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: 9/19/2023
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 09/21/2023 14:16:29 70.23, -37.72 69.48 09/21/2023 14:17:13 70.22, -37.65 69.47 2.55 44
2 09/21/2023 15:07:10 -70.08, 129.83 110.66 09/21/2023 15:06:43 -70.11, 129.82 110.64 3.23 27
3 09/24/2023 06:33:20 70.18, 78.14 70.46 09/24/2023 06:33:42 70.15, 78.13 70.43 3.14 22
4 09/24/2023 07:24:02 -70.08,-114.39 109.63 09/24/2023 07:23:11 -70.09,-114.32 109.61 3.36 51
5 09/26/2023 21:59:29 -70.39, 26.28 108.30 09/26/2023 22:00:40 -70.32, 26.62 108.38 14.75 71
6 09/26/2023 22:50:10 70.13,-166.01 71.46 09/26/2023 22:50:08 70.15,-165.98 71.47 2.26 2
7 09/26/2023 23:40:52 -70.03, 1.46 108.64 09/26/2023 23:39:38 -70.04, 1.50 108.62 2.18 74
8 09/29/2023 14:16:17 -70.19, 142.37 107.46 09/29/2023 14:17:09 -70.18, 142.31 107.48 2.93 52
9 09/29/2023 15:07:01 70.10, -50.18 72.46 09/29/2023 15:06:35 70.11, -50.13 72.48 2.56 26
10 09/29/2023 15:57:27 -69.14, 118.53 108.49 09/29/2023 15:56:20 -69.19, 116.23 108.43 90.95 67
11 10/02/2023 06:33:08 -70.16,-101.81 106.45 10/02/2023 06:33:35 -70.16,-101.81 106.45 0.14 27
12 10/02/2023 07:23:52 70.07, 65.64 73.48 10/02/2023 07:23:02 70.04, 65.66 73.45 3.04 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/19/2023
SNOs_Map_NPP_LANDSAT-9_20230919.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/19/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9