Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 16.  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)
 03/16/2023   05:43:40   ( -70.26, -89.40) 03/16/2023   05:44:21  ( -70.28, -89.42)    2.13                41
 03/16/2023   06:34:25   (  70.19,  78.03) 03/16/2023   06:33:48  (  70.17,  78.07)    2.16                37
 03/18/2023   21:10:05   (  70.77,-141.76) 03/18/2023   21:11:15  (  70.61,-140.68)   43.08                70
 03/18/2023   22:00:39   ( -70.26,  26.37) 03/18/2023   22:00:50  ( -70.23,  26.38)    3.42                11
 03/18/2023   22:51:23   (  70.14,-166.13) 03/18/2023   22:50:17  (  70.12,-166.12)    1.46                66
 03/21/2023   13:26:54   (  70.31, -25.26) 03/21/2023   13:27:47  (  70.30, -25.27)    1.45                53
 03/21/2023   14:17:36   ( -70.22, 142.20) 03/21/2023   14:17:17  ( -70.19, 142.21)    3.52                19
 03/21/2023   15:08:04   (  69.25, -49.05) 03/21/2023   15:06:58  (  69.30, -51.36)   91.11                66
 03/24/2023   05:43:52   (  70.28,  90.55) 03/24/2023   05:44:14  (  70.26,  90.56)    2.73                22
 03/24/2023   06:34:33   ( -70.14,-101.91) 03/24/2023   06:33:44  ( -70.15,-101.96)    2.37                49
 03/26/2023   21:10:05   ( -70.33,  38.93) 03/26/2023   21:11:13  ( -70.34,  38.92)    1.08                68
 03/26/2023   22:00:49   (  70.21,-153.58) 03/26/2023   22:00:40  (  70.22,-153.60)    1.29                 9
 03/26/2023   22:51:26   ( -69.86,  14.28) 03/26/2023   22:50:14  ( -69.90,  13.58)   27.42                72
 03/29/2023   13:27:03   ( -70.33, 154.71) 03/29/2023   13:27:38  ( -70.32, 154.78)    3.12                35
 03/29/2023   14:17:47   (  70.21, -37.81) 03/29/2023   14:17:05  (  70.20, -37.74)    3.02                42