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: 12/9/2023
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 14:16:09 70.70, -38.50 93.54 12/10/2023 14:17:18 70.58, -37.14 93.40 51.76 69
2 12/10/2023 15:06:41 -70.09, 129.78 87.09 12/10/2023 15:06:55 -70.09, 129.77 87.09 0.31 14
3 12/10/2023 15:57:25 69.97, -62.73 92.80 12/10/2023 15:56:22 69.99, -62.73 92.81 1.83 63
4 12/13/2023 06:32:52 70.18, 78.10 93.22 12/13/2023 06:33:56 70.20, 78.17 93.24 3.63 64
5 12/13/2023 07:23:33 -70.04,-114.37 86.92 12/13/2023 07:23:27 -70.04,-114.42 86.92 2.12 6
6 12/13/2023 08:14:10 69.56, 53.66 92.59 12/13/2023 08:12:59 69.66, 52.69 92.71 39.53 71
7 12/15/2023 22:49:43 70.15,-166.06 93.34 12/15/2023 22:50:27 70.13,-166.06 93.33 1.35 44
8 12/15/2023 23:40:25 -70.05, 1.39 86.75 12/15/2023 23:39:57 -70.03, 1.43 86.78 2.99 28
9 12/18/2023 15:06:35 70.11, -50.24 93.42 12/18/2023 15:06:58 70.10, -50.23 93.40 1.81 23
10 12/18/2023 15:57:17 -70.02, 117.23 86.68 12/18/2023 15:56:28 -70.00, 117.26 86.71 2.69 49
11 12/21/2023 06:32:47 -70.40,-102.21 86.24 12/21/2023 06:33:59 -70.32,-101.68 86.34 21.76 72
12 12/21/2023 07:23:27 70.09, 65.58 93.44 12/21/2023 07:23:28 70.10, 65.64 93.45 2.47 1
13 12/21/2023 08:14:08 -69.94,-126.87 86.72 12/21/2023 08:12:59 -69.94,-126.94 86.71 2.85 69

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/9/2023
SNOs_Map_NPP_LANDSAT-9_20231209.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/09/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9