Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 8 3.  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   ( -70.88, -94.60) 08/05/2021   06:07:41  ( -70.89, -96.85)   81.68                68
 08/05/2021   06:58:30   (  70.01,  71.75) 08/05/2021   06:58:11  (  70.03,  71.83)    3.58                19
 08/05/2021   07:47:59   ( -69.96,-120.68) 08/05/2021   07:48:53  ( -69.95,-120.73)    1.97                54
 08/07/2021   22:25:33   ( -70.13,  20.16) 08/07/2021   22:24:23  ( -70.11,  20.17)    2.25                70
 08/07/2021   23:15:00   (  70.02,-172.36) 08/07/2021   23:15:08  (  70.04,-172.41)    3.11                 8
 08/08/2021   00:04:34   ( -69.70,  -5.17) 08/08/2021   00:05:45  ( -69.69,  -4.58)   23.01                71
 08/10/2021   14:42:04   ( -70.08, 135.97) 08/10/2021   14:41:19  ( -70.06, 136.01)    2.51                45
 08/10/2021   15:31:31   (  69.97, -56.55) 08/10/2021   15:32:03  (  69.94, -56.50)    3.31                32
 08/13/2021   06:08:53   (  70.73,  85.17) 08/13/2021   06:07:44  (  70.74,  83.38)   65.67                69
 08/13/2021   06:58:34   ( -70.03,-108.22) 08/13/2021   06:58:14  ( -70.02,-108.16)    2.80                20
 08/13/2021   07:48:01   (  69.91,  59.26) 08/13/2021   07:48:58  (  69.90,  59.33)    3.00                57
 08/15/2021   22:25:34   (  70.12,-159.84) 08/15/2021   22:24:29  (  70.12,-159.87)    1.03                65
 08/15/2021   23:15:04   ( -70.03,   7.65) 08/15/2021   23:15:11  ( -70.03,   7.59)    2.40                 7
 08/16/2021   00:04:38   (  69.52, 174.60) 08/16/2021   00:05:48  (  69.54, 175.62)   39.73                70