Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/12/2021
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 12/12/2021 04:23:19 71.50, 112.63 94.48 12/12/2021 04:23:49 71.48, 112.57 94.46 3.21 30
2 12/12/2021 05:14:02 -71.41, -79.91 85.60 12/12/2021 05:13:18 -71.41, -79.90 85.60 0.35 44
3 12/14/2021 19:50:29 -71.53, 60.80 85.32 12/14/2021 19:50:52 -71.50, 60.85 85.35 3.26 23
4 12/14/2021 20:41:13 71.38,-131.64 94.54 12/14/2021 20:40:19 71.40,-131.67 94.56 2.43 54
5 12/17/2021 10:27:07 -72.26,-159.66 84.47 12/17/2021 10:28:14 -72.18,-157.39 84.56 77.48 67
6 12/17/2021 11:17:39 71.51, 9.06 94.78 12/17/2021 11:17:52 71.49, 9.06 94.75 2.55 13
7 12/17/2021 12:08:22 -71.41, 176.54 85.32 12/17/2021 12:07:21 -71.43, 176.61 85.31 2.92 61
8 12/20/2021 01:54:11 71.89, 149.27 95.23 12/20/2021 01:55:22 71.78, 150.16 95.11 33.43 71
9 12/20/2021 02:44:48 -71.48, -42.66 85.20 12/20/2021 02:44:55 -71.51, -42.66 85.17 3.55 7
10 12/20/2021 03:35:33 71.40, 124.78 94.73 12/20/2021 03:34:22 71.40, 124.81 94.73 1.09 71
11 12/22/2021 17:21:16 -71.65, 97.94 85.02 12/22/2021 17:22:28 -71.64, 98.16 85.03 7.57 72
12 12/22/2021 18:11:59 71.48, -94.44 94.81 12/22/2021 18:11:56 71.48, -94.46 94.81 0.94 3
13 12/22/2021 19:02:40 -71.26, 73.26 85.41 12/22/2021 19:01:27 -71.32, 72.91 85.35 13.92 73
14 12/25/2021 08:48:25 71.56, 46.34 94.85 12/25/2021 08:49:30 71.55, 46.26 94.84 3.00 65
15 12/25/2021 09:39:09 -71.49,-146.23 85.23 12/25/2021 09:38:59 -71.50,-146.19 85.22 1.67 10

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 12/12/2021
SNOs_Map_FY3D_LANDSAT-8_20211212.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 12/12/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8