Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 27.  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)
 04/27/2023   21:10:06   ( -70.43,  38.99) 04/27/2023   21:10:58  ( -70.45,  39.05)    3.22                52
 04/27/2023   22:00:50   (  70.31,-153.52) 04/27/2023   22:00:26  (  70.30,-153.53)    2.02                24
 04/27/2023   22:51:16   ( -69.38,  15.18) 04/27/2023   22:50:09  ( -69.46,  12.94)   87.89                67
 04/30/2023   13:26:56   ( -70.39, 154.83) 04/30/2023   13:27:25  ( -70.36, 154.80)    3.01                29
 04/30/2023   14:17:40   (  70.27, -37.69) 04/30/2023   14:16:52  (  70.26, -37.71)    2.07                48
 05/03/2023   04:53:08   (  70.60, 102.94) 05/03/2023   04:54:20  (  70.52, 103.28)   15.83                72
 05/03/2023   05:43:47   ( -70.35, -89.34) 05/03/2023   05:43:51  ( -70.35, -89.33)    0.52                 4
 05/03/2023   06:34:31   (  70.25,  78.14) 05/03/2023   06:33:18  (  70.24,  78.16)    0.97                73
 05/05/2023   21:09:56   (  70.43,-140.99) 05/05/2023   21:10:47  (  70.41,-140.98)    1.43                51
 05/05/2023   22:00:38   ( -70.33,  26.48) 05/05/2023   22:00:17  ( -70.30,  26.49)    2.84                21
 05/05/2023   22:51:05   (  69.32,-164.72) 05/05/2023   22:49:59  (  69.36,-167.16)   95.86                66
 05/08/2023   13:26:46   (  70.36, -25.11) 05/08/2023   13:27:12  (  70.39, -25.13)    2.93                26
 05/08/2023   14:17:28   ( -70.26, 142.36) 05/08/2023   14:16:42  ( -70.28, 142.35)    2.15                46