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: 4/9/2023
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 04/10/2023 13:02:32 -70.35, 160.98 117.69 04/10/2023 13:01:50 -70.36, 161.00 117.68 1.12 42
2 04/10/2023 13:51:59 70.25, -31.52 62.20 04/10/2023 13:52:34 70.23, -31.50 62.18 2.00 35
3 04/13/2023 04:29:22 70.70, 109.76 61.68 04/13/2023 04:28:11 70.76, 108.81 61.77 35.58 71
4 04/13/2023 05:18:57 -70.31, -83.18 118.71 04/13/2023 05:18:46 -70.31, -83.15 118.72 1.59 11
5 04/13/2023 06:08:24 70.21, 84.31 61.18 04/13/2023 06:09:30 70.18, 84.35 61.15 2.99 66
6 04/15/2023 20:45:51 70.41,-134.78 60.44 04/15/2023 20:45:01 70.41,-134.85 60.44 2.79 50
7 04/15/2023 21:35:21 -70.30, 32.69 119.69 04/15/2023 21:35:43 -70.32, 32.61 119.67 3.48 22
8 04/18/2023 12:12:35 -71.19, 174.66 119.75 04/18/2023 12:11:28 -71.27, 172.18 119.60 89.17 67
9 04/18/2023 13:02:15 70.37, -18.95 59.44 04/18/2023 13:01:57 70.38, -19.03 59.46 3.10 18
10 04/18/2023 13:51:45 -70.26, 148.53 120.68 04/18/2023 13:52:38 -70.23, 148.52 120.71 3.08 53
11 04/21/2023 04:29:11 -70.41, -70.63 121.43 04/21/2023 04:28:07 -70.41, -70.62 121.42 0.69 64
12 04/21/2023 05:18:38 70.29, 96.84 58.45 04/21/2023 05:18:51 70.30, 96.87 58.46 1.37 13
13 04/21/2023 06:08:15 -69.80, -96.22 122.05 04/21/2023 06:09:25 -69.79, -95.02 122.09 45.81 70

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_LANDSAT-8_NPP_20230409.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/09/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP