Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 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)
 11/03/2021   22:25:51   (  70.08,-159.94) 11/03/2021   22:25:21  (  70.08,-159.92)    1.10                30
 11/03/2021   23:15:21   ( -69.97,   7.53) 11/03/2021   23:16:03  ( -69.99,   7.53)    2.43                42
 11/06/2021   13:52:51   ( -70.26, 148.54) 11/06/2021   13:51:38  ( -70.31, 148.18)   14.99                73
 11/06/2021   14:42:20   (  70.04, -44.12) 11/06/2021   14:42:19  (  70.03, -44.09)    1.62                 1
 11/06/2021   15:31:50   ( -69.93, 123.36) 11/06/2021   15:33:01  ( -69.94, 123.37)    1.24                71
 11/09/2021   06:09:21   ( -70.10, -95.80) 11/09/2021   06:08:32  ( -70.11, -95.75)    2.27                49
 11/09/2021   06:58:48   (  69.99,  71.69) 11/09/2021   06:59:16  (  69.99,  71.74)    1.75                28
 11/11/2021   21:36:09   (  70.74,-146.60) 11/11/2021   21:35:00  (  70.80,-148.40)   66.38                69
 11/11/2021   22:25:49   ( -70.09,  20.07) 11/11/2021   22:25:30  ( -70.07,  20.07)    2.02                19
 11/11/2021   23:15:16   (  69.98,-172.44) 11/11/2021   23:16:14  (  69.96,-172.45)    2.44                58
 11/14/2021   13:52:48   (  70.12, -31.64) 11/14/2021   13:51:46  (  70.13, -31.58)    3.01                62
 11/14/2021   14:42:18   ( -70.01, 135.85) 11/14/2021   14:42:28  ( -70.04, 135.88)    3.03                10
 11/14/2021   15:31:54   (  69.40, -57.35) 11/14/2021   15:33:02  (  69.39, -55.86)   58.27                68