Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 13.  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)
 12/13/2023   06:32:51   (  70.17,  78.12) 12/13/2023   06:33:56  (  70.16,  78.11)    0.52                65
 12/13/2023   07:23:32   ( -70.03,-114.35) 12/13/2023   07:23:26  ( -70.05,-114.42)    3.27                 6
 12/13/2023   08:14:10   (  69.59,  53.61) 12/13/2023   08:12:59  (  69.62,  52.63)   38.03                71
 12/15/2023   22:49:43   (  70.13,-166.04) 12/15/2023   22:50:27  (  70.14,-166.05)    1.56                44
 12/15/2023   23:40:25   ( -70.04,   1.41) 12/15/2023   23:39:57  ( -70.03,   1.43)    1.30                28
 12/18/2023   15:06:35   (  70.10, -50.21) 12/18/2023   15:06:58  (  70.10, -50.23)    0.74                23
 12/18/2023   15:57:17   ( -70.01, 117.24) 12/18/2023   15:56:28  ( -69.99, 117.25)    1.50                49
 12/21/2023   06:32:47   ( -70.39,-102.19) 12/21/2023   06:33:59  ( -70.31,-101.70)   20.59                72
 12/21/2023   07:23:27   (  70.07,  65.61) 12/21/2023   07:23:28  (  70.09,  65.63)    2.13                 1
 12/21/2023   08:14:09   ( -69.98,-126.93) 12/21/2023   08:12:58  ( -69.99,-126.88)    2.14                71
 12/23/2023   22:49:34   ( -70.16,  13.95) 12/23/2023   22:50:30  ( -70.17,  13.98)    1.97                56
 12/23/2023   23:40:18   (  70.05,-178.58) 12/23/2023   23:39:57  (  70.06,-178.54)    1.89                21
 12/24/2023   00:30:47   ( -69.27, -10.11) 12/24/2023   00:29:38  ( -69.35, -11.87)   69.66                69
 12/26/2023   15:06:26   ( -70.14, 129.76) 12/26/2023   15:07:00  ( -70.12, 129.79)    2.57                34
 12/26/2023   15:57:09   (  69.99, -62.70) 12/26/2023   15:56:27  (  70.00, -62.73)    1.98                42