Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 1 17.  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)
 01/17/2022   14:42:07   ( -70.18, 136.06) 01/17/2022   14:41:22  ( -70.16, 136.00)    2.95                45
 01/17/2022   15:31:35   (  70.03, -56.51) 01/17/2022   15:32:06  (  70.05, -56.51)    2.20                31
 01/20/2022   06:08:53   (  70.96,  85.48) 01/20/2022   06:07:46  (  71.03,  83.08)   87.17                67
 01/20/2022   06:58:36   ( -70.14,-108.12) 01/20/2022   06:58:13  ( -70.15,-108.19)    2.91                23
 01/20/2022   07:48:04   (  69.98,  59.30) 01/20/2022   07:48:56  (  69.99,  59.37)    2.63                52
 01/22/2022   22:25:34   (  70.19,-159.79) 01/22/2022   22:24:21  (  70.23,-159.85)    4.85                73
 01/22/2022   23:15:04   ( -70.08,   7.68) 01/22/2022   23:15:02  ( -70.09,   7.69)    0.70                 2
 01/23/2022   00:04:32   (  69.92, 175.10) 01/23/2022   00:05:45  (  69.93, 175.24)    5.46                73
 01/25/2022   14:42:02   (  70.18, -43.93) 01/25/2022   14:41:11  (  70.18, -43.98)    1.90                51
 01/25/2022   15:31:32   ( -70.07, 123.55) 01/25/2022   15:31:53  ( -70.08, 123.48)    2.55                21
 01/25/2022   16:21:15   (  69.08, -70.15) 01/25/2022   16:22:20  (  69.07, -67.74)   95.68                65
 01/28/2022   06:58:31   (  70.10,  71.84) 01/28/2022   06:58:01  (  70.13,  71.88)    3.29                30
 01/28/2022   07:48:00   ( -70.05,-120.60) 01/28/2022   07:48:43  ( -70.03,-120.65)    3.02                43
 01/30/2022   22:25:26   ( -70.51,  20.66) 01/30/2022   22:24:15  ( -70.59,  19.63)   39.60                71
 01/30/2022   23:14:59   (  70.07,-172.33) 01/30/2022   23:14:51  (  70.08,-172.26)    3.07                 8
 01/31/2022   00:04:29   ( -69.96,  -4.84) 01/31/2022   00:05:33  ( -69.97,  -4.78)    2.79                64