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: 4/25/2020
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 04/26/2020 04:41:05 -70.59, -73.54 123.15 04/26/2020 04:41:49 -70.57, -73.58 123.18 2.71 44
2 04/26/2020 05:31:49 70.49, 93.93 56.74 04/26/2020 05:31:16 70.46, 93.90 56.71 3.28 33
3 04/28/2020 20:57:29 -70.60, 42.36 123.99 04/28/2020 20:58:16 -70.61, 42.36 123.98 1.86 47
4 04/28/2020 21:48:13 70.49,-150.17 55.89 04/28/2020 21:47:43 70.50,-150.16 55.90 0.76 30
5 05/01/2020 13:13:53 -70.60, 158.26 124.81 05/01/2020 13:14:44 -70.59, 158.21 124.82 1.98 51
6 05/01/2020 14:04:37 70.50, -34.26 55.08 05/01/2020 14:04:11 70.48, -34.32 55.06 2.76 26
7 05/01/2020 14:55:02 -69.54, 134.51 125.91 05/01/2020 14:53:56 -69.56, 132.02 125.85 96.97 66
8 05/04/2020 05:30:16 -70.60, -85.84 125.59 05/04/2020 05:31:10 -70.63, -85.86 125.57 2.83 54
9 05/04/2020 06:21:00 70.50, 81.64 54.30 05/04/2020 06:20:37 70.51, 81.61 54.31 1.44 23
10 05/04/2020 07:11:27 -69.65,-109.74 126.58 05/04/2020 07:10:20 -69.70,-111.91 126.50 83.91 67
11 05/06/2020 21:46:40 -70.61, 30.06 126.34 05/06/2020 21:47:38 -70.60, 29.98 126.35 3.03 58
12 05/06/2020 22:37:24 70.51,-162.47 53.55 05/06/2020 22:37:04 70.54,-162.47 53.58 3.42 20

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/25/2020
SNOs_Map_FY3D_LANDSAT-8_20200425.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/25/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service