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: 5/24/2023
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 05/27/2023 04:52:52 -70.80, -77.37 130.51 05/27/2023 04:54:03 -70.69, -76.47 130.65 35.43 71
2 05/27/2023 05:43:29 70.33, 90.70 48.99 05/27/2023 05:43:35 70.32, 90.62 48.98 3.22 6
3 05/27/2023 06:34:11 -70.23,-101.84 131.11 05/27/2023 06:33:04 -70.25,-101.83 131.09 1.97 67
4 05/29/2023 21:09:37 -70.44, 38.99 131.32 05/29/2023 21:10:32 -70.42, 39.03 131.34 1.73 55
5 05/29/2023 22:00:21 70.33,-153.53 48.57 05/29/2023 21:59:59 70.32,-153.48 48.55 2.30 22
6 05/29/2023 22:50:49 -69.50, 15.04 132.30 05/29/2023 22:49:41 -69.55, 13.07 132.20 76.76 68
7 06/01/2023 13:26:29 -70.39, 154.84 131.75 06/01/2023 13:26:57 -70.41, 154.89 131.74 2.64 28
8 06/01/2023 14:17:13 70.29, -37.69 48.14 06/01/2023 14:16:24 70.30, -37.63 48.15 2.68 49
9 06/04/2023 04:52:40 70.51, 103.11 48.04 06/04/2023 04:53:52 70.47, 103.24 47.99 6.28 72
10 06/04/2023 05:43:21 -70.35, -89.33 132.13 06/04/2023 05:43:22 -70.36, -89.28 132.12 2.05 1
11 06/04/2023 06:34:03 70.15, 78.30 47.66 06/04/2023 06:32:50 70.19, 78.12 47.71 8.64 73
12 06/06/2023 21:09:31 70.42,-140.98 47.67 06/06/2023 21:10:17 70.40,-140.97 47.63 3.01 46
13 06/06/2023 22:00:13 -70.32, 26.50 132.45 06/06/2023 21:59:47 -70.29, 26.51 132.48 3.12 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/24/2023
SNOs_Map_NPP_LANDSAT-9_20230525.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9