Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 8.  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)
 11/09/2021   06:09:21   ( -70.15, -95.73) 11/09/2021   06:08:33  ( -70.12, -95.78)    3.14                48
 11/09/2021   06:58:49   (  69.99,  71.69) 11/09/2021   06:59:17  (  70.00,  71.72)    1.56                28
 11/11/2021   21:36:10   (  70.76,-146.58) 11/11/2021   21:35:01  (  70.80,-148.42)   67.33                69
 11/11/2021   22:25:50   ( -70.10,  20.08) 11/11/2021   22:25:31  ( -70.08,  20.05)    2.18                19
 11/11/2021   23:15:17   (  69.94,-172.50) 11/11/2021   23:16:14  (  69.96,-172.46)    3.06                57
 11/14/2021   13:52:48   (  70.15, -31.60) 11/14/2021   13:51:46  (  70.14, -31.59)    1.31                62
 11/14/2021   14:42:18   ( -70.04, 135.88) 11/14/2021   14:42:28  ( -70.05, 135.87)    0.84                10
 11/14/2021   15:31:54   (  69.43, -57.31) 11/14/2021   15:33:03  (  69.45, -55.94)   53.45                69
 11/17/2021   06:09:16   (  70.13,  84.27) 11/17/2021   06:08:44  (  70.11,  84.22)    3.38                32
 11/17/2021   06:58:46   ( -70.03,-108.25) 11/17/2021   06:59:26  ( -70.01,-108.32)    3.24                40
 11/19/2021   21:36:15   ( -70.33,  32.80) 11/19/2021   21:35:02  ( -70.41,  32.21)   23.43                73
 11/19/2021   22:25:45   (  70.05,-159.96) 11/19/2021   22:25:42  (  70.08,-159.98)    3.06                 3
 11/19/2021   23:15:15   ( -69.95,   7.53) 11/19/2021   23:16:23  ( -69.93,   7.56)    2.52                68