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: 7/10/2023
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 07/11/2023 13:26:16 70.32, -25.11 48.22 07/11/2023 13:27:16 70.34, -25.13 48.22 1.29 60
2 07/11/2023 14:16:58 -70.24, 142.33 131.87 07/11/2023 14:16:46 -70.22, 142.34 131.89 2.77 12
3 07/11/2023 15:07:31 69.53, -49.30 47.40 07/11/2023 15:06:22 69.63, -50.85 47.56 60.92 69
4 07/14/2023 05:43:10 70.28, 90.72 48.55 07/14/2023 05:43:46 70.28, 90.67 48.55 1.79 36
5 07/14/2023 06:33:52 -70.20,-101.83 131.53 07/14/2023 06:33:15 -70.22,-101.78 131.51 3.45 37
6 07/16/2023 21:09:32 -70.93, 38.12 130.34 07/16/2023 21:10:41 -70.79, 39.68 130.55 59.10 69
7 07/16/2023 22:00:05 70.24,-153.46 48.93 07/16/2023 22:00:16 70.25,-153.48 48.95 2.12 11
8 07/16/2023 22:50:47 -70.15, 13.99 131.15 07/16/2023 22:49:46 -70.15, 14.00 131.15 0.76 61
9 07/19/2023 13:26:16 -70.32, 154.87 130.52 07/19/2023 13:27:19 -70.32, 154.86 130.53 0.48 63
10 07/19/2023 14:17:00 70.20, -37.64 49.37 07/19/2023 14:16:46 70.21, -37.65 49.38 1.16 14
11 07/19/2023 15:07:34 -69.69, 130.44 131.16 07/19/2023 15:06:23 -69.72, 129.29 131.08 44.76 71
12 07/22/2023 05:43:11 -70.29, -89.32 130.04 07/22/2023 05:43:49 -70.26, -89.34 130.08 3.36 38
13 07/22/2023 06:33:55 70.17, 78.16 49.85 07/22/2023 06:33:16 70.15, 78.14 49.83 2.90 39

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/10/2023
SNOs_Map_NPP_LANDSAT-9_20230710.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9