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: 2/1/2024
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 70.11,-166.10 87.17 02/01/2024 22:50:27 70.13,-166.10 87.19 2.50 28
2 02/01/2024 23:40:41 -70.01, 1.36 92.94 02/01/2024 23:39:57 -70.01, 1.37 92.94 0.31 44
3 02/04/2024 14:16:14 -70.48, 141.77 93.20 02/04/2024 14:17:26 -70.38, 142.49 93.35 29.14 72
4 02/04/2024 15:06:52 70.06, -50.26 86.34 02/04/2024 15:06:57 70.06, -50.33 86.34 2.47 5
5 02/04/2024 15:57:34 -69.96, 117.20 93.77 02/04/2024 15:56:27 -69.94, 117.15 93.78 3.07 67
6 02/07/2024 06:33:03 -70.18,-101.98 94.34 02/07/2024 06:33:59 -70.17,-101.93 94.36 2.00 56
7 02/07/2024 07:23:47 70.07, 65.49 85.55 02/07/2024 07:23:26 70.07, 65.57 85.54 2.96 21
8 02/07/2024 08:14:16 -69.29,-126.04 95.30 02/07/2024 08:13:07 -69.35,-127.78 95.15 68.98 69
9 02/09/2024 22:49:56 -70.09, 13.92 95.27 02/09/2024 22:50:29 -70.10, 13.85 95.27 2.98 33
10 02/09/2024 23:40:40 69.99,-178.61 84.61 02/09/2024 23:39:56 70.00,-178.66 84.63 1.85 44
11 02/12/2024 14:16:13 70.44, -38.16 84.23 02/12/2024 14:17:25 70.33, -37.57 84.09 24.78 72
12 02/12/2024 15:06:50 -70.07, 129.73 96.17 02/12/2024 15:06:58 -70.06, 129.67 96.19 3.05 8
13 02/12/2024 15:57:34 69.97, -62.80 83.71 02/12/2024 15:56:25 69.95, -62.84 83.71 2.72 69

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/1/2024
SNOs_Map_NPP_LANDSAT-9_20240201.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/01/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9