Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 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)
 02/01/2023   14:17:07   ( -70.20, 142.21) 02/01/2023   14:17:40  ( -70.18, 142.20)    1.82                33
 02/01/2023   15:07:51   (  70.09, -50.31) 02/01/2023   15:07:07  (  70.08, -50.30)    0.79                44
 02/04/2023   05:43:25   (  70.56,  90.10) 02/04/2023   05:44:36  (  70.49,  90.88)   30.23                71
 02/04/2023   06:34:01   ( -70.14,-101.93) 02/04/2023   06:34:10  ( -70.16,-101.96)    2.00                 9
 02/04/2023   07:24:45   (  70.04,  65.54) 02/04/2023   07:23:37  (  70.06,  65.54)    2.19                68
 02/06/2023   22:00:15   (  70.25,-153.64) 02/06/2023   22:01:11  (  70.22,-153.63)    3.25                56
 02/06/2023   22:50:56   ( -70.10,  13.92) 02/06/2023   22:50:41  ( -70.12,  13.85)    3.29                15
 02/06/2023   23:41:27   (  69.30,-177.60) 02/06/2023   23:40:19  (  69.40,-179.49)   75.02                68
 02/09/2023   14:17:10   (  70.21, -37.80) 02/09/2023   14:17:41  (  70.21, -37.78)    1.11                31
 02/09/2023   15:07:52   ( -70.11, 129.67) 02/09/2023   15:07:11  ( -70.10, 129.70)    1.34                41
 02/12/2023   05:43:28   ( -70.65, -90.03) 02/12/2023   05:44:39  ( -70.56, -89.04)   37.98                71
 02/12/2023   06:34:05   (  70.18,  78.02) 02/12/2023   06:34:11  (  70.17,  78.05)    1.47                 6
 02/12/2023   07:24:47   ( -70.08,-114.50) 02/12/2023   07:23:41  ( -70.07,-114.47)    1.37                66