Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 21.  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)
 01/21/2023   22:00:08   (  70.19,-153.56) 01/21/2023   22:00:55  (  70.19,-153.59)    1.37                47
 01/21/2023   22:50:50   ( -70.09,  13.90) 01/21/2023   22:50:25  ( -70.07,  13.88)    2.50                25
 01/24/2023   13:26:34   ( -71.00, 153.59) 01/24/2023   13:27:41  ( -70.91, 155.73)   78.30                67
 01/24/2023   14:17:04   (  70.15, -37.74) 01/24/2023   14:17:20  (  70.14, -37.76)    1.60                16
 01/24/2023   15:07:46   ( -70.06, 129.73) 01/24/2023   15:06:50  ( -70.03, 129.71)    3.29                56
 01/27/2023   05:43:16   ( -70.24, -89.41) 01/27/2023   05:44:17  ( -70.22, -89.39)    2.41                61
 01/27/2023   06:34:00   (  70.13,  78.07) 01/27/2023   06:33:44  (  70.11,  78.09)    2.95                16
 01/27/2023   07:24:32   ( -69.51,-113.68) 01/27/2023   07:23:22  ( -69.56,-115.04)   53.20                70
 01/29/2023   22:00:10   ( -70.18,  26.47) 01/29/2023   22:00:39  ( -70.20,  26.48)    2.68                29
 01/29/2023   22:50:54   (  70.07,-166.06) 01/29/2023   22:50:06  (  70.08,-166.04)    1.71                48
 02/01/2023   13:26:23   (  70.22, -25.15) 02/01/2023   13:27:32  (  70.24, -25.18)    2.36                69
 02/01/2023   14:17:05   ( -70.12, 142.33) 02/01/2023   14:17:02  ( -70.13, 142.30)    2.03                 3
 02/01/2023   15:07:44   (  69.75, -49.80) 02/01/2023   15:06:32  (  69.85, -50.46)   27.32                72