Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 18.  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)
 09/18/2023   21:59:37   (  70.22,-153.49) 09/18/2023   22:00:45  (  70.22,-153.54)    2.14                68
 09/18/2023   22:50:19   ( -70.13,  13.98) 09/18/2023   22:50:15  ( -70.11,  13.93)    3.19                 4
 09/18/2023   23:40:58   (  69.76,-178.15) 09/18/2023   23:39:46  (  69.78,-178.88)   28.09                72
 09/21/2023   14:16:29   (  70.21, -37.69) 09/21/2023   14:17:13  (  70.23, -37.64)    2.87                44
 09/21/2023   15:07:11   ( -70.12, 129.78) 09/21/2023   15:06:43  ( -70.12, 129.83)    2.28                28
 09/24/2023   05:42:53   ( -71.20, -90.83) 09/24/2023   05:43:59  ( -71.07, -88.12)   98.40                66
 09/24/2023   06:33:19   (  70.16,  78.17) 09/24/2023   06:33:41  (  70.15,  78.13)    1.75                22
 09/24/2023   07:24:01   ( -70.06,-114.36) 09/24/2023   07:23:11  ( -70.04,-114.39)    2.09                50
 09/26/2023   21:59:29   ( -70.37,  26.31) 09/26/2023   22:00:40  ( -70.31,  26.61)   12.87                71
 09/26/2023   22:50:10   (  70.11,-165.98) 09/26/2023   22:50:08  (  70.14,-165.99)    2.97                 2
 09/26/2023   23:40:52   ( -70.01,   1.49) 09/26/2023   23:39:38  ( -70.03,   1.49)    2.75                74
 09/29/2023   14:16:18   ( -70.22, 142.32) 09/29/2023   14:17:08  ( -70.21, 142.36)    2.43                50
 09/29/2023   15:07:01   (  70.08, -50.15) 09/29/2023   15:06:35  (  70.09, -50.16)    1.67                26