Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 1 20.  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)
 01/21/2025   14:16:27   ( -70.11, 142.17) 01/21/2025   14:17:25  ( -70.13, 142.16)    2.06                58
 01/21/2025   15:07:11   (  70.02, -50.38) 01/21/2025   15:06:52  (  70.02, -50.35)    1.43                19
 01/21/2025   15:57:40   ( -69.27, 118.03) 01/21/2025   15:56:31  ( -69.36, 116.38)   65.79                69
 01/24/2025   06:33:22   ( -70.10,-102.05) 01/24/2025   06:33:53  ( -70.07,-102.04)    3.21                31
 01/24/2025   07:24:05   (  69.96,  65.48) 01/24/2025   07:23:20  (  69.96,  65.45)    1.53                45
 01/26/2025   21:59:38   (  70.33,-153.94) 01/26/2025   22:00:49  (  70.24,-153.55)   18.04                71
 01/26/2025   22:50:17   ( -70.06,  13.80) 01/26/2025   22:50:20  ( -70.07,  13.85)    2.94                 3
 01/26/2025   23:41:00   (  69.91,-178.68) 01/26/2025   23:39:48  (  69.91,-178.74)    2.54                72
 01/29/2025   14:16:30   (  70.14, -37.88) 01/29/2025   14:17:17  (  70.13, -37.81)    2.81                47
 01/29/2025   15:07:12   ( -70.02, 129.62) 01/29/2025   15:06:47  ( -70.02, 129.67)    1.97                25
 02/01/2025   05:42:56   ( -71.00, -90.79) 02/01/2025   05:44:03  ( -70.91, -88.41)   87.22                67
 02/01/2025   06:33:24   (  70.07,  78.00) 02/01/2025   06:33:43  (  70.08,  78.01)    0.88                19
 02/01/2025   07:24:05   ( -69.96,-114.50) 02/01/2025   07:23:12  ( -69.98,-114.50)    2.53                53