Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/4/2021
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 10/05/2021 14:42:18 70.07, -44.08 74.93 10/05/2021 14:41:43 70.07, -44.04 74.93 1.63 35
2 10/05/2021 15:31:48 -69.95, 123.39 105.18 10/05/2021 15:32:25 -69.97, 123.43 105.16 2.83 37
3 10/08/2021 06:09:14 -70.54, -95.15 103.59 10/08/2021 06:08:03 -70.60, -96.42 103.52 47.26 71
4 10/08/2021 06:58:48 70.06, 71.79 75.95 10/08/2021 06:58:39 70.08, 71.72 75.97 3.42 9
5 10/08/2021 07:48:18 -69.94,-120.74 104.16 10/08/2021 07:49:20 -69.93,-120.73 104.18 2.13 62
6 10/10/2021 22:25:51 -70.15, 20.15 102.96 10/10/2021 22:24:50 -70.14, 20.08 102.97 2.65 61
7 10/10/2021 23:15:19 69.99,-172.43 76.89 10/10/2021 23:15:33 69.99,-172.37 76.89 2.31 14
8 10/11/2021 00:04:57 -69.44, -5.55 103.65 10/11/2021 00:06:07 -69.46, -4.28 103.63 49.83 70
9 10/13/2021 14:42:21 -70.08, 135.93 102.03 10/13/2021 14:41:44 -70.10, 135.91 102.00 2.99 37
10 10/13/2021 15:31:48 69.97, -56.58 77.88 10/13/2021 15:32:27 69.95, -56.54 77.86 2.69 39
11 10/16/2021 06:09:15 70.49, 84.77 79.37 10/16/2021 06:08:04 70.54, 83.68 79.42 41.07 71
12 10/16/2021 06:58:51 -70.06,-108.22 101.06 10/16/2021 06:58:39 -70.07,-108.26 101.05 1.93 12
13 10/16/2021 07:48:18 69.95, 59.27 78.84 10/16/2021 07:49:22 69.92, 59.28 78.82 3.28 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/4/2021
SNOs_Map_LANDSAT-8_NPP_20211004.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/04/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP