Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 2 16.  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)
 02/17/2023   14:17:09   ( -70.24, 142.19) 02/17/2023   14:17:36  ( -70.21, 142.23)    3.15                27
 02/17/2023   15:07:53   (  70.13, -50.33) 02/17/2023   15:07:03  (  70.11, -50.27)    2.85                50
 02/20/2023   05:43:20   (  70.31,  90.55) 02/20/2023   05:44:31  (  70.28,  90.59)    3.25                71
 02/20/2023   06:34:01   ( -70.16,-101.91) 02/20/2023   06:34:01  ( -70.16,-101.94)    1.67                 0
 02/20/2023   07:24:42   (  69.89,  65.81) 02/20/2023   07:23:30  (  69.95,  65.39)   17.26                72
 02/22/2023   22:00:13   (  70.24,-153.57) 02/22/2023   22:00:56  (  70.22,-153.60)    2.31                43
 02/22/2023   22:50:55   ( -70.15,  13.90) 02/22/2023   22:50:25  ( -70.17,  13.96)    3.22                30
 02/25/2023   13:26:34   ( -70.93, 153.80) 02/25/2023   13:27:43  ( -70.82, 155.55)   64.92                69
 02/25/2023   14:17:06   (  70.19, -37.71) 02/25/2023   14:17:19  (  70.22, -37.70)    2.68                13
 02/25/2023   15:07:48   ( -70.10, 129.76) 02/25/2023   15:06:49  ( -70.11, 129.78)    1.60                59
 02/28/2023   05:43:15   ( -70.26, -89.34) 02/28/2023   05:44:15  ( -70.27, -89.36)    1.18                60
 02/28/2023   06:33:59   (  70.16,  78.12) 02/28/2023   06:33:42  (  70.16,  78.11)    0.92                17