Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 10 23.  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)
 10/24/2021   06:09:23   ( -70.17, -95.71) 10/24/2021   06:08:11  ( -70.16, -95.76)    2.29                72
 10/24/2021   06:58:51   (  70.02,  71.72) 10/24/2021   06:58:55  (  70.04,  71.72)    2.76                 4
 10/24/2021   07:48:22   ( -69.85,-120.89) 10/24/2021   07:49:35  ( -69.84,-120.66)    8.89                73
 10/26/2021   22:25:53   ( -70.12,  20.10) 10/26/2021   22:25:09  ( -70.10,  20.09)    2.80                44
 10/26/2021   23:15:21   (  69.97,-172.47) 10/26/2021   23:15:53  (  69.98,-172.42)    2.61                32
 10/29/2021   13:52:44   (  70.62, -30.93) 10/29/2021   13:51:34  (  70.66, -32.36)   52.93                70
 10/29/2021   14:42:22   ( -70.07, 135.90) 10/29/2021   14:42:07  ( -70.09, 135.87)    2.84                15
 10/29/2021   15:31:49   (  69.96, -56.60) 10/29/2021   15:32:51  (  69.98, -56.65)    2.58                62
 11/01/2021   06:09:22   (  70.11,  84.22) 11/01/2021   06:08:23  (  70.13,  84.24)    2.26                59
 11/01/2021   06:58:52   ( -70.01,-108.30) 11/01/2021   06:59:05  ( -70.03,-108.29)    2.95                13
 11/01/2021   07:48:30   (  69.29,  58.37) 11/01/2021   07:49:38  (  69.34,  60.05)   66.16                68
 11/03/2021   22:25:51   (  70.10,-159.92) 11/03/2021   22:25:21  (  70.08,-159.92)    1.96                30
 11/03/2021   23:15:21   ( -69.99,   7.56) 11/03/2021   23:16:03  ( -69.98,   7.55)    1.65                42
 11/06/2021   13:52:51   ( -70.30, 148.60) 11/06/2021   13:51:39  ( -70.35, 148.12)   19.10                72
 11/06/2021   14:42:21   (  70.02, -44.15) 11/06/2021   14:42:19  (  70.03, -44.08)    2.89                 2
 11/06/2021   15:31:51   ( -69.92, 123.34) 11/06/2021   15:33:01  ( -69.93, 123.39)    2.16                70