Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2026
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/22/2026 07:29:44 -79.43,-114.79 112.86 04/22/2026 07:30:50 -79.33,-111.52 112.97 68.08 66
2 04/22/2026 08:20:20 79.13, 55.04 66.83 04/22/2026 08:20:12 79.14, 55.01 66.83 0.78 8
3 04/24/2026 17:50:50 79.17, -87.84 66.07 04/24/2026 17:51:49 79.15, -87.90 66.04 3.54 59
4 04/24/2026 18:41:33 -79.15, 79.68 113.97 04/24/2026 18:41:09 -79.14, 79.75 113.98 1.77 24
5 04/27/2026 04:12:02 -79.16, -62.95 114.73 04/27/2026 04:12:45 -79.19, -62.95 114.70 3.11 43
6 04/27/2026 05:02:47 79.15, 104.45 65.25 04/27/2026 05:02:03 79.15, 104.49 65.25 0.92 44
7 04/29/2026 14:33:16 79.16, -38.20 64.51 04/29/2026 14:33:39 79.18, -38.28 64.53 2.53 23
8 04/29/2026 15:23:59 -79.14, 129.32 115.53 04/29/2026 15:23:00 -79.15, 129.18 115.52 3.04 59
9 05/02/2026 00:54:29 -79.19, -13.60 116.21 05/02/2026 00:54:36 -79.17, -13.62 116.22 1.37 7

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2026
SNOs_Map_FY3D_TERRA_20260420.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 04/20/2026 in txt file.

Historial Predications of SNOs between FY3D and TERRA