Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 30.  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)
 07/30/2023   05:43:11   (  70.27,  90.68) 07/30/2023   05:43:50  (  70.29,  90.71)    2.29                39
 07/30/2023   06:33:53   ( -70.19,-101.88) 07/30/2023   06:33:20  ( -70.17,-101.83)    3.08                33
 08/01/2023   21:09:36   ( -71.13,  37.75) 08/01/2023   21:10:43  ( -71.00,  40.02)   83.11                67
 08/01/2023   22:00:05   (  70.22,-153.47) 08/01/2023   22:00:23  (  70.20,-153.55)    3.54                18
 08/01/2023   22:50:47   ( -70.14,  13.97) 08/01/2023   22:49:52  ( -70.14,  14.00)    1.10                55
 08/04/2023   13:26:15   ( -70.30, 154.86) 08/04/2023   13:27:27  ( -70.30, 154.82)    1.60                72
 08/04/2023   14:16:59   (  70.18, -37.64) 08/04/2023   14:16:54  (  70.20, -37.68)    2.35                 5
 08/04/2023   15:07:38   ( -69.94, 130.04) 08/04/2023   15:06:26  ( -69.97, 129.64)   15.98                72
 08/07/2023   05:43:09   ( -70.26, -89.31) 08/07/2023   05:43:58  ( -70.27, -89.34)    1.48                49
 08/07/2023   06:33:53   (  70.14,  78.18) 08/07/2023   06:33:25  (  70.17,  78.16)    2.62                28
 08/09/2023   21:09:38   (  71.26,-142.51) 08/09/2023   21:10:43  (  71.14,-139.76)   99.38                65
 08/09/2023   22:00:02   ( -70.23,  26.51) 08/09/2023   22:00:28  ( -70.22,  26.47)    1.88                26
 08/09/2023   22:50:46   (  70.11,-166.01) 08/09/2023   22:49:55  (  70.11,-166.04)    1.17                51
 08/12/2023   13:26:16   (  70.40, -25.32) 08/12/2023   13:27:27  (  70.35, -25.08)   10.49                71
 08/12/2023   14:16:56   ( -70.20, 142.31) 08/12/2023   14:16:58  ( -70.19, 142.32)    1.00                 2
 08/12/2023   15:07:38   (  69.99, -50.05) 08/12/2023   15:06:26  (  70.03, -50.27)    9.51                72