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: 3/1/2023
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 03/02/2023 22:00:09 -70.28, 26.41 102.66 03/02/2023 22:00:55 -70.28, 26.47 102.67 2.42 46
2 03/02/2023 22:50:53 70.17,-166.11 77.21 03/02/2023 22:50:22 70.18,-166.03 77.22 3.08 31
3 03/05/2023 13:26:34 71.08, -26.42 77.16 03/05/2023 13:27:41 71.01, -24.19 77.00 81.15 67
4 03/05/2023 14:17:02 -70.25, 142.24 103.73 03/05/2023 14:17:23 -70.24, 142.30 103.74 2.11 21
5 03/05/2023 15:07:46 70.14, -50.27 76.14 03/05/2023 15:06:50 70.14, -50.21 76.15 2.36 56
6 03/08/2023 05:43:13 70.32, 90.60 75.32 03/08/2023 05:44:20 70.32, 90.66 75.30 2.40 67
7 03/08/2023 06:33:55 -70.23,-101.94 104.80 03/08/2023 06:33:50 -70.21,-101.86 104.82 3.39 5
8 03/08/2023 07:24:33 69.80, 66.02 74.75 03/08/2023 07:23:21 69.88, 65.32 74.86 28.45 72
9 03/10/2023 22:00:05 70.26,-153.52 74.20 03/10/2023 22:00:47 70.25,-153.56 74.18 2.60 42
10 03/10/2023 22:50:47 -70.17, 13.95 105.92 03/10/2023 22:50:17 -70.14, 13.92 105.94 3.34 30
11 03/13/2023 13:26:26 -71.05, 153.68 106.02 03/13/2023 13:27:33 -70.95, 155.74 106.20 75.65 67
12 03/13/2023 14:16:56 70.22, -37.65 73.09 03/13/2023 14:17:11 70.23, -37.68 73.11 2.31 15
13 03/13/2023 15:07:38 -70.12, 129.82 107.03 03/13/2023 15:06:41 -70.13, 129.80 107.01 1.43 57

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/1/2023
SNOs_Map_NPP_LANDSAT-9_20230301.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9