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: 4/12/2023
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 04/13/2023 04:29:24 70.84, 109.94 61.82 04/13/2023 04:28:14 70.91, 108.55 61.94 51.65 70
2 04/13/2023 05:19:01 -70.34, -83.16 118.68 04/13/2023 05:18:47 -70.36, -83.23 118.66 3.36 14
3 04/13/2023 06:08:28 70.24, 84.33 61.21 04/13/2023 06:09:31 70.23, 84.27 61.20 2.37 63
4 04/15/2023 20:46:01 70.40,-134.84 60.42 04/15/2023 20:45:01 70.40,-134.85 60.44 0.84 60
5 04/15/2023 21:35:31 -70.29, 32.63 119.70 04/15/2023 21:35:42 -70.27, 32.69 119.73 3.21 11
6 04/15/2023 22:25:08 69.63,-160.64 59.65 04/15/2023 22:26:16 69.62,-159.01 59.60 63.05 68
7 04/18/2023 13:02:30 70.39, -18.97 59.47 04/18/2023 13:01:57 70.38, -19.03 59.46 2.70 33
8 04/18/2023 13:52:00 -70.29, 148.50 120.65 04/18/2023 13:52:39 -70.29, 148.43 120.65 2.65 39
9 04/21/2023 04:29:26 -70.77, -70.18 121.08 04/21/2023 04:28:15 -70.84, -71.30 120.98 41.65 71
10 04/21/2023 05:18:59 70.33, 96.81 58.49 04/21/2023 05:18:52 70.36, 96.78 58.51 3.00 7
11 04/21/2023 06:08:29 -70.23, -95.71 121.63 04/21/2023 06:09:33 -70.21, -95.67 121.65 2.27 64
12 04/23/2023 20:46:02 -70.39, 45.11 122.36 04/23/2023 20:45:03 -70.41, 45.17 122.33 3.15 59
13 04/23/2023 21:35:28 70.33,-147.33 57.58 04/23/2023 21:35:47 70.30,-147.35 57.55 3.38 19

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_LANDSAT-8_NPP_20230412.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/12/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP