Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 8 5.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2021   06:08:49   ( -70.87, -94.62) 08/05/2021   06:07:41  ( -70.90, -96.86)   81.73                68
 08/05/2021   06:58:29   (  70.06,  71.82) 08/05/2021   06:58:11  (  70.04,  71.82)    2.58                18
 08/05/2021   07:47:59   ( -69.95,-120.70) 08/05/2021   07:48:53  ( -69.96,-120.74)    1.89                54
 08/07/2021   22:25:33   ( -70.12,  20.14) 08/07/2021   22:24:23  ( -70.12,  20.16)    0.51                70
 08/07/2021   23:15:00   (  70.01,-172.37) 08/07/2021   23:15:07  (  69.99,-172.34)    2.32                 7
 08/08/2021   00:04:33   ( -69.74,  -5.11) 08/08/2021   00:05:45  ( -69.70,  -4.59)   20.59                72
 08/10/2021   14:42:04   ( -70.07, 135.95) 08/10/2021   14:41:19  ( -70.07, 135.99)    1.47                45
 08/10/2021   15:31:31   (  69.96, -56.56) 08/10/2021   15:32:03  (  69.95, -56.51)    2.07                32
 08/13/2021   06:08:53   (  70.72,  85.16) 08/13/2021   06:07:44  (  70.75,  83.37)   65.69                69
 08/13/2021   06:58:34   ( -70.02,-108.24) 08/13/2021   06:58:14  ( -70.03,-108.17)    2.73                20
 08/13/2021   07:48:01   (  69.90,  59.24) 08/13/2021   07:48:58  (  69.91,  59.31)    2.79                57
 08/15/2021   22:25:34   (  70.11,-159.86) 08/15/2021   22:24:29  (  70.13,-159.88)    2.13                65
 08/15/2021   23:15:04   ( -70.02,   7.64) 08/15/2021   23:15:11  ( -70.04,   7.58)    3.37                 7
 08/16/2021   00:04:38   (  69.51, 174.59) 08/16/2021   00:05:48  (  69.55, 175.61)   39.98                70
 08/18/2021   14:42:04   (  70.11, -43.99) 08/18/2021   14:41:25  (  70.10, -44.06)    2.97                39
 08/18/2021   15:31:35   ( -69.96, 123.43) 08/18/2021   15:32:06  ( -69.95, 123.48)    2.28                31