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: 2/24/2023
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 02/25/2023 13:26:36 -70.99, 153.69 99.88 02/25/2023 13:27:44 -70.92, 155.69 100.04 72.93 68
2 02/25/2023 14:17:07 70.20, -37.72 79.27 02/25/2023 14:17:22 70.22, -37.72 79.29 2.36 15
3 02/25/2023 15:07:49 -70.11, 129.74 100.84 02/25/2023 15:06:52 -70.10, 129.75 100.84 0.82 57
4 02/28/2023 05:43:16 -70.31, -89.41 101.61 02/28/2023 05:44:18 -70.30, -89.34 101.63 2.75 62
5 02/28/2023 06:33:59 70.14, 78.15 78.21 02/28/2023 06:33:46 70.14, 78.07 78.21 2.95 13
6 02/28/2023 07:24:33 -69.63,-113.76 102.35 02/28/2023 07:23:22 -69.70,-114.92 102.23 45.38 71
7 03/02/2023 22:00:09 -70.26, 26.45 102.69 03/02/2023 22:00:42 -70.25, 26.49 102.70 1.68 33
8 03/02/2023 22:50:53 70.15,-166.08 77.19 03/02/2023 22:50:09 70.14,-166.03 77.18 2.13 44
9 03/05/2023 13:26:23 70.48, -25.43 76.53 03/05/2023 13:27:34 70.39, -25.05 76.41 17.32 71
10 03/05/2023 14:17:02 -70.22, 142.29 103.76 03/05/2023 14:17:05 -70.22, 142.34 103.77 2.06 3
11 03/05/2023 15:07:45 70.06, -50.16 76.06 03/05/2023 15:06:33 70.05, -50.25 76.07 3.82 72
12 03/08/2023 05:43:13 70.29, 90.65 75.29 03/08/2023 05:43:58 70.27, 90.68 75.25 3.18 45
13 03/08/2023 06:33:54 -70.14,-101.80 104.89 03/08/2023 06:33:28 -70.16,-101.84 104.87 2.51 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/24/2023
SNOs_Map_NPP_LANDSAT-9_20230224.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9