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: 4/15/2023
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 04/15/2023 22:25:05 69.73,-160.50 59.75 04/15/2023 22:26:14 69.72,-158.99 59.70 58.31 69
2 04/18/2023 13:02:27 70.42, -18.92 59.50 04/18/2023 13:01:50 70.42, -18.90 59.50 0.95 37
3 04/18/2023 13:51:57 -70.31, 148.55 120.63 04/18/2023 13:52:32 -70.33, 148.55 120.61 2.61 35
4 04/21/2023 04:29:18 -71.02, -69.79 120.84 04/21/2023 04:28:09 -71.08, -71.52 120.73 62.87 69
5 04/21/2023 05:18:54 70.42, 96.95 58.57 04/21/2023 05:18:42 70.40, 96.91 58.55 2.87 12
6 04/21/2023 06:08:24 -70.31, -95.58 121.56 04/21/2023 06:09:24 -70.31, -95.63 121.56 2.13 60
7 04/23/2023 20:45:53 -70.49, 45.29 122.26 04/23/2023 20:44:49 -70.49, 45.22 122.25 2.44 64
8 04/23/2023 21:35:20 70.38,-147.23 57.62 04/23/2023 21:35:33 70.38,-147.30 57.63 2.70 13
9 04/23/2023 22:24:57 -69.88, 19.70 122.87 04/23/2023 22:26:07 -69.87, 20.81 122.91 42.25 70
10 04/26/2023 13:02:20 -70.41, 161.06 123.21 04/26/2023 13:01:40 -70.43, 161.09 123.18 2.87 40
11 04/26/2023 13:51:46 70.35, -31.38 56.72 04/26/2023 13:52:24 70.33, -31.44 56.70 3.07 38
12 04/29/2023 04:29:08 70.89, 110.04 56.42 04/29/2023 04:27:58 70.96, 108.69 56.53 49.54 70
13 04/29/2023 05:18:45 -70.41, -83.06 124.07 04/29/2023 05:18:31 -70.39, -83.06 124.08 2.04 14
14 04/29/2023 06:08:12 70.29, 84.42 55.81 04/29/2023 06:09:15 70.29, 84.41 55.81 0.45 63

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_LANDSAT-8_NPP_20230416.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP