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: 9/3/2024
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 09/04/2024 21:59:07 70.65,-154.35 63.87 09/04/2024 22:00:16 70.53,-153.05 63.71 50.00 69
2 09/04/2024 22:49:40 -70.08, 13.86 116.71 09/04/2024 22:49:52 -70.08, 13.93 116.72 2.60 12
3 09/04/2024 23:40:23 69.92,-178.59 63.14 09/04/2024 23:39:20 69.92,-178.65 63.15 2.31 63
4 09/07/2024 14:15:49 70.11, -37.72 64.31 09/07/2024 14:16:48 70.11, -37.76 64.30 1.54 59
5 09/07/2024 15:06:31 -70.01, 129.75 115.79 09/07/2024 15:06:18 -70.00, 129.71 115.81 2.36 13
6 09/07/2024 15:57:04 69.33, -61.94 63.52 09/07/2024 15:55:55 69.33, -63.55 63.57 63.32 69
7 09/10/2024 06:32:40 70.07, 78.13 65.27 09/10/2024 06:33:12 70.05, 78.06 65.24 3.59 32
8 09/10/2024 07:23:22 -69.96,-114.39 114.83 09/10/2024 07:22:41 -69.99,-114.39 114.81 2.86 41
9 09/12/2024 21:58:51 -70.40, 26.09 113.39 09/12/2024 22:00:03 -70.29, 26.68 113.52 25.33 72
10 09/12/2024 22:49:30 70.05,-166.05 66.26 09/12/2024 22:49:32 70.07,-165.99 66.28 3.06 2
11 09/12/2024 23:40:12 -69.94, 1.43 113.84 09/12/2024 23:39:02 -69.96, 1.48 113.82 2.82 70
12 09/15/2024 14:15:37 -70.13, 142.29 112.64 09/15/2024 14:16:26 -70.12, 142.36 112.66 3.03 49
13 09/15/2024 15:06:20 70.00, -50.19 67.23 09/15/2024 15:05:53 70.00, -50.16 67.24 1.37 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/3/2024
SNOs_Map_NPP_LANDSAT-9_20240903.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/03/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9