Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2024 12 19.  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)
 12/20/2024   14:16:05   ( -70.67, 141.38) 12/20/2024   14:17:14  ( -70.56, 142.82)   54.19                69
 12/20/2024   15:06:39   (  70.02, -50.29) 12/20/2024   15:06:49  (  70.02, -50.32)    1.21                10
 12/20/2024   15:57:21   ( -69.93, 117.16) 12/20/2024   15:56:19  ( -69.91, 117.15)    2.26                62
 12/23/2024   06:32:53   ( -70.10,-101.97) 12/23/2024   06:33:50  ( -70.09,-101.99)    1.23                57
 12/23/2024   07:23:37   (  69.99,  65.52) 12/23/2024   07:23:17  (  69.99,  65.51)    0.30                20
 12/23/2024   08:14:07   ( -69.26,-126.10) 12/23/2024   08:12:58  ( -69.27,-127.83)   68.29                69
 12/25/2024   22:49:52   ( -70.07,  13.83) 12/25/2024   22:50:18  ( -70.07,  13.87)    1.47                26
 12/25/2024   23:40:36   (  69.96,-178.69) 12/25/2024   23:39:45  (  69.96,-178.64)    2.00                51
 12/28/2024   14:16:08   (  70.11, -37.79) 12/28/2024   14:17:16  (  70.11, -37.82)    1.28                68
 12/28/2024   15:06:50   ( -70.01, 129.69) 12/28/2024   15:06:46  ( -70.00, 129.66)    1.17                 4
 12/28/2024   15:57:29   (  69.64, -62.45) 12/28/2024   15:56:17  (  69.67, -63.15)   27.63                72
 12/31/2024   06:33:06   (  70.06,  78.05) 12/31/2024   06:33:43  (  70.05,  77.99)    2.56                37
 12/31/2024   07:23:48   ( -69.95,-114.46) 12/31/2024   07:23:13  ( -69.95,-114.52)    2.30                35