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: 4/5/2024
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 04/05/2024 21:59:27 -70.48, 25.97 116.09 04/05/2024 22:00:39 -70.36, 26.55 116.23 24.82 72
2 04/05/2024 22:50:07 70.14,-166.19 63.55 04/05/2024 22:50:08 70.15,-166.12 63.56 3.09 1
3 04/05/2024 23:40:48 -70.01, 1.32 116.60 04/05/2024 23:39:39 -69.98, 1.28 116.62 3.01 69
4 04/08/2024 14:16:18 -70.19, 142.18 117.39 04/08/2024 14:17:10 -70.20, 142.19 117.39 0.85 52
5 04/08/2024 15:07:02 70.07, -50.32 62.47 04/08/2024 15:06:37 70.09, -50.33 62.49 2.40 25
6 04/08/2024 15:57:28 -69.14, 118.35 118.51 04/08/2024 15:56:21 -69.21, 116.12 118.37 88.65 67
7 04/11/2024 05:42:47 71.10, 89.14 62.59 04/11/2024 05:43:53 71.04, 91.70 62.45 92.61 66
8 04/11/2024 06:33:13 -70.18,-102.04 118.40 04/11/2024 06:33:37 -70.17,-101.97 118.41 2.68 24
9 04/11/2024 07:23:57 70.06, 65.45 61.47 04/11/2024 07:23:04 70.06, 65.51 61.47 2.34 53
10 04/13/2024 21:59:26 70.21,-153.64 60.68 04/13/2024 22:00:35 70.23,-153.65 60.68 1.52 69
11 04/13/2024 22:50:08 -70.12, 13.81 119.44 04/13/2024 22:50:05 -70.12, 13.84 119.44 1.15 3
12 04/13/2024 23:40:47 69.74,-178.31 60.16 04/13/2024 23:39:35 69.84,-178.91 60.28 25.79 72
13 04/16/2024 14:16:21 70.17, -37.81 59.67 04/16/2024 14:17:03 70.15, -37.87 59.65 3.01 42
14 04/16/2024 15:07:03 -70.07, 129.65 120.45 04/16/2024 15:06:33 -70.05, 129.62 120.46 2.62 30

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/5/2024
SNOs_Map_NPP_LANDSAT-9_20240405.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/05/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9