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: 1/31/2024
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 02/01/2024 22:49:59 70.13,-166.14 87.19 02/01/2024 22:50:27 70.11,-166.13 87.17 2.16 28
2 02/01/2024 23:40:40 -69.98, 1.41 92.98 02/01/2024 23:39:57 -69.99, 1.34 92.96 2.98 43
3 02/04/2024 14:16:15 -70.50, 141.74 93.18 02/04/2024 14:17:26 -70.41, 142.54 93.32 31.45 71
4 02/04/2024 15:06:53 70.08, -50.29 86.37 02/04/2024 15:06:57 70.09, -50.28 86.37 1.37 4
5 02/04/2024 15:57:35 -69.98, 117.17 93.75 02/04/2024 15:56:27 -69.98, 117.20 93.75 1.01 68
6 02/07/2024 06:33:02 -70.15,-101.93 94.37 02/07/2024 06:33:59 -70.15,-101.96 94.38 1.17 57
7 02/07/2024 07:23:46 70.04, 65.54 85.51 02/07/2024 07:23:26 70.05, 65.53 85.52 0.25 20
8 02/07/2024 08:14:16 -69.31,-126.07 95.27 02/07/2024 08:13:07 -69.33,-127.81 95.17 68.55 69
9 02/09/2024 22:49:56 -70.12, 13.89 95.25 02/09/2024 22:50:28 -70.13, 13.89 95.24 1.39 32
10 02/09/2024 23:40:40 70.02,-178.65 84.64 02/09/2024 23:39:55 70.02,-178.62 84.65 1.59 45
11 02/12/2024 14:16:13 70.46, -38.20 84.26 02/12/2024 14:17:24 70.35, -37.54 84.11 27.46 71
12 02/12/2024 15:06:50 -70.10, 129.69 96.14 02/12/2024 15:06:57 -70.08, 129.70 96.16 1.75 7
13 02/12/2024 15:57:34 70.00, -62.84 83.74 02/12/2024 15:56:24 69.97, -62.81 83.73 2.97 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/31/2024
SNOs_Map_NPP_LANDSAT-9_20240131.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/31/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9