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: 6/8/2023
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 06/09/2023 13:26:23 70.42, -25.20 47.42 06/09/2023 13:27:04 70.39, -25.18 47.38 2.92 41
2 06/09/2023 14:17:04 -70.27, 142.34 132.74 06/09/2023 14:16:34 -70.28, 142.28 132.74 2.25 30
3 06/12/2023 04:52:45 -71.24, -78.09 131.92 06/12/2023 04:53:52 -71.14, -75.80 132.08 82.48 67
4 06/12/2023 05:43:15 70.40, 90.61 47.20 06/12/2023 05:43:31 70.38, 90.69 47.18 3.56 16
5 06/12/2023 06:33:56 -70.25,-101.85 132.95 06/12/2023 06:33:01 -70.27,-101.84 132.93 1.86 55
6 06/14/2023 21:09:21 -70.44, 39.01 132.90 06/14/2023 21:10:30 -70.46, 39.04 132.89 2.26 69
7 06/14/2023 22:00:05 70.34,-153.52 46.99 06/14/2023 21:59:57 70.35,-153.48 47.01 2.24 8
8 06/14/2023 22:50:43 -70.03, 14.27 133.33 06/14/2023 22:49:30 -70.08, 13.76 133.26 19.82 73
9 06/17/2023 13:26:12 -70.38, 154.87 133.05 06/17/2023 13:26:57 -70.41, 154.84 133.04 2.62 45
10 06/17/2023 14:16:56 70.28, -37.66 46.84 06/17/2023 14:16:24 70.29, -37.68 46.86 1.52 32
11 06/20/2023 04:52:35 71.17, 102.05 47.73 06/20/2023 04:53:42 71.09, 104.13 47.58 75.48 67
12 06/20/2023 05:43:04 -70.39, -89.35 133.10 06/20/2023 05:43:23 -70.38, -89.31 133.11 1.86 19
13 06/20/2023 06:33:48 70.29, 78.11 46.80 06/20/2023 06:32:50 70.27, 78.17 46.78 3.11 58

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/8/2023
SNOs_Map_NPP_LANDSAT-9_20230608.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9