Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 21.  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)
 09/21/2023   14:16:29   (  70.22, -37.70) 09/21/2023   14:17:13  (  70.23, -37.64)    2.92                44
 09/21/2023   15:07:11   ( -70.12, 129.77) 09/21/2023   15:06:43  ( -70.12, 129.83)    2.47                28
 09/24/2023   05:42:53   ( -71.21, -90.84) 09/24/2023   05:43:59  ( -71.08, -88.11)   99.04                66
 09/24/2023   06:33:19   (  70.16,  78.17) 09/24/2023   06:33:41  (  70.16,  78.14)    1.00                22
 09/24/2023   07:24:01   ( -70.07,-114.37) 09/24/2023   07:23:11  ( -70.05,-114.38)    2.03                50
 09/26/2023   21:59:29   ( -70.38,  26.30) 09/26/2023   22:00:40  ( -70.32,  26.62)   13.53                71
 09/26/2023   22:50:10   (  70.12,-165.99) 09/26/2023   22:50:09  (  70.10,-166.05)    2.89                 1
 09/26/2023   23:40:52   ( -70.02,   1.48) 09/26/2023   23:39:39  ( -69.99,   1.43)    3.22                73
 09/29/2023   14:16:17   ( -70.18, 142.38) 09/29/2023   14:17:09  ( -70.18, 142.31)    2.71                52
 09/29/2023   15:07:01   (  70.08, -50.16) 09/29/2023   15:06:36  (  70.06, -50.21)    2.88                25
 09/29/2023   15:57:27   ( -69.13, 118.54) 09/29/2023   15:56:20  ( -69.19, 116.24)   91.44                67
 10/02/2023   06:33:08   ( -70.16,-101.80) 10/02/2023   06:33:35  ( -70.16,-101.81)    1.09                27
 10/02/2023   07:23:52   (  70.06,  65.66) 10/02/2023   07:23:02  (  70.05,  65.67)    1.60                50
 10/04/2023   21:59:17   (  70.30,-153.55) 10/04/2023   22:00:29  (  70.27,-153.39)    6.98                72
 10/04/2023   22:49:58   ( -70.14,  14.01) 10/04/2023   22:50:00  ( -70.11,  14.02)    2.92                 2
 10/04/2023   23:40:40   (  69.94,-178.38) 10/04/2023   23:39:27  (  69.99,-178.51)    7.60                73