Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 17.  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)
 04/19/2023   21:10:16   (  70.43,-141.03) 04/19/2023   21:11:01  (  70.43,-140.98)    1.73                45
 04/19/2023   22:00:57   ( -70.29,  26.51) 04/19/2023   22:00:31  ( -70.31,  26.49)    2.63                26
 04/22/2023   13:27:07   (  70.36, -25.14) 04/22/2023   13:27:30  (  70.38, -25.17)    2.87                23
 04/22/2023   14:17:49   ( -70.27, 142.31) 04/22/2023   14:17:00  ( -70.27, 142.31)    0.32                49
 04/25/2023   04:53:18   ( -70.62, -77.09) 04/25/2023   04:54:29  ( -70.57, -76.66)   16.95                71
 04/25/2023   05:43:59   (  70.35,  90.64) 04/25/2023   05:43:58  (  70.35,  90.66)    1.09                 1
 04/25/2023   06:34:41   ( -70.26,-101.90) 04/25/2023   06:33:28  ( -70.24,-101.86)    2.76                73
 04/27/2023   21:10:05   ( -70.41,  39.01) 04/27/2023   21:10:57  ( -70.44,  39.03)    2.86                52
 04/27/2023   22:00:49   (  70.31,-153.51) 04/27/2023   22:00:24  (  70.32,-153.49)    2.14                25
 04/27/2023   22:51:15   ( -69.37,  15.20) 04/27/2023   22:50:08  ( -69.45,  12.93)   89.53                67
 04/30/2023   13:26:56   ( -70.37, 154.85) 04/30/2023   13:27:24  ( -70.37, 154.82)    1.22                28
 04/30/2023   14:17:40   (  70.27, -37.68) 04/30/2023   14:16:51  (  70.26, -37.70)    2.09                49