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: 12/6/2023
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 12/07/2023 22:49:49 -70.12, 13.96 87.33 12/07/2023 22:50:23 -70.12, 13.94 87.33 0.72 34
2 12/07/2023 23:40:33 70.00,-178.55 92.56 12/07/2023 23:39:50 70.02,-178.56 92.57 1.87 43
3 12/10/2023 14:16:04 70.47, -38.13 93.30 12/10/2023 14:17:15 70.40, -37.40 93.21 28.57 71
4 12/10/2023 15:06:40 -70.07, 129.81 87.11 12/10/2023 15:06:49 -70.06, 129.75 87.12 2.41 9
5 12/10/2023 15:57:24 69.95, -62.70 92.78 12/10/2023 15:56:16 69.96, -62.75 92.78 1.97 68
6 12/13/2023 06:32:50 70.12, 78.20 93.16 12/13/2023 06:33:45 70.14, 78.13 93.17 3.48 55
7 12/13/2023 07:23:32 -70.03,-114.35 86.94 12/13/2023 07:23:15 -70.03,-114.40 86.94 1.97 17
8 12/13/2023 08:14:02 69.17, 54.21 92.20 12/13/2023 08:12:55 69.20, 52.12 92.25 82.63 67
9 12/15/2023 22:49:42 70.09,-165.98 93.29 12/15/2023 22:50:10 70.13,-166.00 93.32 3.47 28
10 12/15/2023 23:40:24 -70.00, 1.48 86.81 12/15/2023 23:39:40 -70.02, 1.48 86.79 1.89 44
11 12/18/2023 14:15:54 -70.39, 142.03 86.30 12/18/2023 14:17:06 -70.30, 142.52 86.40 20.84 72
12 12/18/2023 15:06:34 70.08, -50.18 93.38 12/18/2023 15:06:35 70.08, -50.16 93.38 0.73 1
13 12/18/2023 15:57:16 -69.98, 117.29 86.72 12/18/2023 15:56:05 -69.97, 117.32 86.73 1.63 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/6/2023
SNOs_Map_NPP_LANDSAT-9_20231206.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/06/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9