Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 12 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)
 12/05/2021   22:25:46   (  70.16,-159.85) 12/05/2021   22:25:23  (  70.14,-159.89)    2.55                23
 12/05/2021   23:15:17   ( -69.99,   7.55) 12/05/2021   23:16:04  ( -70.01,   7.63)    3.49                47
 12/08/2021   13:52:47   ( -70.31, 148.62) 12/08/2021   13:51:34  ( -70.41, 148.16)   19.92                73
 12/08/2021   14:42:16   (  70.10, -44.05) 12/08/2021   14:42:14  (  70.08, -44.01)    2.66                 2
 12/08/2021   15:31:46   ( -69.99, 123.43) 12/08/2021   15:32:56  ( -70.00, 123.42)    0.88                70
 12/11/2021   06:09:18   ( -70.19, -95.68) 12/11/2021   06:08:22  ( -70.19, -95.71)    1.71                56
 12/11/2021   06:58:45   (  70.08,  71.81) 12/11/2021   06:59:06  (  70.07,  71.78)    2.26                21
 12/11/2021   07:48:27   ( -69.32,-121.60) 12/11/2021   07:49:35  ( -69.30,-119.78)   71.81                68
 12/13/2021   22:25:48   ( -70.12,  20.10) 12/13/2021   22:25:13  ( -70.13,  20.16)    2.07                35
 12/13/2021   23:15:15   (  70.01,-172.41) 12/13/2021   23:15:57  (  70.01,-172.36)    2.11                42
 12/16/2021   13:52:40   (  70.53, -31.06) 12/16/2021   13:51:29  (  70.58, -32.09)   38.66                71
 12/16/2021   14:42:16   ( -70.10, 135.95) 12/16/2021   14:42:04  ( -70.12, 135.95)    2.18                12
 12/16/2021   15:31:43   (  69.98, -56.57) 12/16/2021   15:32:48  (  70.01, -56.57)    2.56                65