Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 29.  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)
 05/29/2023   21:09:37   ( -70.43,  39.00) 05/29/2023   21:10:40  ( -70.42,  38.99)    0.64                63
 05/29/2023   22:00:21   (  70.32,-153.51) 05/29/2023   22:00:07  (  70.33,-153.51)    0.82                14
 05/29/2023   22:50:54   ( -69.75,  14.66) 05/29/2023   22:49:44  ( -69.83,  13.42)   48.43                70
 06/01/2023   13:26:29   ( -70.38, 154.85) 06/01/2023   13:27:09  ( -70.41, 154.85)    3.31                40
 06/01/2023   14:17:13   (  70.27, -37.67) 06/01/2023   14:16:37  (  70.25, -37.74)    3.47                36
 06/04/2023   04:52:51   (  71.07, 102.19) 06/04/2023   04:53:59  (  70.98, 103.94)   64.01                68
 06/04/2023   05:43:22   ( -70.39, -89.39) 06/04/2023   05:43:38  ( -70.37, -89.33)    2.80                16
 06/04/2023   06:34:06   (  70.29,  78.08) 06/04/2023   06:33:05  (  70.27,  78.16)    3.50                61
 06/06/2023   21:09:30   (  70.40,-140.95) 06/06/2023   21:10:36  (  70.42,-141.02)    3.49                66
 06/06/2023   22:00:12   ( -70.30,  26.52) 06/06/2023   22:00:06  ( -70.32,  26.46)    2.92                 6
 06/06/2023   22:50:49   (  69.83,-165.45) 06/06/2023   22:49:38  (  69.93,-166.44)   39.76                71
 06/09/2023   13:26:22   (  70.37, -25.13) 06/09/2023   13:27:04  (  70.40, -25.18)    3.08                42
 06/09/2023   14:17:04   ( -70.27, 142.35) 06/09/2023   14:16:34  ( -70.29, 142.30)    2.84                30