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: 6/17/2023
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 06/17/2023 13:26:11 -70.35, 154.92 133.09 06/17/2023 13:27:00 -70.36, 154.92 133.08 1.10 49
2 06/17/2023 14:16:55 70.24, -37.59 46.80 06/17/2023 14:16:27 70.26, -37.58 46.82 2.58 28
3 06/20/2023 05:43:03 -70.35, -89.30 133.13 06/20/2023 05:43:30 -70.34, -89.23 133.15 3.05 27
4 06/20/2023 06:33:47 70.24, 78.18 46.76 06/20/2023 06:32:57 70.23, 78.26 46.75 3.05 50
5 06/22/2023 21:09:16 70.61,-141.25 47.14 06/22/2023 21:10:28 70.50,-140.74 47.01 22.26 72
6 06/22/2023 21:59:54 -70.31, 26.55 133.18 06/22/2023 22:00:00 -70.29, 26.58 133.20 2.46 6
7 06/22/2023 22:50:38 70.20,-165.97 46.71 06/22/2023 22:49:27 70.18,-165.93 46.70 2.65 71
8 06/25/2023 13:26:03 70.36, -25.07 46.94 06/25/2023 13:26:59 70.37, -25.05 46.93 1.32 56
9 06/25/2023 14:16:45 -70.27, 142.39 133.16 06/25/2023 14:16:29 -70.27, 142.44 133.17 1.78 16
10 06/25/2023 15:07:16 69.47, -49.11 46.01 06/25/2023 15:06:08 69.49, -51.00 46.10 73.67 68
11 06/28/2023 05:42:53 70.33, 90.75 47.00 06/28/2023 05:43:27 70.32, 90.77 46.99 1.32 34
12 06/28/2023 06:33:35 -70.23,-101.78 133.10 06/28/2023 06:32:57 -70.22,-101.74 133.11 2.19 38
13 06/30/2023 21:09:11 -70.98, 38.17 132.16 06/30/2023 21:10:20 -70.85, 39.82 132.35 61.82 69
14 06/30/2023 21:59:44 70.31,-153.43 47.13 06/30/2023 21:59:55 70.30,-153.36 47.12 2.46 11
15 06/30/2023 22:50:25 -70.15, 14.12 133.03 06/30/2023 22:49:26 -70.15, 14.05 133.03 2.84 59

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/17/2023
SNOs_Map_NPP_LANDSAT-9_20230617.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/17/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9