Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 10 30.  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)
 11/01/2021   06:09:22   (  70.14,  84.26) 11/01/2021   06:08:24  (  70.15,  84.21)    1.81                58
 11/01/2021   06:58:52   ( -70.03,-108.27) 11/01/2021   06:59:05  ( -70.00,-108.25)    2.74                13
 11/01/2021   07:48:30   (  69.32,  58.40) 11/01/2021   07:49:38  (  69.30,  60.09)   66.50                68
 11/03/2021   22:25:50   (  70.11,-159.90) 11/03/2021   22:25:21  (  70.10,-159.95)    2.43                29
 11/03/2021   23:15:20   ( -70.00,   7.58) 11/03/2021   23:16:03  ( -70.00,   7.51)    2.38                43
 11/06/2021   13:52:51   ( -70.24, 148.52) 11/06/2021   13:51:38  ( -70.32, 148.15)   16.70                73
 11/06/2021   14:42:19   (  70.07, -44.07) 11/06/2021   14:42:19  (  70.05, -44.12)    3.00                 0
 11/06/2021   15:31:49   ( -69.97, 123.41) 11/06/2021   15:33:01  ( -69.96, 123.35)    2.69                72
 11/09/2021   06:09:21   ( -70.14, -95.74) 11/09/2021   06:08:33  ( -70.12, -95.77)    1.96                48
 11/09/2021   06:58:48   (  70.03,  71.74) 11/09/2021   06:59:17  (  70.01,  71.71)    2.12                29
 11/11/2021   21:36:10   (  70.73,-146.62) 11/11/2021   21:35:01  (  70.81,-148.43)   67.07                69
 11/11/2021   22:25:50   ( -70.08,  20.06) 11/11/2021   22:25:31  ( -70.08,  20.05)    0.55                19
 11/11/2021   23:15:17   (  69.97,-172.46) 11/11/2021   23:16:15  (  69.97,-172.47)    0.89                58