Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 17.  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)
 12/18/2023   15:06:35   (  70.13, -50.26) 12/18/2023   15:06:57  (  70.12, -50.20)    2.48                22
 12/18/2023   15:57:16   ( -69.99, 117.27) 12/18/2023   15:56:27  ( -70.01, 117.27)    2.19                49
 12/21/2023   06:32:47   ( -70.43,-102.26) 12/21/2023   06:33:58  ( -70.32,-101.68)   24.45                71
 12/21/2023   07:23:26   (  70.05,  65.63) 12/21/2023   07:23:28  (  70.05,  65.58)    2.07                 2
 12/21/2023   08:14:08   ( -69.96,-126.91) 12/21/2023   08:12:58  ( -69.95,-126.94)    2.29                70
 12/23/2023   22:49:34   ( -70.15,  13.97) 12/23/2023   22:50:31  ( -70.13,  13.92)    2.82                57
 12/23/2023   23:40:18   (  70.04,-178.56) 12/23/2023   23:39:58  (  70.02,-178.59)    2.62                20
 12/24/2023   00:30:47   ( -69.26, -10.10) 12/24/2023   00:29:39  ( -69.31, -11.93)   72.29                68
 12/26/2023   15:06:26   ( -70.13, 129.77) 12/26/2023   15:07:00  ( -70.13, 129.79)    1.39                34
 12/26/2023   15:57:10   (  70.03, -62.77) 12/26/2023   15:56:27  (  70.01, -62.72)    2.70                43
 12/29/2023   06:32:43   (  70.60,  77.50) 12/29/2023   06:33:53  (  70.53,  78.63)   42.83                70
 12/29/2023   07:23:16   ( -70.08,-114.36) 12/29/2023   07:23:28  ( -70.10,-114.36)    2.55                12
 12/29/2023   08:14:00   (  69.98,  53.10) 12/29/2023   08:12:55  (  69.99,  53.12)    1.30                65