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: 5/2/2023
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 70.62, 102.92 54.95 05/03/2023 04:54:20 70.55, 103.33 54.87 17.07 71
2 05/03/2023 05:43:47 -70.32, -89.29 125.37 05/03/2023 05:43:52 -70.32, -89.37 125.37 2.95 5
3 05/03/2023 06:34:30 70.21, 78.19 54.51 05/03/2023 06:33:18 70.22, 78.13 54.52 2.83 72
4 05/05/2023 21:09:55 70.38,-140.93 53.93 05/05/2023 21:10:47 70.40,-141.00 53.94 3.19 52
5 05/05/2023 22:00:37 -70.29, 26.53 126.18 05/05/2023 22:00:17 -70.28, 26.46 126.18 2.72 20
6 05/05/2023 22:51:05 69.33,-164.74 52.84 05/05/2023 22:49:59 69.35,-167.18 52.90 95.78 66
7 05/08/2023 13:26:46 70.37, -25.12 53.17 05/08/2023 13:27:12 70.39, -25.13 53.19 2.10 26
8 05/08/2023 14:17:28 -70.27, 142.34 126.94 05/08/2023 14:16:42 -70.27, 142.34 126.94 0.18 46
9 05/11/2023 04:52:56 -70.61, -77.05 127.28 05/11/2023 04:54:08 -70.56, -76.62 127.34 16.69 72
10 05/11/2023 05:43:37 70.36, 90.67 52.45 05/11/2023 05:43:37 70.34, 90.70 52.44 1.86 0
11 05/11/2023 06:34:19 -70.26,-101.86 127.66 05/11/2023 06:33:07 -70.23,-101.83 127.68 3.06 72
12 05/13/2023 21:09:43 -70.40, 39.08 128.17 05/13/2023 21:10:35 -70.39, 39.01 128.19 2.74 52
13 05/13/2023 22:00:27 70.30,-153.46 51.72 05/13/2023 22:00:01 70.33,-153.43 51.75 3.27 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/2/2023
SNOs_Map_NPP_LANDSAT-9_20230502.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9