Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 19.  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)
 12/20/2022   21:59:48   (  70.75,-154.40) 12/20/2022   22:00:57  (  70.68,-152.89)   56.13                69
 12/20/2022   22:50:20   ( -70.13,  13.89) 12/20/2022   22:50:35  ( -70.13,  13.94)    1.94                15
 12/20/2022   23:41:04   (  70.01,-178.61) 12/20/2022   23:40:02  (  70.02,-178.57)    2.11                62
 12/23/2022   14:16:36   (  70.19, -37.75) 12/23/2022   14:17:34  (  70.16, -37.76)    3.09                58
 12/23/2022   15:07:17   ( -70.05, 129.79) 12/23/2022   15:07:04  ( -70.05, 129.72)    2.81                13
 12/23/2022   15:57:50   (  69.34, -61.86) 12/23/2022   15:56:41  (  69.39, -63.54)   66.21                69
 12/26/2022   06:33:32   (  70.11,  78.14) 12/26/2022   06:34:01  (  70.12,  78.06)    2.92                29
 12/26/2022   07:24:14   ( -70.02,-114.40) 12/26/2022   07:23:31  ( -70.01,-114.45)    2.01                43
 12/28/2022   21:59:48   ( -70.31,  26.28) 12/28/2022   22:01:00  ( -70.28,  26.54)   10.13                72
 12/28/2022   22:50:30   (  70.09,-166.07) 12/28/2022   22:50:28  (  70.11,-166.06)    2.12                 2
 12/28/2022   23:41:12   ( -70.00,   1.40) 12/28/2022   23:39:58  ( -70.01,   1.43)    1.73                74
 12/31/2022   14:16:44   ( -70.19, 142.24) 12/31/2022   14:17:28  ( -70.20, 142.31)    3.02                44
 12/31/2022   15:07:28   (  70.08, -50.28) 12/31/2022   15:06:55  (  70.08, -50.21)    2.78                33