Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 8.  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)
 01/08/2023   14:16:52   (  70.16, -37.74) 01/08/2023   14:17:36  (  70.18, -37.76)    3.07                44
 01/08/2023   15:07:34   ( -70.07, 129.72) 01/08/2023   15:07:06  ( -70.07, 129.72)    0.47                28
 01/11/2023   05:43:19   ( -70.97, -90.59) 01/11/2023   05:44:27  ( -70.84, -88.54)   75.84                68
 01/11/2023   06:33:49   (  70.12,  78.09) 01/11/2023   06:34:05  (  70.13,  78.05)    1.66                16
 01/11/2023   07:24:31   ( -70.03,-114.46) 01/11/2023   07:23:35  ( -70.02,-114.47)    0.83                56
 01/13/2023   22:00:02   ( -70.21,  26.41) 01/13/2023   22:01:06  ( -70.22,  26.42)    1.37                64
 01/13/2023   22:50:46   (  70.10,-166.10) 01/13/2023   22:50:33  (  70.11,-166.10)    1.47                13
 01/13/2023   23:41:20   ( -69.58,   1.99) 01/13/2023   23:40:09  ( -69.67,   0.93)   42.42                71
 01/16/2023   14:16:59   ( -70.18, 142.22) 01/16/2023   14:17:34  ( -70.17, 142.23)    1.44                35
 01/16/2023   15:07:43   (  70.08, -50.30) 01/16/2023   15:07:01  (  70.06, -50.28)    2.15                42
 01/19/2023   05:43:18   (  70.48,  90.20) 01/19/2023   05:44:29  (  70.36,  90.77)   24.77                71
 01/19/2023   06:33:55   ( -70.17,-101.99) 01/19/2023   06:34:00  ( -70.15,-101.91)    3.49                 5
 01/19/2023   07:24:38   (  70.01,  65.57) 01/19/2023   07:23:27  (  70.03,  65.57)    2.68                71
 01/21/2023   22:00:09   (  70.21,-153.60) 01/21/2023   22:00:57  (  70.20,-153.57)    1.48                48
 01/21/2023   22:50:51   ( -70.11,  13.88) 01/21/2023   22:50:27  ( -70.10,  13.92)    1.43                24