Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/30/2022
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Distance(km) Time Diff (sec)
1 12/07/2022 04:57:08 -81.20,-132.27 72.55 12/07/2022 04:55:56 -81.20,-132.32 72.51 0.86 72
2 12/07/2022 05:47:52 81.20, 35.02 107.46 12/07/2022 05:46:42 81.20, 35.05 107.50 0.61 70
3 12/07/2022 06:38:19 -81.20,-157.77 72.51 12/07/2022 06:37:28 -81.20,-157.80 72.48 0.48 51
4 12/07/2022 07:29:03 81.21, 9.51 107.50 12/07/2022 07:28:14 81.20, 9.57 107.52 0.96 49
5 12/07/2022 08:19:29 -81.20, 177.11 72.53 12/07/2022 08:18:59 -81.20, 177.11 72.51 0.19 30
6 12/07/2022 09:10:13 81.20, -15.60 107.49 12/07/2022 09:09:45 81.20, -15.52 107.49 1.35 28
7 12/07/2022 10:00:40 -81.20, 151.62 72.49 12/07/2022 10:00:31 -81.20, 151.63 72.49 0.45 9
8 12/07/2022 10:51:24 81.21, -41.10 107.52 12/07/2022 10:51:17 81.20, -41.00 107.51 1.80 7
9 12/07/2022 11:41:49 -81.20, 126.50 72.51 12/07/2022 11:42:01 -81.20, 126.54 72.52 0.65 12
10 12/07/2022 12:32:33 81.20, -66.22 107.51 12/07/2022 12:32:47 81.20, -66.09 107.48 2.17 14
11 12/07/2022 13:22:59 -81.19, 101.39 72.52 12/07/2022 13:23:32 -81.20, 101.45 72.55 1.07 33
12 12/07/2022 14:13:43 81.20, -91.34 107.49 12/07/2022 14:14:18 81.20, -91.18 107.45 2.59 35
13 12/07/2022 15:04:10 -81.20, 75.89 72.49 12/07/2022 15:05:04 -81.20, 75.97 72.53 1.39 54
14 12/07/2022 15:54:54 81.20,-116.84 107.53 12/07/2022 15:55:50 81.20,-116.66 107.48 3.01 56

Figure of NOAA-21 and FY3D satellite orbits during SNOs since TLE Epoch: 11/30/2022
SNOs_Map_NOAA-21_FY3D_20221130.jpg

Download SNOs between NOAA-21 and FY3D since TLE EPOCH: 11/30/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and FY3D