Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 14.  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)
 01/16/2023   14:16:59   ( -70.19, 142.21) 01/16/2023   14:17:33  ( -70.20, 142.27)    2.45                34
 01/16/2023   15:07:43   (  70.07, -50.30) 01/16/2023   15:07:00  (  70.09, -50.24)    3.01                43
 01/19/2023   05:43:16   (  70.44,  90.28) 01/19/2023   05:44:27  (  70.37,  90.77)   20.13                71
 01/19/2023   06:33:54   ( -70.13,-101.93) 01/19/2023   06:33:59  ( -70.15,-101.91)    2.23                 5
 01/19/2023   07:24:38   (  70.02,  65.55) 01/19/2023   07:23:26  (  70.04,  65.58)    2.33                72
 01/21/2023   22:00:08   (  70.18,-153.55) 01/21/2023   22:00:56  (  70.17,-153.62)    2.87                48
 01/21/2023   22:50:50   ( -70.08,  13.92) 01/21/2023   22:50:26  ( -70.06,  13.86)    2.88                24
 01/24/2023   13:26:35   ( -71.03, 153.53) 01/24/2023   13:27:42  ( -70.93, 155.76)   81.65                67
 01/24/2023   14:17:04   (  70.14, -37.72) 01/24/2023   14:17:21  (  70.16, -37.74)    1.48                17
 01/24/2023   15:07:46   ( -70.04, 129.75) 01/24/2023   15:06:51  ( -70.05, 129.74)    1.18                55
 01/27/2023   05:43:16   ( -70.22, -89.37) 01/27/2023   05:44:19  ( -70.23, -89.39)    0.79                63
 01/27/2023   06:34:00   (  70.12,  78.09) 01/27/2023   06:33:46  (  70.11,  78.09)    1.49                14
 01/27/2023   07:24:34   ( -69.59,-113.80) 01/27/2023   07:23:23  ( -69.62,-114.96)   44.97                71