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: 9/21/2023
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 09/21/2023 14:16:29 70.22, -37.70 69.47 09/21/2023 14:17:13 70.23, -37.64 69.48 2.92 44
2 09/21/2023 15:07:11 -70.12, 129.77 110.62 09/21/2023 15:06:43 -70.12, 129.83 110.63 2.47 28
3 09/24/2023 05:42:53 -71.21, -90.84 108.50 09/24/2023 05:43:59 -71.08, -88.11 108.66 99.04 66
4 09/24/2023 06:33:19 70.16, 78.17 70.45 09/24/2023 06:33:41 70.16, 78.14 70.44 1.00 22
5 09/24/2023 07:24:01 -70.07,-114.37 109.64 09/24/2023 07:23:11 -70.05,-114.38 109.66 2.03 50
6 09/26/2023 21:59:29 -70.38, 26.30 108.31 09/26/2023 22:00:40 -70.32, 26.62 108.37 13.53 71
7 09/26/2023 22:50:10 70.12,-165.99 71.45 09/26/2023 22:50:09 70.10,-166.05 71.43 2.89 1
8 09/26/2023 23:40:52 -70.02, 1.48 108.65 09/26/2023 23:39:39 -69.99, 1.43 108.67 3.22 73
9 09/29/2023 14:16:17 -70.18, 142.38 107.47 09/29/2023 14:17:09 -70.18, 142.31 107.47 2.71 52
10 09/29/2023 15:07:01 70.08, -50.16 72.45 09/29/2023 15:06:36 70.06, -50.21 72.43 2.88 25
11 09/29/2023 15:57:27 -69.13, 118.54 108.50 09/29/2023 15:56:20 -69.19, 116.24 108.43 91.44 67
12 10/02/2023 06:33:08 -70.16,-101.80 106.46 10/02/2023 06:33:35 -70.16,-101.81 106.45 1.09 27
13 10/02/2023 07:23:52 70.06, 65.66 73.47 10/02/2023 07:23:02 70.05, 65.67 73.45 1.60 50
14 10/04/2023 21:59:17 70.30,-153.55 74.72 10/04/2023 22:00:29 70.27,-153.39 74.68 6.98 72
15 10/04/2023 22:49:58 -70.14, 14.01 105.44 10/04/2023 22:50:00 -70.11, 14.02 105.47 2.92 2
16 10/04/2023 23:40:40 69.94,-178.38 74.38 10/04/2023 23:39:27 69.99,-178.51 74.43 7.60 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/21/2023
SNOs_Map_NPP_LANDSAT-9_20230921.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/21/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9