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: 11/6/2023
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 11/08/2023 14:16:13 70.20, -37.71 86.69 11/08/2023 14:17:20 70.19, -37.70 86.69 0.85 67
2 11/08/2023 15:06:54 -70.07, 129.81 93.43 11/08/2023 15:06:50 -70.08, 129.78 93.42 2.03 4
3 11/08/2023 15:57:33 69.67, -62.30 86.19 11/08/2023 15:56:21 69.76, -63.03 86.27 29.81 72
4 11/11/2023 06:33:06 70.14, 78.14 87.40 11/11/2023 06:33:49 70.12, 78.08 87.37 3.34 43
5 11/11/2023 07:23:48 -70.06,-114.41 92.68 11/11/2023 07:23:18 -70.07,-114.36 92.68 2.10 30
6 11/13/2023 21:59:30 -70.96, 25.30 91.07 11/13/2023 22:00:38 -70.85, 27.41 91.17 77.88 68
7 11/13/2023 22:50:00 70.10,-166.03 88.08 11/13/2023 22:50:17 70.09,-166.07 88.07 2.44 17
8 11/13/2023 23:40:42 -70.02, 1.42 92.00 11/13/2023 23:39:46 -70.04, 1.48 91.98 3.14 56
9 11/16/2023 14:16:10 -70.20, 142.28 91.15 11/16/2023 14:17:16 -70.21, 142.35 91.14 2.63 66
10 11/16/2023 15:06:54 70.08, -50.23 88.75 11/16/2023 15:06:43 70.10, -50.17 88.76 2.63 11
11 11/16/2023 15:57:30 -69.68, 117.69 91.65 11/16/2023 15:56:18 -69.72, 116.93 91.62 29.70 72
12 11/19/2023 06:33:03 -70.14,-101.85 90.56 11/19/2023 06:33:42 -70.15,-101.84 90.55 1.29 39
13 11/19/2023 07:23:47 70.03, 65.63 89.34 11/19/2023 07:23:09 70.03, 65.64 89.34 0.95 38

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/6/2023
SNOs_Map_NPP_LANDSAT-9_20231106.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/06/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9