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: 1/29/2023
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 01/29/2023 22:00:11 -70.21, 26.42 91.96 01/29/2023 22:01:08 -70.24, 26.41 91.94 3.37 57
2 01/29/2023 22:50:55 70.10,-166.10 87.92 01/29/2023 22:50:36 70.09,-166.16 87.91 2.56 19
3 01/29/2023 23:41:25 -69.37, 2.30 92.86 01/29/2023 23:40:16 -69.42, 0.56 92.73 68.23 69
4 02/01/2023 14:17:07 -70.20, 142.21 92.71 02/01/2023 14:17:40 -70.18, 142.20 92.74 2.20 33
5 02/01/2023 15:07:51 70.09, -50.32 87.17 02/01/2023 15:07:07 70.08, -50.30 87.16 1.33 44
6 02/04/2023 05:43:25 70.56, 90.09 86.91 02/04/2023 05:44:36 70.48, 90.87 86.79 30.43 71
7 02/04/2023 06:34:01 -70.15,-101.94 93.54 02/04/2023 06:34:10 -70.15,-101.97 93.54 1.41 9
8 02/04/2023 07:24:45 70.04, 65.54 86.34 02/04/2023 07:23:37 70.05, 65.53 86.36 1.01 68
9 02/06/2023 22:00:15 70.26,-153.65 85.78 02/06/2023 22:01:10 70.26,-153.57 85.77 2.87 55
10 02/06/2023 22:50:57 -70.15, 13.83 94.35 02/06/2023 22:50:40 -70.16, 13.91 94.35 3.00 17
11 02/06/2023 23:41:27 69.31,-177.61 84.76 02/06/2023 23:40:19 69.39,-179.51 84.92 75.12 68
12 02/09/2023 14:17:09 70.17, -37.73 84.84 02/09/2023 14:17:41 70.18, -37.81 84.85 3.38 32
13 02/09/2023 15:07:51 -70.06, 129.74 95.29 02/09/2023 15:07:11 -70.08, 129.67 95.27 3.21 40

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/29/2023
SNOs_Map_NPP_LANDSAT-9_20230129.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/29/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9