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: 4/25/2024
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 04/27/2024 05:42:35 70.45, 90.19 56.39 04/27/2024 05:43:47 70.34, 90.68 56.26 21.99 72
2 04/27/2024 06:33:13 -70.15,-102.02 123.94 04/27/2024 06:33:19 -70.13,-102.00 123.96 2.77 6
3 04/27/2024 07:23:57 70.04, 65.46 55.94 04/27/2024 07:22:46 70.02, 65.49 55.92 2.48 71
4 04/29/2024 21:59:24 70.19,-153.63 55.28 04/29/2024 22:00:18 70.19,-153.66 55.28 1.20 54
5 04/29/2024 22:50:06 -70.10, 13.83 124.83 04/29/2024 22:49:48 -70.09, 13.83 124.84 0.85 18
6 04/29/2024 23:40:35 69.19,-177.53 54.23 04/29/2024 23:39:28 69.26,-179.66 54.35 84.45 67
7 05/02/2024 14:16:16 70.16, -37.81 54.44 05/02/2024 14:16:45 70.14, -37.86 54.42 3.32 29
8 05/02/2024 15:06:58 -70.06, 129.66 125.67 05/02/2024 15:06:15 -70.03, 129.63 125.70 3.14 43
9 05/05/2024 05:42:30 -70.51, -89.88 125.97 05/05/2024 05:43:41 -70.40, -89.23 126.09 26.79 71
10 05/05/2024 06:33:09 70.14, 77.99 53.65 05/05/2024 06:33:11 70.12, 78.00 53.63 2.94 2
11 05/05/2024 07:23:51 -70.04,-114.53 126.47 05/05/2024 07:22:41 -70.02,-114.51 126.49 2.82 70
12 05/07/2024 21:59:17 -70.19, 26.39 127.03 05/07/2024 22:00:09 -70.21, 26.37 127.02 1.96 52
13 05/07/2024 22:50:01 70.09,-166.15 52.86 05/07/2024 22:49:36 70.08,-166.15 52.85 1.16 25

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/25/2024
SNOs_Map_NPP_LANDSAT-9_20240425.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/25/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9