Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 8 2.  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)
 08/02/2021   14:41:59   (  70.07, -44.04) 08/02/2021   14:41:15  (  70.06, -43.98)    2.63                44
 08/02/2021   15:31:29   ( -69.96, 123.44) 08/02/2021   15:31:57  ( -69.98, 123.46)    2.08                28
 08/05/2021   06:08:50   ( -70.84, -94.66) 08/05/2021   06:07:42  ( -70.92, -96.90)   82.25                68
 08/05/2021   06:58:30   (  70.03,  71.78) 08/05/2021   06:58:11  (  70.01,  71.86)    3.46                19
 08/05/2021   07:48:00   ( -69.92,-120.73) 08/05/2021   07:48:53  ( -69.93,-120.70)    1.56                53
 08/07/2021   22:25:32   ( -70.15,  20.18) 08/07/2021   22:24:23  ( -70.14,  20.12)    2.63                69
 08/07/2021   23:14:59   (  70.04,-172.33) 08/07/2021   23:15:07  (  70.02,-172.39)    2.91                 8
 08/08/2021   00:04:33   ( -69.72,  -5.14) 08/08/2021   00:05:45  ( -69.72,  -4.63)   19.99                72
 08/10/2021   14:42:03   ( -70.10, 136.00) 08/10/2021   14:41:19  ( -70.10, 135.95)    1.71                44
 08/10/2021   15:31:30   (  69.99, -56.52) 08/10/2021   15:32:03  (  69.98, -56.56)    1.72                33
 08/13/2021   06:08:54   (  70.70,  85.12) 08/13/2021   06:07:45  (  70.77,  83.33)   66.37                69
 08/13/2021   06:58:34   ( -70.05,-108.20) 08/13/2021   06:58:15  ( -70.05,-108.21)    0.59                19
 08/13/2021   07:48:01   (  69.93,  59.28) 08/13/2021   07:48:59  (  69.94,  59.27)    0.44                58
 08/15/2021   22:25:35   (  70.09,-159.89) 08/15/2021   22:24:29  (  70.10,-159.84)    2.39                66
 08/15/2021   23:15:05   ( -70.00,   7.61) 08/15/2021   23:15:11  ( -70.01,   7.62)    1.33                 6
 08/16/2021   00:04:38   (  69.55, 174.63) 08/16/2021   00:05:48  (  69.52, 175.65)   39.73                70