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: 3/20/2023
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 03/21/2023 22:30:12 72.78,-157.10 72.27 03/21/2023 22:30:39 72.78,-157.12 72.27 0.43 27
2 03/21/2023 23:20:55 -72.72, 10.34 107.81 03/21/2023 23:20:08 -72.71, 10.38 107.82 1.57 47
3 03/24/2023 13:06:53 73.57, -17.95 72.06 03/24/2023 13:07:59 73.45, -15.17 71.91 88.89 66
4 03/24/2023 13:57:22 -72.81, 151.07 108.75 03/24/2023 13:57:39 -72.80, 151.16 108.76 3.20 17
5 03/24/2023 14:48:07 72.69, -41.38 71.13 03/24/2023 14:47:06 72.71, -41.37 71.14 1.41 61
6 03/27/2023 04:33:55 -73.22, -68.89 109.36 03/27/2023 04:35:05 -73.12, -67.59 109.46 43.10 70
7 03/27/2023 05:24:33 72.76, 99.42 70.16 03/27/2023 05:24:37 72.76, 99.35 70.17 2.56 4
8 03/27/2023 06:15:16 -72.69, -93.13 109.92 03/27/2023 06:14:06 -72.70, -93.14 109.91 0.67 70
9 03/29/2023 20:00:58 72.83,-119.81 69.22 03/29/2023 20:02:06 72.84,-119.89 69.22 2.96 68
10 03/29/2023 20:51:41 -72.77, 47.65 110.86 03/29/2023 20:51:35 -72.77, 47.62 110.86 1.20 6
11 03/29/2023 21:42:18 72.25,-143.99 68.61 03/29/2023 21:41:09 72.30,-145.62 68.66 55.53 69
12 04/01/2023 11:28:07 -72.86,-171.61 111.78 04/01/2023 11:29:04 -72.87,-171.58 111.77 1.73 57
13 04/01/2023 12:18:52 72.75, -4.07 68.10 04/01/2023 12:18:31 72.77, -4.13 68.12 2.90 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_FY3D_LANDSAT-8_20230320.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 03/20/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8