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: 2/2/2023
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 02/04/2023 05:43:26 70.57, 90.07 86.92 02/04/2023 05:44:37 70.47, 90.85 86.77 31.18 71
2 02/04/2023 06:34:02 -70.16,-101.96 93.53 02/04/2023 06:34:11 -70.14,-102.00 93.56 3.22 9
3 02/04/2023 07:24:46 70.05, 65.52 86.35 02/04/2023 07:23:38 70.04, 65.51 86.34 1.75 68
4 02/06/2023 22:00:15 70.26,-153.66 85.78 02/06/2023 22:01:10 70.26,-153.58 85.76 2.74 55
5 02/06/2023 22:50:57 -70.16, 13.81 94.34 02/06/2023 22:50:40 -70.15, 13.89 94.36 3.50 17
6 02/06/2023 23:41:27 69.31,-177.61 84.76 02/06/2023 23:40:19 69.38,-179.52 84.91 75.12 68
7 02/09/2023 14:17:10 70.22, -37.81 84.89 02/09/2023 14:17:41 70.19, -37.81 84.85 3.33 31
8 02/09/2023 15:07:51 -70.06, 129.74 95.29 02/09/2023 15:07:11 -70.08, 129.67 95.26 3.24 40
9 02/12/2023 05:43:28 -70.65, -90.03 95.52 02/12/2023 05:44:39 -70.54, -89.07 95.69 37.55 71
10 02/12/2023 06:34:05 70.18, 78.03 83.97 02/12/2023 06:34:11 70.15, 78.02 83.95 2.71 6
11 02/12/2023 07:24:47 -70.08,-114.50 96.15 02/12/2023 07:23:41 -70.05,-114.50 96.17 2.81 66
12 02/14/2023 22:00:16 -70.24, 26.39 96.85 02/14/2023 22:01:13 -70.27, 26.42 96.84 2.87 57
13 02/14/2023 22:51:00 70.14,-166.14 83.03 02/14/2023 22:50:40 70.16,-166.10 83.05 2.04 20

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/2/2023
SNOs_Map_NPP_LANDSAT-9_20230202.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9