Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/31/2023
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/02/2023 13:02:42 70.36, -19.02 65.36 04/02/2023 13:01:46 70.36, -19.02 65.37 0.38 56
2 04/02/2023 13:52:12 -70.25, 148.45 114.77 04/02/2023 13:52:27 -70.23, 148.51 114.79 3.01 15
3 04/02/2023 14:41:52 69.42, -45.04 64.43 04/02/2023 14:42:59 69.47, -43.04 64.41 78.51 67
4 04/05/2023 05:19:08 70.34, 96.84 64.31 04/05/2023 05:18:43 70.35, 96.78 64.32 2.17 25
5 04/05/2023 06:08:38 -70.23, -95.69 115.82 04/05/2023 06:09:24 -70.21, -95.68 115.84 2.04 46
6 04/07/2023 20:46:06 -70.38, 45.14 116.66 04/07/2023 20:44:54 -70.41, 45.15 116.62 3.43 72
7 04/07/2023 21:35:33 70.27,-147.38 63.22 04/07/2023 21:35:38 70.29,-147.36 63.25 2.78 5
8 04/07/2023 22:25:05 -70.05, 19.94 117.01 04/07/2023 22:26:17 -70.04, 20.34 117.03 15.34 72
9 04/10/2023 13:02:30 -70.37, 161.02 117.67 04/10/2023 13:01:50 -70.36, 161.00 117.67 0.97 40
10 04/10/2023 13:51:57 70.25, -31.50 62.21 04/10/2023 13:52:34 70.25, -31.51 62.20 0.74 37
11 04/13/2023 04:29:21 70.58, 109.59 61.56 04/13/2023 04:28:09 70.69, 108.93 61.70 27.25 72
12 04/13/2023 05:18:54 -70.31, -83.17 118.72 04/13/2023 05:18:46 -70.33, -83.18 118.69 2.47 8
13 04/13/2023 06:08:21 70.19, 84.30 61.16 04/13/2023 06:09:30 70.22, 84.31 61.18 3.24 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2023
SNOs_Map_LANDSAT-8_NPP_20230331.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/31/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP