Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 31.  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)
 08/01/2023   21:09:36   ( -71.14,  37.73) 08/01/2023   21:10:43  ( -70.99,  40.00)   83.45                67
 08/01/2023   22:00:05   (  70.23,-153.49) 08/01/2023   22:00:22  (  70.25,-153.48)    2.11                17
 08/01/2023   22:50:47   ( -70.15,  13.96) 08/01/2023   22:49:52  ( -70.13,  13.98)    2.43                55
 08/04/2023   13:26:15   ( -70.31, 154.85) 08/04/2023   13:27:27  ( -70.28, 154.81)    3.20                72
 08/04/2023   14:16:59   (  70.19, -37.66) 08/04/2023   14:16:54  (  70.19, -37.69)    1.36                 5
 08/04/2023   15:07:38   ( -69.95, 130.03) 08/04/2023   15:06:25  ( -70.02, 129.70)   14.82                73
 08/07/2023   05:43:09   ( -70.27, -89.33) 08/07/2023   05:43:58  ( -70.25, -89.36)    2.10                49
 08/07/2023   06:33:53   (  70.15,  78.16) 08/07/2023   06:33:25  (  70.15,  78.14)    0.85                28
 08/09/2023   21:09:38   (  71.22,-142.43) 08/09/2023   21:10:44  (  71.13,-139.78)   95.71                66
 08/09/2023   22:00:03   ( -70.24,  26.49) 08/09/2023   22:00:28  ( -70.25,  26.52)    2.06                25
 08/09/2023   22:50:47   (  70.13,-166.03) 08/09/2023   22:49:55  (  70.15,-165.98)    3.03                52
 08/12/2023   13:26:15   (  70.36, -25.26) 08/12/2023   13:27:27  (  70.33, -25.11)    6.39                72
 08/12/2023   14:16:56   ( -70.21, 142.29) 08/12/2023   14:16:57  ( -70.23, 142.37)    3.03                 1
 08/12/2023   15:07:38   (  70.00, -50.07) 08/12/2023   15:06:26  (  70.01, -50.30)    8.80                72