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: 7/4/2023
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 07/06/2023 05:43:07 -70.32, -89.30 132.42 07/06/2023 05:43:43 -70.32, -89.28 132.43 0.94 36
2 07/06/2023 06:33:51 70.19, 78.20 47.46 07/06/2023 06:33:10 70.22, 78.22 47.48 3.04 41
3 07/08/2023 21:09:29 70.81,-141.66 48.40 07/08/2023 21:10:39 70.69,-140.47 48.22 45.53 70
4 07/08/2023 22:00:02 -70.26, 26.55 132.19 07/08/2023 22:00:15 -70.25, 26.51 132.20 1.58 13
5 07/08/2023 22:50:46 70.13,-165.95 47.69 07/08/2023 22:49:42 70.15,-165.99 47.71 2.52 64
6 07/11/2023 13:26:16 70.34, -25.14 48.23 07/11/2023 13:27:16 70.34, -25.13 48.22 0.73 60
7 07/11/2023 14:16:58 -70.25, 142.31 131.86 07/11/2023 14:16:46 -70.23, 142.35 131.88 3.01 12
8 07/11/2023 15:07:31 69.55, -49.33 47.42 07/11/2023 15:06:22 69.63, -50.85 47.56 59.68 69
9 07/14/2023 05:43:11 70.29, 90.69 48.57 07/14/2023 05:43:47 70.29, 90.69 48.56 0.52 36
10 07/14/2023 06:33:53 -70.20,-101.85 131.53 07/14/2023 06:33:17 -70.18,-101.83 131.54 2.17 36
11 07/16/2023 21:09:32 -70.94, 38.10 130.33 07/16/2023 21:10:41 -70.83, 39.73 130.51 60.59 69
12 07/16/2023 22:00:05 70.25,-153.48 48.95 07/16/2023 22:00:17 70.23,-153.52 48.92 3.40 12
13 07/16/2023 22:50:47 -70.16, 13.98 131.14 07/16/2023 22:49:46 -70.18, 14.04 131.12 3.06 61

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/4/2023
SNOs_Map_NPP_LANDSAT-9_20230704.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9