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: 4/17/2025
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 04/17/2025 13:57:13 -77.42, 150.89 113.35 04/17/2025 13:58:17 -77.42, 150.88 113.35 0.61 64
2 04/17/2025 14:47:58 77.38, -41.60 66.60 04/17/2025 14:47:37 77.38, -41.60 66.61 0.78 21
3 04/20/2025 01:09:28 -77.40, -17.01 114.23 04/20/2025 01:09:34 -77.38, -17.14 114.24 3.43 6
4 04/20/2025 02:00:06 77.06, 151.82 65.44 04/20/2025 01:58:58 77.14, 149.64 65.51 54.81 68
5 04/22/2025 11:30:59 77.42, 7.58 64.97 04/22/2025 11:31:27 77.44, 7.57 65.00 3.24 28
6 04/22/2025 12:21:42 -77.39, 175.04 115.07 04/22/2025 12:20:48 -77.40, 175.06 115.06 1.28 54
7 04/24/2025 21:52:29 -77.45, 32.10 115.80 04/24/2025 21:53:23 -77.43, 32.00 115.82 3.35 54
8 04/24/2025 22:43:14 77.42,-160.42 64.16 04/24/2025 22:42:42 77.41,-160.40 64.16 0.53 32
9 04/27/2025 08:14:03 77.58, 56.19 63.55 04/27/2025 08:15:15 77.50, 56.73 63.47 15.69 72
10 04/27/2025 09:04:43 -77.42,-135.74 116.62 04/27/2025 09:04:37 -77.42,-135.91 116.63 4.17 6
11 04/29/2025 19:26:15 77.47,-111.31 62.68 04/29/2025 19:26:28 77.48,-111.18 62.69 3.40 13

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 4/17/2025
SNOs_Map_FY3D_TERRA_20250417.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 04/17/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA