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: 11/18/2021
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 11/18/2021 10:09:31 71.45, 26.01 90.69 11/18/2021 10:09:54 71.43, 25.99 90.66 3.00 23
2 11/18/2021 11:00:13 -71.35,-166.49 89.41 11/18/2021 10:59:23 -71.36,-166.48 89.40 1.24 50
3 11/21/2021 00:46:14 71.68, 166.46 91.50 11/21/2021 00:47:25 71.62, 166.92 91.45 16.94 71
4 11/21/2021 01:36:54 -71.45, -25.82 88.72 11/21/2021 01:36:56 -71.45, -25.73 88.72 3.18 2
5 11/21/2021 02:27:37 71.20, 141.93 91.05 11/21/2021 02:26:25 71.25, 141.58 91.09 13.32 72
6 11/23/2021 16:13:50 -71.50, 114.89 88.12 11/23/2021 16:14:29 -71.49, 114.93 88.13 1.97 39
7 11/23/2021 17:04:36 71.40, -77.64 91.79 11/23/2021 17:03:56 71.38, -77.59 91.78 2.20 40
8 11/26/2021 06:51:04 -71.54,-104.48 87.57 11/26/2021 06:52:03 -71.51,-104.42 87.60 3.31 59
9 11/26/2021 07:41:50 71.43, 63.01 92.34 11/26/2021 07:41:30 71.41, 63.05 92.31 3.31 20
10 11/26/2021 08:32:19 -70.60,-128.26 88.48 11/26/2021 08:31:12 -70.65,-130.51 88.46 83.11 67
11 11/28/2021 21:28:34 -71.52, 36.19 87.12 11/28/2021 21:29:37 -71.53, 36.22 87.11 1.72 63
12 11/28/2021 22:19:20 71.41,-156.32 92.78 11/28/2021 22:19:04 71.42,-156.31 92.79 1.02 16
13 11/28/2021 23:09:52 -70.72, 12.19 87.90 11/28/2021 23:08:44 -70.78, 10.30 87.86 69.51 68
14 12/01/2021 12:06:21 -71.51, 176.78 86.72 12/01/2021 12:07:12 -71.49, 176.77 86.73 1.63 51
15 12/01/2021 12:57:07 71.39, -15.72 93.18 12/01/2021 12:56:39 71.38, -15.77 93.16 2.58 28

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/18/2021
SNOs_Map_FY3D_LANDSAT-8_20211118.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/18/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8