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: 5/1/2023
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 05/03/2023 04:53:09 70.64, 102.89 54.97 05/03/2023 04:54:19 70.59, 103.39 54.90 19.19 70
2 05/03/2023 05:43:47 -70.34, -89.32 125.35 05/03/2023 05:43:51 -70.36, -89.31 125.33 2.43 4
3 05/03/2023 06:34:31 70.23, 78.17 54.52 05/03/2023 06:33:19 70.20, 78.10 54.51 3.43 72
4 05/05/2023 21:09:56 70.40,-140.96 53.95 05/05/2023 21:10:48 70.38,-141.03 53.93 3.37 52
5 05/05/2023 22:00:38 -70.31, 26.50 126.16 05/05/2023 22:00:17 -70.32, 26.52 126.15 1.41 21
6 05/05/2023 22:51:05 69.30,-164.69 52.80 05/05/2023 22:49:59 69.39,-167.13 52.94 96.17 66
7 05/08/2023 13:26:46 70.39, -25.16 53.19 05/08/2023 13:27:12 70.37, -25.15 53.17 2.08 26
8 05/08/2023 14:17:27 -70.24, 142.39 126.97 05/08/2023 14:16:42 -70.26, 142.32 126.95 3.46 45
9 05/11/2023 04:52:56 -70.64, -77.08 127.25 05/11/2023 04:54:08 -70.55, -76.64 127.35 19.03 72
10 05/11/2023 05:43:36 70.33, 90.71 52.42 05/11/2023 05:43:37 70.33, 90.68 52.42 1.27 1
11 05/11/2023 06:34:18 -70.23,-101.81 127.69 05/11/2023 06:33:07 -70.22,-101.84 127.70 1.52 71
12 05/13/2023 21:09:43 -70.43, 39.03 128.14 05/13/2023 21:10:34 -70.43, 39.08 128.14 1.87 51
13 05/13/2023 22:00:27 70.33,-153.51 51.75 05/13/2023 22:00:01 70.32,-153.44 51.74 2.73 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/1/2023
SNOs_Map_NPP_LANDSAT-9_20230501.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9