Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 22.  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)
 12/23/2023   22:49:41   ( -70.15,  13.93) 12/23/2023   22:50:30  ( -70.15,  13.95)    0.91                49
 12/23/2023   23:40:25   (  70.03,-178.58) 12/23/2023   23:39:57  (  70.04,-178.56)    1.53                28
 12/26/2023   14:16:09   (  70.94, -38.89) 12/26/2023   14:17:16  (  70.87, -36.73)   79.15                67
 12/26/2023   15:06:37   ( -70.11, 129.75) 12/26/2023   15:06:58  ( -70.10, 129.77)    0.89                21
 12/26/2023   15:57:21   (  69.99, -62.76) 12/26/2023   15:56:25  (  70.00, -62.74)    0.97                56
 12/29/2023   06:32:52   (  70.17,  78.10) 12/29/2023   06:33:56  (  70.19,  78.14)    2.37                64
 12/29/2023   07:23:34   ( -70.08,-114.44) 12/29/2023   07:23:26  ( -70.08,-114.38)    2.23                 8
 12/29/2023   08:14:10   (  69.54,  53.67) 12/29/2023   08:12:59  (  69.64,  52.65)   40.92                71
 12/31/2023   22:49:48   (  70.10,-166.03) 12/31/2023   22:50:24  (  70.13,-166.05)    3.16                36
 12/31/2023   23:40:30   ( -70.00,   1.44) 12/31/2023   23:39:54  ( -70.02,   1.43)    2.57                36
 01/03/2024   14:16:08   ( -70.56, 141.70) 01/03/2024   14:17:19  ( -70.48, 142.70)   38.16                71
 01/03/2024   15:06:45   (  70.09, -50.25) 01/03/2024   15:06:51  (  70.09, -50.22)    1.31                 6
 01/03/2024   15:57:27   ( -69.98, 117.22) 01/03/2024   15:56:21  ( -69.98, 117.27)    1.67                66