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: 4/23/2020
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 04/23/2020 12:24:41 -70.56, 170.61 122.31 04/23/2020 12:25:22 -70.57, 170.53 122.31 2.89 41
2 04/23/2020 13:15:25 70.46, -21.92 57.58 04/23/2020 13:14:49 70.46, -21.98 57.58 2.15 36
3 04/26/2020 04:41:06 -70.61, -73.57 123.13 04/26/2020 04:41:49 -70.61, -73.52 123.14 1.79 43
4 04/26/2020 05:31:50 70.51, 93.90 56.76 04/26/2020 05:31:16 70.50, 93.96 56.75 2.47 34
5 04/28/2020 20:57:29 -70.61, 42.33 123.98 04/28/2020 20:58:16 -70.60, 42.33 124.00 1.59 47
6 04/28/2020 21:48:13 70.51,-150.19 55.91 04/28/2020 21:47:43 70.48,-150.19 55.88 3.26 30
7 05/01/2020 13:13:53 -70.61, 158.24 124.79 05/01/2020 13:14:43 -70.64, 158.27 124.78 2.63 50
8 05/01/2020 14:04:37 70.51, -34.29 55.10 05/01/2020 14:04:10 70.52, -34.26 55.10 1.21 27
9 05/01/2020 14:55:02 -69.56, 134.49 125.89 05/01/2020 14:53:55 -69.60, 132.07 125.81 93.98 67
10 05/04/2020 05:30:17 -70.62, -85.86 125.58 05/04/2020 05:31:11 -70.62, -85.88 125.58 0.86 54
11 05/04/2020 06:21:01 70.52, 81.61 54.31 05/04/2020 06:20:38 70.49, 81.58 54.29 2.61 23
12 05/04/2020 07:11:28 -69.67,-109.76 126.57 05/04/2020 07:10:20 -69.74,-111.86 126.46 81.13 68
13 05/06/2020 21:46:41 -70.62, 30.04 126.33 05/06/2020 21:47:38 -70.65, 30.04 126.31 2.76 57
14 05/06/2020 22:37:25 70.52,-162.49 53.56 05/06/2020 22:37:05 70.52,-162.49 53.57 0.45 20

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/23/2020
SNOs_Map_FY3D_LANDSAT-8_20200423.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/23/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service