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: 9/1/2023
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 09/02/2023 21:59:51 70.22,-153.49 62.40 09/02/2023 22:00:37 70.24,-153.50 62.42 2.91 46
2 09/02/2023 22:50:33 -70.12, 13.97 117.69 09/02/2023 22:50:07 -70.13, 13.98 117.68 0.71 26
3 09/05/2023 14:16:44 70.21, -37.70 63.37 09/05/2023 14:17:07 70.22, -37.65 63.38 2.16 23
4 09/05/2023 15:07:26 -70.11, 129.76 116.72 09/05/2023 15:06:37 -70.11, 129.83 116.72 2.47 49
5 09/08/2023 05:42:56 -70.46, -89.64 115.39 09/08/2023 05:44:08 -70.38, -89.17 115.48 19.75 72
6 09/08/2023 06:33:36 70.15, 78.15 64.31 09/08/2023 06:33:37 70.17, 78.16 64.32 1.57 1
7 09/08/2023 07:24:18 -70.05,-114.38 115.79 09/08/2023 07:23:07 -70.06,-114.36 115.77 1.25 71
8 09/10/2023 21:59:44 -70.25, 26.46 114.60 09/10/2023 22:00:38 -70.26, 26.54 114.60 2.96 54
9 09/10/2023 22:50:27 70.10,-166.00 65.27 09/10/2023 22:50:06 70.09,-166.06 65.26 2.69 21
10 09/10/2023 23:40:56 -69.31, 2.48 115.53 09/10/2023 23:39:48 -69.33, 0.53 115.48 76.77 68
11 09/13/2023 14:16:36 -70.21, 142.30 113.63 09/13/2023 14:17:07 -70.22, 142.37 113.62 2.78 31
12 09/13/2023 15:07:19 70.06, -50.16 66.24 09/13/2023 15:06:35 70.05, -50.23 66.23 3.07 44

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/1/2023
SNOs_Map_NPP_LANDSAT-9_20230901.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9