Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 12 1.  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)
 12/03/2021   06:09:17   (  70.19,  84.32) 12/03/2021   06:08:32  (  70.17,  84.28)    2.32                45
 12/03/2021   06:58:48   ( -70.02,-108.28) 12/03/2021   06:59:13  ( -70.04,-108.20)    3.51                25
 12/05/2021   22:25:47   (  70.14,-159.87) 12/05/2021   22:25:24  (  70.16,-159.92)    3.09                23
 12/05/2021   23:15:17   ( -70.03,   7.61) 12/05/2021   23:16:05  ( -70.02,   7.60)    0.75                48
 12/08/2021   13:52:47   ( -70.36, 148.68) 12/08/2021   13:51:35  ( -70.42, 148.14)   21.34                72
 12/08/2021   14:42:16   (  70.08, -44.07) 12/08/2021   14:42:14  (  70.09, -44.04)    2.09                 2
 12/08/2021   15:31:46   ( -69.98, 123.41) 12/08/2021   15:32:55  ( -69.96, 123.48)    3.40                69
 12/11/2021   06:09:18   ( -70.18, -95.69) 12/11/2021   06:08:22  ( -70.20, -95.73)    2.23                56
 12/11/2021   06:58:45   (  70.07,  71.79) 12/11/2021   06:59:06  (  70.08,  71.75)    2.23                21
 12/11/2021   07:48:27   ( -69.31,-121.61) 12/11/2021   07:49:35  ( -69.31,-119.79)   71.59                68
 12/13/2021   22:25:48   ( -70.12,  20.09) 12/13/2021   22:25:13  ( -70.14,  20.14)    2.83                35
 12/13/2021   23:15:15   (  70.00,-172.43) 12/13/2021   23:15:57  (  70.02,-172.38)    3.36                42