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: 5/1/2023
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 05/01/2023 20:45:53 70.50,-134.72 55.22 05/01/2023 20:44:40 70.49,-134.77 55.22 2.14 73
2 05/01/2023 21:35:23 -70.39, 32.75 124.91 05/01/2023 21:35:22 -70.41, 32.69 124.88 3.09 1
3 05/01/2023 22:24:52 70.18,-159.92 54.88 05/01/2023 22:26:04 70.19,-159.66 54.88 9.60 72
4 05/04/2023 13:02:21 70.45, -18.91 54.38 05/04/2023 13:01:31 70.47, -18.95 54.40 2.12 50
5 05/04/2023 13:51:51 -70.34, 148.56 125.74 05/04/2023 13:52:12 -70.32, 148.59 125.76 2.30 21
6 05/07/2023 05:18:48 70.43, 96.94 53.60 05/07/2023 05:18:22 70.45, 96.86 53.62 3.49 26
7 05/07/2023 06:08:18 -70.32, -95.59 126.52 05/07/2023 06:09:03 -70.30, -95.59 126.54 2.25 45
8 05/09/2023 20:45:45 -70.66, 45.51 126.90 05/09/2023 20:44:33 -70.75, 44.85 126.79 26.31 72
9 05/09/2023 21:35:15 70.38,-147.25 52.83 05/09/2023 21:35:12 70.39,-147.26 52.83 0.47 3
10 05/09/2023 22:24:45 -70.28, 20.23 127.29 05/09/2023 22:25:54 -70.29, 20.21 127.28 1.26 69
11 05/12/2023 13:02:13 -70.48, 161.13 127.76 05/12/2023 13:01:18 -70.48, 161.06 127.76 2.68 55
12 05/12/2023 13:51:41 70.31, -31.47 52.07 05/12/2023 13:52:01 70.33, -31.39 52.08 3.47 20
13 05/12/2023 14:41:23 -69.55, 135.10 128.69 05/12/2023 14:42:30 -69.54, 137.11 128.74 78.09 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/1/2023
SNOs_Map_LANDSAT-8_NPP_20230501.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/01/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP