35)    1.86                42
 04/24/2025   22:50:27   (  70.11,-166.15) 04/24/2025   22:49:52  (  70.10,-166.16)    0.86                35
 04/27/2025   13:26:06   (  70.63, -25.83) 04/27/2025   13:27:17  (  70.49, -24.99)   34.85                71
 04/27/2025   14:16:41   ( -70.16, 142.22) 04/27/2025   14:16:51  ( -70.16, 142.17)    1.96                10
 04/27/2025   15:07:25   (  70.05, -50.29) 04/27/2025   15:06:18  (  70.05, -50.35)    1.97                67
 04/30/2025   05:42:58   (  70.26,  90.51) 04/30/2025   05:43:46  (  70.24,  90.53)    3.31                48
 04/30/2025   06:33:39   ( -70.11,-101.93) 04/30/2025   06:33:16  ( -70.13,-101.98)    3.08                23