Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/7/2023
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/08/2023 13:26:46 70.38, -25.14 53.18 05/08/2023 13:27:19 70.37, -25.18 53.17 1.71 33
2 05/08/2023 14:17:28 -70.29, 142.32 126.93 05/08/2023 14:16:48 -70.31, 142.37 126.90 3.32 40
3 05/11/2023 04:53:03 -71.00, -77.68 126.87 05/11/2023 04:54:12 -70.94, -76.09 126.97 58.18 69
4 05/11/2023 05:43:37 70.37, 90.64 52.47 05/11/2023 05:43:48 70.35, 90.66 52.44 2.77 11
5 05/11/2023 06:34:18 -70.23,-101.81 127.69 05/11/2023 06:33:18 -70.24,-101.87 127.68 2.36 60
6 05/13/2023 21:09:43 -70.43, 39.02 128.14 05/13/2023 21:10:49 -70.46, 39.05 128.12 3.14 66
7 05/13/2023 22:00:27 70.33,-153.51 51.75 05/13/2023 22:00:16 70.35,-153.46 51.77 2.95 11
8 05/13/2023 22:51:03 -69.92, 14.44 128.68 05/13/2023 22:49:51 -69.97, 13.63 128.61 31.52 72
9 05/16/2023 13:26:32 -70.40, 154.86 128.81 05/16/2023 13:27:17 -70.38, 154.81 128.83 2.74 45
10 05/16/2023 14:17:16 70.30, -37.68 51.09 05/16/2023 14:16:43 70.32, -37.62 51.11 3.24 33
11 05/19/2023 04:52:55 71.27, 101.90 51.51 05/19/2023 04:54:02 71.14, 104.21 51.33 84.27 67
12 05/19/2023 05:43:22 -70.38, -89.32 129.43 05/19/2023 05:43:44 -70.38, -89.31 129.43 0.43 22
13 05/19/2023 06:34:06 70.28, 78.14 50.47 05/19/2023 06:33:11 70.26, 78.17 50.45 2.40 55

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/7/2023
SNOs_Map_NPP_LANDSAT-9_20230507.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/07/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9