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: 6/29/2024
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 06/30/2024 06:32:15 -70.19,-101.89 132.97 06/30/2024 06:32:49 -70.16,-101.84 133.01 3.25 34
2 06/30/2024 07:22:59 70.06, 65.61 46.90 06/30/2024 07:22:16 70.07, 65.67 46.91 2.37 43
3 07/02/2024 21:58:38 70.57,-154.06 47.63 07/02/2024 21:59:49 70.47,-153.16 47.49 35.11 71
4 07/02/2024 22:49:13 -70.11, 13.97 132.85 07/02/2024 22:49:23 -70.14, 14.00 132.82 3.34 10
5 07/02/2024 23:39:57 69.99,-178.53 47.02 07/02/2024 23:38:51 69.99,-178.58 47.03 1.95 66
6 07/05/2024 14:15:29 70.19, -37.71 47.48 07/05/2024 14:16:26 70.18, -37.71 47.46 0.99 57
7 07/05/2024 15:06:10 -70.05, 129.82 132.66 07/05/2024 15:05:56 -70.08, 129.78 132.64 3.01 14
8 07/05/2024 15:56:42 69.29, -61.75 46.54 07/05/2024 15:55:34 69.36, -63.56 46.69 71.37 68
9 07/08/2024 06:32:27 70.14, 78.12 47.72 07/08/2024 06:32:59 70.12, 78.08 47.70 2.43 32
10 07/08/2024 07:23:08 -70.00,-114.35 132.42 07/08/2024 07:22:29 -70.02,-114.43 132.40 3.45 39
11 07/10/2024 21:58:48 -70.59, 25.85 131.47 07/10/2024 21:59:59 -70.46, 26.81 131.65 38.41 71
12 07/10/2024 22:49:25 70.10,-166.07 48.02 07/10/2024 22:49:30 70.13,-166.03 48.04 3.26 5
13 07/10/2024 23:40:06 -69.96, 1.46 132.12 07/10/2024 23:39:01 -69.97, 1.38 132.10 3.12 65

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2024
SNOs_Map_NPP_LANDSAT-9_20240629.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/29/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9