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: 6/30/2024
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 06:32:14 -70.14,-101.83 133.02 06/30/2024 06:32:49 -70.16,-101.85 133.01 1.57 35
2 06/30/2024 07:22:59 70.07, 65.60 46.91 06/30/2024 07:22:16 70.06, 65.66 46.90 2.34 43
3 07/02/2024 21:58:38 70.57,-154.07 47.64 07/02/2024 21:59:49 70.47,-153.15 47.49 35.91 71
4 07/02/2024 22:49:13 -70.12, 13.96 132.84 07/02/2024 22:49:23 -70.14, 14.00 132.82 2.87 10
5 07/02/2024 23:39:57 69.99,-178.54 47.03 07/02/2024 23:38:51 69.99,-178.57 47.04 1.44 66
6 07/05/2024 14:15:30 70.20, -37.72 47.49 07/05/2024 14:16:27 70.20, -37.68 47.48 1.62 57
7 07/05/2024 15:06:11 -70.06, 129.80 132.65 07/05/2024 15:05:57 -70.09, 129.80 132.62 3.53 14
8 07/05/2024 15:56:43 69.35, -61.84 46.61 07/05/2024 15:55:34 69.38, -63.54 46.71 66.52 69
9 07/08/2024 06:32:27 70.15, 78.11 47.73 07/08/2024 06:32:59 70.16, 78.14 47.74 1.97 32
10 07/08/2024 07:23:09 -70.06,-114.45 132.36 07/08/2024 07:22:29 -70.06,-114.38 132.36 2.75 40
11 07/10/2024 21:58:49 -70.65, 25.75 131.40 07/10/2024 21:59:59 -70.53, 26.90 131.59 44.66 70
12 07/10/2024 22:49:25 70.11,-166.08 48.03 07/10/2024 22:49:32 70.09,-166.10 48.00 2.63 7
13 07/10/2024 23:40:06 -69.97, 1.45 132.11 07/10/2024 23:39:02 -69.99, 1.40 132.09 2.62 64
14 07/13/2024 14:15:39 -70.20, 142.22 131.49 07/13/2024 14:16:36 -70.20, 142.30 131.52 2.95 57
15 07/13/2024 15:06:23 70.08, -50.28 48.39 07/13/2024 15:06:03 70.08, -50.22 48.38 2.32 20

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/30/2024
SNOs_Map_NPP_LANDSAT-9_20240630.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/30/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9