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: 4/14/2023
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 20:45:59 70.47,-134.74 60.49 04/15/2023 20:44:58 70.46,-134.74 60.49 0.55 61
2 04/15/2023 21:35:29 -70.36, 32.73 119.64 04/15/2023 21:35:40 -70.38, 32.71 119.61 2.84 11
3 04/15/2023 22:25:05 69.76,-160.47 59.78 04/15/2023 22:26:14 69.73,-159.00 59.71 56.72 69
4 04/18/2023 13:02:29 70.40, -18.96 59.48 04/18/2023 13:01:50 70.42, -18.91 59.50 2.98 39
5 04/18/2023 13:51:58 -70.35, 148.60 120.59 04/18/2023 13:52:32 -70.34, 148.55 120.60 2.33 34
6 04/21/2023 04:29:19 -71.15, -69.59 120.70 04/21/2023 04:28:11 -71.18, -71.69 120.62 75.67 68
7 04/21/2023 05:18:58 70.39, 96.90 58.54 04/21/2023 05:18:42 70.40, 96.91 58.55 0.58 16
8 04/21/2023 06:08:28 -70.29, -95.62 121.58 04/21/2023 06:09:24 -70.30, -95.63 121.56 1.98 56
9 04/23/2023 20:46:00 -70.49, 45.27 122.26 04/23/2023 20:44:50 -70.48, 45.24 122.26 1.59 70
10 04/23/2023 21:35:27 70.38,-147.25 57.63 04/23/2023 21:35:34 70.38,-147.29 57.63 1.49 7
11 04/23/2023 22:25:00 -70.11, 20.00 122.65 04/23/2023 22:26:12 -70.07, 20.50 122.70 19.54 72
12 04/26/2023 13:02:29 -70.43, 161.04 123.20 04/26/2023 13:01:40 -70.42, 161.11 123.20 2.67 49
13 04/26/2023 13:51:56 70.31, -31.48 56.68 04/26/2023 13:52:24 70.32, -31.42 56.69 2.29 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/14/2023
SNOs_Map_LANDSAT-8_NPP_20230414.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/14/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP