Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 25.  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)
 12/26/2022   06:33:33   (  70.15,  78.08) 12/26/2022   06:34:04  (  70.15,  78.09)    0.50                31
 12/26/2022   07:24:15   ( -70.06,-114.47) 12/26/2022   07:23:34  ( -70.04,-114.43)    3.05                41
 12/28/2022   21:59:53   ( -70.56,  25.88) 12/28/2022   22:01:04  ( -70.44,  26.75)   34.95                71
 12/28/2022   22:50:31   (  70.13,-166.13) 12/28/2022   22:50:35  (  70.12,-166.08)    2.28                 4
 12/28/2022   23:41:12   ( -69.99,   1.41) 12/28/2022   23:40:05  ( -70.01,   1.40)    2.68                67
 12/31/2022   14:16:44   ( -70.18, 142.25) 12/31/2022   14:17:39  ( -70.18, 142.24)    0.52                55
 12/31/2022   15:07:28   (  70.06, -50.26) 12/31/2022   15:07:06  (  70.07, -50.28)    0.67                22
 12/31/2022   15:57:56   ( -69.23, 118.28) 12/31/2022   15:56:48  ( -69.31, 116.31)   77.80                68
 01/03/2023   06:33:41   ( -70.17,-101.97) 01/03/2023   06:34:08  ( -70.17,-101.90)    2.49                27
 01/03/2023   07:24:25   (  70.06,  65.51) 01/03/2023   07:23:35  (  70.05,  65.58)    2.50                50
 01/05/2023   21:59:57   (  70.26,-153.67) 01/05/2023   22:01:08  (  70.24,-153.56)    5.14                71
 01/05/2023   22:50:38   ( -70.11,  13.89) 01/05/2023   22:50:39  ( -70.08,  13.85)    3.35                 1
 01/05/2023   23:41:20   (  69.90,-178.48) 01/05/2023   23:40:07  (  69.91,-178.74)   10.33                73