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: 6/29/2023
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 06/30/2023 21:09:25 -70.80, 38.40 132.35 06/30/2023 21:10:35 -70.70, 39.53 132.51 43.27 70
2 06/30/2023 22:00:01 70.26,-153.43 47.09 06/30/2023 22:00:08 70.27,-153.46 47.09 1.30 7
3 06/30/2023 22:50:43 -70.18, 14.02 133.01 06/30/2023 22:49:38 -70.16, 14.02 133.01 1.87 65
4 07/03/2023 13:26:12 -70.37, 154.86 132.62 07/03/2023 13:27:14 -70.34, 154.87 132.65 2.64 62
5 07/03/2023 14:16:56 70.25, -37.65 47.27 07/03/2023 14:16:41 70.24, -37.63 47.26 0.77 15
6 07/03/2023 15:07:29 -69.68, 130.52 133.32 07/03/2023 15:06:18 -69.75, 129.31 133.21 47.27 71
7 07/06/2023 05:43:07 -70.30, -89.28 132.44 07/06/2023 05:43:48 -70.29, -89.34 132.45 2.31 41
8 07/06/2023 06:33:51 70.18, 78.21 47.45 07/06/2023 06:33:15 70.19, 78.16 47.45 2.06 36
9 07/08/2023 21:09:33 71.01,-142.00 48.61 07/08/2023 21:10:41 70.92,-140.15 48.44 67.71 68
10 07/08/2023 22:00:03 -70.29, 26.49 132.15 07/08/2023 22:00:21 -70.27, 26.51 132.18 2.43 18
11 07/08/2023 22:50:47 70.18,-166.02 47.73 07/08/2023 22:49:48 70.16,-166.00 47.73 1.68 59
12 07/11/2023 13:26:16 70.33, -25.13 48.23 07/11/2023 13:27:24 70.33, -25.17 48.21 1.60 68
13 07/11/2023 14:16:58 -70.24, 142.33 131.87 07/11/2023 14:16:54 -70.23, 142.32 131.88 1.40 4
14 07/11/2023 15:07:37 69.86, -49.78 47.74 07/11/2023 15:06:25 69.90, -50.51 47.81 28.01 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2023
SNOs_Map_NPP_LANDSAT-9_20230629.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/29/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9