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: 12/8/2023
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 12/10/2023 14:16:05 70.47, -38.13 93.30 12/10/2023 14:17:16 70.40, -37.39 93.22 28.62 71
2 12/10/2023 15:06:41 -70.07, 129.81 87.11 12/10/2023 15:06:50 -70.07, 129.76 87.11 1.91 9
3 12/10/2023 15:57:24 69.95, -62.70 92.78 12/10/2023 15:56:16 69.97, -62.74 92.79 2.20 68
4 12/13/2023 06:32:51 70.16, 78.13 93.20 12/13/2023 06:33:45 70.17, 78.17 93.20 1.72 54
5 12/13/2023 07:23:33 -70.07,-114.41 86.89 12/13/2023 07:23:15 -70.06,-114.36 86.91 2.74 18
6 12/13/2023 08:14:02 69.16, 54.22 92.19 12/13/2023 08:12:55 69.23, 52.16 92.28 81.89 67
7 12/15/2023 22:49:43 70.12,-166.03 93.32 12/15/2023 22:50:11 70.13,-165.99 93.33 2.04 28
8 12/15/2023 23:40:25 -70.03, 1.43 86.78 12/15/2023 23:39:41 -70.02, 1.49 86.78 2.35 44
9 12/18/2023 14:15:56 -70.46, 141.92 86.24 12/18/2023 14:17:07 -70.35, 142.58 86.36 27.28 71
10 12/18/2023 15:06:35 70.09, -50.20 93.39 12/18/2023 15:06:37 70.08, -50.17 93.38 1.86 2
11 12/18/2023 15:57:16 -69.94, 117.34 86.76 12/18/2023 15:56:07 -69.97, 117.31 86.73 3.26 69
12 12/21/2023 06:32:43 -70.16,-101.84 86.48 12/21/2023 06:33:35 -70.16,-101.79 86.49 1.83 52
13 12/21/2023 07:23:26 70.06, 65.62 93.42 12/21/2023 07:23:01 70.05, 65.69 93.40 2.97 25

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/8/2023
SNOs_Map_NPP_LANDSAT-9_20231208.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9