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: 3/22/2023
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 03/24/2023 05:43:52 70.26, 90.59 68.91 03/24/2023 05:44:15 70.28, 90.59 68.93 2.73 23
2 03/24/2023 06:34:34 -70.17,-101.97 111.20 03/24/2023 06:33:45 -70.17,-101.94 111.20 1.00 49
3 03/26/2023 21:10:05 -70.36, 38.88 112.04 03/26/2023 21:11:14 -70.35, 38.93 112.06 1.93 69
4 03/26/2023 22:00:49 70.24,-153.61 67.83 03/26/2023 22:00:41 70.24,-153.59 67.83 1.11 8
5 03/26/2023 22:51:26 -69.89, 14.24 112.56 03/26/2023 22:50:14 -69.97, 13.66 112.45 23.87 72
6 03/29/2023 13:27:02 -70.29, 154.75 113.16 03/29/2023 13:27:41 -70.28, 154.71 113.18 2.63 39
7 03/29/2023 14:17:46 70.17, -37.75 66.71 03/29/2023 14:17:08 70.16, -37.81 66.70 2.42 38
8 04/01/2023 04:53:22 70.59, 102.73 66.13 04/01/2023 04:54:34 70.50, 103.29 66.00 23.39 72
9 04/01/2023 05:44:00 -70.29, -89.47 114.20 04/01/2023 05:44:06 -70.28, -89.40 114.22 3.16 6
10 04/01/2023 06:34:44 70.17, 78.02 65.66 04/01/2023 06:33:33 70.16, 78.08 65.66 2.69 71
11 04/03/2023 21:10:15 70.34,-141.10 64.83 04/03/2023 21:11:01 70.35,-141.03 64.83 2.72 46
12 04/03/2023 22:00:56 -70.19, 26.45 115.34 04/03/2023 22:00:32 -70.19, 26.37 115.34 3.03 24

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/22/2023
SNOs_Map_NPP_LANDSAT-9_20230322.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/22/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9