Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 21.  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)
 06/22/2023   21:09:16   (  70.62,-141.26) 06/22/2023   21:10:27  (  70.54,-140.67)   23.02                71
 06/22/2023   21:59:53   ( -70.27,  26.61) 06/22/2023   22:00:00  ( -70.27,  26.55)    2.27                 7
 06/22/2023   22:50:37   (  70.15,-165.90) 06/22/2023   22:49:27  (  70.16,-165.95)    2.33                70
 06/25/2023   13:26:03   (  70.37, -25.09) 06/25/2023   13:26:59  (  70.35, -25.07)    2.02                56
 06/25/2023   14:16:44   ( -70.23, 142.45) 06/25/2023   14:16:29  ( -70.24, 142.41)    2.49                15
 06/25/2023   15:07:15   (  69.43, -49.05) 06/25/2023   15:06:07  (  69.53, -50.95)   75.06                68
 06/28/2023   05:42:54   (  70.34,  90.74) 06/28/2023   05:43:27  (  70.35,  90.82)    3.39                33
 06/28/2023   06:33:35   ( -70.19,-101.72) 06/28/2023   06:32:58  ( -70.19,-101.78)    2.22                37
 06/30/2023   21:09:10   ( -70.94,  38.23) 06/30/2023   21:10:19  ( -70.88,  39.86)   59.63                69
 06/30/2023   21:59:43   (  70.26,-153.36) 06/30/2023   21:59:55  (  70.27,-153.40)    2.12                12
 06/30/2023   22:50:25   ( -70.17,  14.10) 06/30/2023   22:49:25  ( -70.17,  14.08)    0.75                60
 07/03/2023   13:25:50   ( -70.35, 154.98) 07/03/2023   13:26:56  ( -70.34, 154.95)    1.23                66
 07/03/2023   14:16:34   (  70.24, -37.55) 07/03/2023   14:16:23  (  70.22, -37.58)    2.31                11
 07/03/2023   15:07:09   ( -69.78, 130.47) 07/03/2023   15:05:58  ( -69.85, 129.52)   37.08                71