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: 12/4/2022
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 04:57:10 -81.20,-132.53 72.52 12/07/2022 04:55:57 -81.20,-132.72 72.45 3.28 73
2 12/07/2022 05:47:54 81.20, 34.82 107.49 12/07/2022 05:46:43 81.20, 34.67 107.54 2.54 71
3 12/07/2022 06:38:20 -81.20,-157.64 72.53 12/07/2022 06:37:28 -81.20,-157.82 72.48 3.03 52
4 12/07/2022 07:29:04 81.20, 9.71 107.47 12/07/2022 07:28:14 81.20, 9.58 107.52 2.26 50
5 12/07/2022 08:19:30 -81.19, 177.25 72.55 12/07/2022 08:18:59 -81.20, 177.09 72.51 2.83 31
6 12/07/2022 09:10:14 81.20, -15.79 107.51 12/07/2022 09:09:45 81.20, -15.90 107.54 2.00 29
7 12/07/2022 10:00:40 -81.20, 151.76 72.51 12/07/2022 10:00:30 -81.20, 151.61 72.49 2.57 10
8 12/07/2022 10:51:24 81.20, -40.89 107.49 12/07/2022 10:51:16 81.20, -40.99 107.51 1.69 8
9 12/07/2022 11:41:50 -81.19, 126.66 72.53 12/07/2022 11:42:01 -81.20, 126.52 72.52 2.35 11
10 12/07/2022 12:32:34 81.19, -66.00 107.48 12/07/2022 12:32:47 81.20, -66.08 107.48 1.46 13
11 12/07/2022 13:23:01 -81.20, 101.17 72.50 12/07/2022 13:23:33 -81.20, 101.04 72.50 2.11 32
12 12/07/2022 14:13:45 81.20, -91.50 107.51 12/07/2022 14:14:19 81.20, -91.56 107.50 1.13 34
13 12/07/2022 15:04:11 -81.19, 76.06 72.51 12/07/2022 15:05:04 -81.20, 75.95 72.52 1.88 53
14 12/07/2022 15:54:55 81.19,-116.61 107.49 12/07/2022 15:55:50 81.20,-116.66 107.47 0.87 55

Figure of NOAA-21 and FY3D satellite orbits during SNOs since TLE Epoch: 12/4/2022
SNOs_Map_NOAA-21_FY3D_20221204.jpg

Download SNOs between NOAA-21 and FY3D since TLE EPOCH: 12/04/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and FY3D