Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 27.  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)
 11/27/2021   21:36:09   (  70.76,-146.59) 11/27/2021   21:35:00  (  70.79,-148.26)   61.50                69
 11/27/2021   22:25:48   ( -70.16,  20.15) 11/27/2021   22:25:31  ( -70.14,  20.10)    2.91                17
 11/27/2021   23:15:16   (  70.00,-172.43) 11/27/2021   23:16:15  (  70.01,-172.40)    2.04                59
 11/30/2021   13:52:48   (  70.17, -31.57) 11/30/2021   13:51:40  (  70.19, -31.53)    2.78                68
 11/30/2021   14:42:17   ( -70.12, 135.98) 11/30/2021   14:42:22  ( -70.11, 135.91)    2.85                 5
 11/30/2021   15:31:50   (  69.68, -56.98) 11/30/2021   15:33:00  (  69.67, -56.12)   33.29                70
 12/03/2021   06:09:17   (  70.19,  84.32) 12/03/2021   06:08:32  (  70.18,  84.28)    2.08                45
 12/03/2021   06:58:48   ( -70.03,-108.27) 12/03/2021   06:59:13  ( -70.04,-108.20)    3.12                25
 12/05/2021   22:25:47   (  70.14,-159.87) 12/05/2021   22:25:24  (  70.16,-159.92)    3.32                23
 12/05/2021   23:15:17   ( -70.04,   7.62) 12/05/2021   23:16:05  ( -70.02,   7.61)    1.67                48
 12/08/2021   13:52:47   ( -70.36, 148.69) 12/08/2021   13:51:35  ( -70.42, 148.14)   21.34                72
 12/08/2021   14:42:17   (  70.08, -44.07) 12/08/2021   14:42:15  (  70.10, -44.05)    1.61                 2
 12/08/2021   15:31:47   ( -69.99, 123.43) 12/08/2021   15:32:57  ( -70.01, 123.41)    2.63                70