Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 14.  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)
 11/14/2021   13:52:48   (  70.18, -31.56) 11/14/2021   13:51:47  (  70.16, -31.63)    3.28                61
 11/14/2021   14:42:19   ( -70.01, 135.83) 11/14/2021   14:42:28  ( -70.03, 135.90)    3.02                 9
 11/14/2021   15:31:54   (  69.46, -57.27) 11/14/2021   15:33:03  (  69.42, -55.90)   53.66                69
 11/17/2021   06:09:17   (  70.11,  84.24) 11/17/2021   06:08:45  (  70.13,  84.18)    2.48                32
 11/17/2021   06:58:47   ( -70.00,-108.29) 11/17/2021   06:59:26  ( -69.99,-108.29)    1.56                39
 11/19/2021   21:36:14   ( -70.37,  32.85) 11/19/2021   21:35:02  ( -70.43,  32.17)   26.22                72
 11/19/2021   22:25:45   (  70.05,-159.98) 11/19/2021   22:25:41  (  70.05,-159.92)    2.03                 4
 11/19/2021   23:15:15   ( -69.94,   7.51) 11/19/2021   23:16:23  ( -69.96,   7.53)    2.18                68
 11/22/2021   13:52:46   ( -70.14, 148.40) 11/22/2021   13:51:55  ( -70.14, 148.39)    0.43                51
 11/22/2021   14:42:13   (  70.03, -44.12) 11/22/2021   14:42:39  (  70.02, -44.12)    1.02                26
 11/22/2021   15:31:59   ( -69.04, 122.19) 11/22/2021   15:33:05  ( -69.08, 124.56)   94.47                66
 11/25/2021   05:19:32   (  70.88,  97.74) 11/25/2021   05:18:24  (  70.88,  95.64)   76.81                68
 11/25/2021   06:09:14   ( -70.12, -95.75) 11/25/2021   06:08:53  ( -70.11, -95.81)    2.40                21
 11/25/2021   06:58:41   (  70.00,  71.73) 11/25/2021   06:59:37  (  69.99,  71.68)    2.11                56
 11/27/2021   21:36:12   (  70.19,-147.39) 11/27/2021   21:35:09  (  70.18,-147.47)    2.96                63
 11/27/2021   22:25:43   ( -70.04,  20.02) 11/27/2021   22:25:50  ( -70.03,  20.08)    2.06                 7
 11/27/2021   23:15:17   (  69.53,-173.03) 11/27/2021   23:16:27  (  69.55,-171.89)   44.47                70