Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 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)
 05/16/2023   13:26:42   ( -70.42, 154.79) 05/16/2023   13:27:17  ( -70.40, 154.85)    2.67                35
 05/16/2023   14:17:26   (  70.31, -37.72) 05/16/2023   14:16:44  (  70.30, -37.65)    2.76                42
 05/19/2023   04:52:59   (  70.85, 102.55) 05/19/2023   04:54:09  (  70.74, 103.60)   40.48                70
 05/19/2023   05:43:33   ( -70.34, -89.31) 05/19/2023   05:43:44  ( -70.35, -89.34)    2.28                11
 05/19/2023   06:34:17   (  70.23,  78.17) 05/19/2023   06:33:11  (  70.25,  78.15)    2.49                66
 05/21/2023   21:09:44   (  70.41,-140.98) 05/21/2023   21:10:41  (  70.44,-140.96)    3.41                57
 05/21/2023   22:00:26   ( -70.31,  26.50) 05/21/2023   22:00:11  ( -70.33,  26.51)    1.91                15
 05/21/2023   22:50:58   (  69.57,-165.08) 05/21/2023   22:49:49  (  69.62,-166.85)   68.69                69
 05/24/2023   13:26:37   (  70.40, -25.19) 05/24/2023   13:27:08  (  70.39, -25.15)    1.68                31
 05/24/2023   14:17:19   ( -70.30, 142.29) 05/24/2023   14:16:38  ( -70.28, 142.32)    2.31                41
 05/27/2023   04:52:52   ( -70.81, -77.38) 05/27/2023   04:54:03  ( -70.70, -76.45)   36.18                71
 05/27/2023   05:43:29   (  70.35,  90.67) 05/27/2023   05:43:34  (  70.37,  90.70)    2.91                 5
 05/27/2023   06:34:11   ( -70.24,-101.85) 05/27/2023   06:33:04  ( -70.26,-101.82)    2.70                67
 05/29/2023   21:09:37   ( -70.45,  38.98) 05/29/2023   21:10:32  ( -70.44,  39.04)    2.56                55
 05/29/2023   22:00:20   (  70.30,-153.48) 05/29/2023   21:59:59  (  70.32,-153.48)    2.74                21