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: 9/24/2023
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 09/24/2023 05:42:53 -71.20, -90.84 108.50 09/24/2023 05:43:59 -71.08, -88.11 108.65 98.90 66
2 09/24/2023 06:33:19 70.16, 78.17 70.44 09/24/2023 06:33:41 70.16, 78.15 70.45 1.23 22
3 09/24/2023 07:24:01 -70.06,-114.37 109.64 09/24/2023 07:23:11 -70.05,-114.38 109.66 1.77 50
4 09/26/2023 21:59:29 -70.37, 26.30 108.31 09/26/2023 22:00:40 -70.32, 26.62 108.37 13.34 71
5 09/26/2023 22:50:10 70.11,-165.98 71.44 09/26/2023 22:50:09 70.11,-166.04 71.43 2.50 1
6 09/26/2023 23:40:52 -70.02, 1.48 108.65 09/26/2023 23:39:39 -69.99, 1.43 108.67 3.19 73
7 09/29/2023 14:16:17 -70.18, 142.39 107.47 09/29/2023 14:17:09 -70.18, 142.31 107.47 2.88 52
8 09/29/2023 15:07:01 70.08, -50.15 72.45 09/29/2023 15:06:36 70.07, -50.20 72.43 2.39 25
9 09/29/2023 15:57:27 -69.13, 118.54 108.50 09/29/2023 15:56:20 -69.19, 116.23 108.43 91.62 67
10 10/02/2023 06:33:08 -70.15,-101.79 106.46 10/02/2023 06:33:35 -70.16,-101.81 106.45 1.30 27
11 10/02/2023 07:23:52 70.05, 65.67 73.46 10/02/2023 07:23:02 70.05, 65.67 73.45 0.65 50
12 10/04/2023 21:59:18 70.35,-153.63 74.76 10/04/2023 22:00:28 70.33,-153.31 74.74 12.13 70
13 10/04/2023 22:49:58 -70.14, 14.01 105.44 10/04/2023 22:50:00 -70.11, 14.02 105.47 2.64 2
14 10/04/2023 23:40:40 69.94,-178.37 74.37 10/04/2023 23:39:28 69.94,-178.58 74.38 8.16 72
15 10/07/2023 14:16:06 70.18, -37.59 75.63 10/07/2023 14:16:55 70.19, -37.61 75.62 0.74 49
16 10/07/2023 15:06:48 -70.08, 129.89 104.47 10/07/2023 15:06:25 -70.08, 129.87 104.47 0.70 23

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/24/2023
SNOs_Map_NPP_LANDSAT-9_20230924.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9