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: 4/27/2025
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 04/27/2025 08:14:04 77.60, 56.05 63.58 04/27/2025 08:15:16 77.50, 56.73 63.47 20.07 72
2 04/27/2025 09:04:44 -77.45,-135.92 116.59 04/27/2025 09:04:37 -77.46,-135.77 116.59 3.52 7
3 04/29/2025 19:26:15 77.45,-111.23 62.66 04/29/2025 19:26:30 77.46,-111.27 62.66 1.29 15
4 04/29/2025 20:16:58 -77.43, 56.22 117.38 04/29/2025 20:15:51 -77.43, 56.26 117.39 0.87 67
5 05/02/2025 05:47:44 -77.47, -86.62 118.06 05/02/2025 05:48:24 -77.47, -86.77 118.07 3.65 40
6 05/02/2025 06:38:29 77.44, 80.85 61.90 05/02/2025 06:37:43 77.43, 80.77 61.89 2.02 46
7 05/04/2025 16:09:15 77.49, -62.04 61.25 05/04/2025 16:10:14 77.53, -62.04 61.29 3.62 59
8 05/04/2025 16:59:58 -77.46, 105.44 118.79 05/04/2025 16:59:36 -77.46, 105.36 118.80 1.92 22
9 05/07/2025 02:30:55 -77.96, -39.75 118.96 05/07/2025 02:32:00 -77.85, -36.24 119.07 82.65 65
10 05/07/2025 03:21:29 77.50, 129.96 60.56 05/07/2025 03:21:26 77.48, 129.92 60.54 2.05 3
11 05/07/2025 04:12:00 -76.96, -60.27 119.97 05/07/2025 04:10:57 -77.00, -64.22 119.96 99.03 63
12 05/09/2025 13:42:57 -77.53, 154.50 120.06 05/09/2025 13:43:17 -77.50, 154.49 120.09 3.15 20

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 4/27/2025
SNOs_Map_FY3D_TERRA_20250427.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 04/27/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA