Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 12.  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)
 12/12/2022   22:50:10   (  70.12,-166.06) 12/12/2022   22:50:36  (  70.10,-166.10)    2.13                26
 12/12/2022   23:40:52   ( -70.03,   1.39) 12/12/2022   23:40:05  ( -70.04,   1.45)    2.67                47
 12/15/2022   14:16:26   ( -70.29, 142.12) 12/15/2022   14:17:37  ( -70.25, 142.35)    9.93                71
 12/15/2022   15:07:08   (  70.06, -50.22) 12/15/2022   15:07:05  (  70.09, -50.23)    2.93                 3
 12/15/2022   15:57:49   ( -69.93, 117.31) 12/15/2022   15:56:36  ( -69.92, 117.17)    5.56                73
 12/18/2022   06:33:22   ( -70.14,-101.88) 12/18/2022   06:34:07  ( -70.17,-101.89)    2.92                45
 12/18/2022   07:24:07   (  70.07,  65.53) 12/18/2022   07:23:34  (  70.06,  65.60)    3.07                33
 12/20/2022   21:59:48   (  70.77,-154.44) 12/20/2022   22:00:57  (  70.66,-152.91)   57.35                69
 12/20/2022   22:50:19   ( -70.10,  13.95) 12/20/2022   22:50:35  ( -70.12,  13.92)    2.30                16
 12/20/2022   23:41:03   (  69.98,-178.56) 12/20/2022   23:40:02  (  70.00,-178.59)    2.86                61
 12/23/2022   14:16:36   (  70.21, -37.78) 12/23/2022   14:17:33  (  70.20, -37.70)    3.12                57
 12/23/2022   15:07:17   ( -70.06, 129.77) 12/23/2022   15:07:04  ( -70.05, 129.71)    2.86                13
 12/23/2022   15:57:49   (  69.31, -61.82) 12/23/2022   15:56:41  (  69.38, -63.56)   68.89                68