Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 21.  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)
 07/22/2023   05:43:11   ( -70.31, -89.36) 07/22/2023   05:43:47  ( -70.29, -89.29)    3.40                36
 07/22/2023   06:33:55   (  70.19,  78.15) 07/22/2023   06:33:14  (  70.20,  78.21)    2.73                41
 07/24/2023   21:09:31   (  70.74,-141.60) 07/24/2023   21:10:41  (  70.63,-140.54)   40.91                70
 07/24/2023   22:00:05   ( -70.24,  26.52) 07/24/2023   22:00:16  ( -70.24,  26.52)    0.56                11
 07/24/2023   22:50:49   (  70.12,-165.98) 07/24/2023   22:49:43  (  70.14,-165.98)    2.19                66
 07/27/2023   13:26:17   (  70.31, -25.14) 07/27/2023   13:27:13  (  70.32, -25.11)    1.66                56
 07/27/2023   14:16:59   ( -70.23, 142.30) 07/27/2023   14:16:43  ( -70.21, 142.36)    3.35                16
 07/27/2023   15:07:30   (  69.42, -49.18) 07/27/2023   15:06:22  (  69.44, -51.06)   73.28                68
 07/30/2023   05:43:11   (  70.26,  90.71) 07/30/2023   05:43:41  (  70.26,  90.70)    0.25                30
 07/30/2023   06:33:53   ( -70.17,-101.84) 07/30/2023   06:33:11  ( -70.15,-101.83)    2.55                42
 08/01/2023   21:09:27   ( -70.64,  38.56) 08/01/2023   21:10:38  ( -70.50,  39.30)   31.64                71
 08/01/2023   22:00:05   (  70.21,-153.46) 08/01/2023   22:00:08  (  70.22,-153.45)    1.54                 3
 08/01/2023   22:50:47   ( -70.12,  14.00) 08/01/2023   22:49:38  ( -70.11,  14.03)    0.98                69
 08/04/2023   13:26:15   ( -70.28, 154.89) 08/04/2023   13:27:08  ( -70.27, 154.87)    0.87                53
 08/04/2023   14:16:59   (  70.17, -37.63) 08/04/2023   14:16:35  (  70.16, -37.64)    1.12                24