Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 17.  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)
 04/17/2023   04:53:24   (  70.43, 103.20) 04/17/2023   04:54:32  (  70.45, 103.18)    2.44                68
 04/17/2023   05:44:06   ( -70.35, -89.36) 04/17/2023   05:44:02  ( -70.33, -89.35)    1.42                 4
 04/17/2023   06:34:45   (  69.96,  78.54) 04/17/2023   06:33:33  (  70.02,  77.84)   27.56                72
 04/19/2023   21:10:16   (  70.40,-140.98) 04/19/2023   21:11:02  (  70.40,-141.02)    1.30                46
 04/19/2023   22:00:58   ( -70.32,  26.47) 04/19/2023   22:00:32  ( -70.29,  26.45)    3.26                26
 04/22/2023   13:27:07   (  70.38, -25.18) 04/22/2023   13:27:30  (  70.36, -25.20)    2.68                23
 04/22/2023   14:17:49   ( -70.29, 142.27) 04/22/2023   14:16:59  ( -70.30, 142.35)    3.18                50
 04/25/2023   04:53:17   ( -70.59, -77.04) 04/25/2023   04:54:29  ( -70.55, -76.68)   13.91                72
 04/25/2023   05:43:58   (  70.32,  90.69) 04/25/2023   05:43:58  (  70.33,  90.64)    1.95                 0
 04/25/2023   06:34:40   ( -70.23,-101.85) 04/25/2023   06:33:28  ( -70.22,-101.88)    1.31                72
 04/27/2023   21:10:06   ( -70.43,  38.98) 04/27/2023   21:10:58  ( -70.43,  39.02)    1.33                52
 04/27/2023   22:00:50   (  70.33,-153.55) 04/27/2023   22:00:25  (  70.32,-153.50)    2.13                25
 04/27/2023   22:51:16   ( -69.39,  15.18) 04/27/2023   22:50:09  ( -69.44,  12.92)   88.56                67
 04/30/2023   13:26:57   ( -70.39, 154.83) 04/30/2023   13:27:25  ( -70.37, 154.82)    1.81                28
 04/30/2023   14:17:40   (  70.24, -37.63) 04/30/2023   14:16:52  (  70.26, -37.70)    3.49                48