Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 29.  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)
 06/30/2023   21:09:24   ( -70.79,  38.41) 06/30/2023   21:10:34  ( -70.70,  39.54)   42.72                70
 06/30/2023   22:00:00   (  70.25,-153.42) 06/30/2023   22:00:07  (  70.28,-153.44)    3.30                 7
 06/30/2023   22:50:42   ( -70.17,  14.03) 06/30/2023   22:49:37  ( -70.17,  14.03)    0.19                65
 07/03/2023   13:26:12   ( -70.36, 154.87) 07/03/2023   13:27:14  ( -70.35, 154.88)    0.53                62
 07/03/2023   14:16:56   (  70.23, -37.63) 07/03/2023   14:16:41  (  70.25, -37.62)    1.92                15
 07/03/2023   15:07:29   ( -69.67, 130.53) 07/03/2023   15:06:19  ( -69.71, 129.25)   49.80                70
 07/06/2023   05:43:07   ( -70.29, -89.26) 07/06/2023   05:43:48  ( -70.30, -89.32)    2.69                41
 07/06/2023   06:33:52   (  70.22,  78.15) 07/06/2023   06:33:15  (  70.20,  78.18)    2.75                37
 07/08/2023   21:09:33   (  71.00,-141.97) 07/08/2023   21:10:41  (  70.94,-140.12)   67.37                68
 07/08/2023   22:00:03   ( -70.28,  26.51) 07/08/2023   22:00:21  ( -70.29,  26.53)    1.22                18
 07/08/2023   22:50:47   (  70.16,-166.00) 07/08/2023   22:49:48  (  70.18,-165.98)    2.15                59
 07/11/2023   13:26:16   (  70.37, -25.19) 07/11/2023   13:27:23  (  70.35, -25.14)    2.68                67
 07/11/2023   14:16:57   ( -70.22, 142.36) 07/11/2023   14:16:53  ( -70.25, 142.35)    2.98                 4
 07/11/2023   15:07:36   (  69.84, -49.76) 07/11/2023   15:06:24  (  69.92, -50.48)   28.75                72