Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 18.  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   (  70.40,-140.99) 04/19/2023   21:11:02  (  70.40,-141.02)    1.54                46
 04/19/2023   22:00:58   ( -70.32,  26.46) 04/19/2023   22:00:31  ( -70.34,  26.52)    2.91                27
 04/22/2023   13:27:08   (  70.39, -25.19) 04/22/2023   13:27:30  (  70.41, -25.13)    3.34                22
 04/22/2023   14:17:49   ( -70.25, 142.34) 04/22/2023   14:17:01  ( -70.24, 142.26)    3.05                48
 04/25/2023   04:53:17   ( -70.60, -77.06) 04/25/2023   04:54:29  ( -70.54, -76.70)   15.03                72
 04/25/2023   05:43:58   (  70.33,  90.67) 04/25/2023   05:43:58  (  70.32,  90.63)    1.89                 0
 04/25/2023   06:34:40   ( -70.24,-101.87) 04/25/2023   06:33:28  ( -70.21,-101.90)    3.35                72
 04/27/2023   21:10:05   ( -70.40,  39.04) 04/27/2023   21:10:58  ( -70.41,  39.00)    2.57                53
 04/27/2023   22:00:49   (  70.29,-153.49) 04/27/2023   22:00:25  (  70.30,-153.52)    1.85                24
 04/27/2023   22:51:16   ( -69.40,  15.15) 04/27/2023   22:50:09  ( -69.43,  12.90)   88.15                67
 04/30/2023   13:26:56   ( -70.36, 154.87) 04/30/2023   13:27:25  ( -70.35, 154.79)    3.04                29
 04/30/2023   14:17:40   (  70.26, -37.66) 04/30/2023   14:16:52  (  70.24, -37.73)    3.31                48