Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 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)
 06/20/2023   05:43:03   ( -70.35, -89.29) 06/20/2023   05:43:30  ( -70.34, -89.22)    2.46                27
 06/20/2023   06:33:47   (  70.23,  78.20) 06/20/2023   06:32:57  (  70.24,  78.27)    2.95                50
 06/22/2023   21:09:16   (  70.60,-141.23) 06/22/2023   21:10:28  (  70.51,-140.72)   21.10                72
 06/22/2023   21:59:54   ( -70.30,  26.56) 06/22/2023   22:00:00  ( -70.29,  26.59)    1.21                 6
 06/22/2023   22:50:38   (  70.19,-165.96) 06/22/2023   22:49:27  (  70.19,-165.92)    1.29                71
 06/25/2023   13:26:03   (  70.35, -25.06) 06/25/2023   13:26:59  (  70.38, -25.03)    3.22                56
 06/25/2023   14:16:45   ( -70.26, 142.40) 06/25/2023   14:16:29  ( -70.27, 142.45)    2.23                16
 06/25/2023   15:07:16   (  69.46, -49.09) 06/25/2023   15:06:08  (  69.50, -50.99)   73.98                68
 06/28/2023   05:42:53   (  70.32,  90.77) 06/28/2023   05:43:27  (  70.33,  90.79)    1.42                34
 06/28/2023   06:33:35   ( -70.22,-101.76) 06/28/2023   06:32:57  ( -70.23,-101.73)    1.32                38
 06/30/2023   21:09:11   ( -70.97,  38.19) 06/30/2023   21:10:20  ( -70.86,  39.83)   61.00                69
 06/30/2023   21:59:44   (  70.29,-153.40) 06/30/2023   21:59:55  (  70.31,-153.35)    3.10                11
 06/30/2023   22:50:25   ( -70.14,  14.14) 06/30/2023   22:49:26  ( -70.16,  14.06)    3.46                59