Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 28.  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)
 09/29/2023   14:16:17   ( -70.19, 142.37) 09/29/2023   14:17:08  ( -70.21, 142.35)    2.13                51
 09/29/2023   15:07:01   (  70.08, -50.15) 09/29/2023   15:06:35  (  70.10, -50.15)    2.00                26
 09/29/2023   15:57:27   ( -69.14, 118.53) 09/29/2023   15:56:20  ( -69.16, 116.20)   92.38                67
 10/02/2023   06:33:08   ( -70.17,-101.81) 10/02/2023   06:33:34  ( -70.17,-101.80)    1.12                26
 10/02/2023   07:23:52   (  70.06,  65.66) 10/02/2023   07:23:01  (  70.06,  65.69)    1.34                51
 10/04/2023   21:59:17   (  70.31,-153.56) 10/04/2023   22:00:28  (  70.26,-153.40)    7.65                71
 10/04/2023   22:49:57   ( -70.10,  14.07) 10/04/2023   22:49:59  ( -70.10,  14.00)    2.60                 2
 10/04/2023   23:40:39   (  69.89,-178.31) 10/04/2023   23:39:27  (  69.93,-178.59)   11.74                72
 10/07/2023   14:16:06   (  70.20, -37.62) 10/07/2023   14:16:53  (  70.20, -37.58)    1.47                47
 10/07/2023   15:06:48   ( -70.10, 129.86) 10/07/2023   15:06:23  ( -70.10, 129.90)    1.79                25
 10/10/2023   06:32:56   (  70.16,  78.23) 10/10/2023   06:33:17  (  70.16,  78.26)    1.22                21
 10/10/2023   07:23:38   ( -70.06,-114.29) 10/10/2023   07:22:47  ( -70.06,-114.25)    1.69                51