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: 1/31/2023
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 02/01/2023 14:17:06 -70.18, 142.23 92.73 02/01/2023 14:17:39 -70.20, 142.23 92.72 2.01 33
2 02/01/2023 15:07:50 70.07, -50.29 87.15 02/01/2023 15:07:06 70.10, -50.27 87.18 3.55 44
3 02/04/2023 05:43:26 70.59, 90.04 86.94 02/04/2023 05:44:37 70.46, 90.83 86.76 33.19 71
4 02/04/2023 06:34:02 -70.18,-101.99 93.51 02/04/2023 06:34:10 -70.18,-101.93 93.51 2.11 8
5 02/04/2023 07:24:46 70.07, 65.49 86.37 02/04/2023 07:23:37 70.08, 65.57 86.38 3.00 69
6 02/06/2023 22:00:15 70.23,-153.61 85.75 02/06/2023 22:01:11 70.25,-153.60 85.75 1.82 56
7 02/06/2023 22:50:57 -70.13, 13.86 94.37 02/06/2023 22:50:41 -70.14, 13.88 94.36 1.15 16
8 02/06/2023 23:41:28 69.34,-177.65 84.79 02/06/2023 23:40:20 69.37,-179.53 84.91 73.92 68
9 02/09/2023 14:17:10 70.19, -37.77 84.86 02/09/2023 14:17:42 70.19, -37.81 84.85 1.77 32
10 02/09/2023 15:07:52 -70.09, 129.70 95.26 02/09/2023 15:07:12 -70.08, 129.67 95.27 1.71 40
11 02/12/2023 05:43:28 -70.68, -90.08 95.49 02/12/2023 05:44:38 -70.60, -88.98 95.63 41.62 70
12 02/12/2023 06:34:04 70.16, 78.06 83.95 02/12/2023 06:34:11 70.16, 78.02 83.95 1.25 7
13 02/12/2023 07:24:46 -70.06,-114.47 96.17 02/12/2023 07:23:41 -70.05,-114.49 96.16 0.91 65

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/31/2023
SNOs_Map_NPP_LANDSAT-9_20230131.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/31/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9