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: 9/15/2021
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 09/16/2021 17:40:53 -70.38, 94.35 112.07 09/16/2021 17:42:05 -70.35, 94.62 112.11 10.81 72
2 09/16/2021 18:31:35 70.17, -98.02 67.74 09/16/2021 18:31:33 70.19, -97.97 67.75 2.48 2
3 09/16/2021 19:22:16 -70.07, 69.46 112.36 09/16/2021 19:21:03 -70.08, 69.50 112.36 1.56 73
4 09/19/2021 09:57:17 -70.70,-150.22 110.72 09/19/2021 09:58:27 -70.60,-149.14 110.81 41.67 70
5 09/19/2021 10:47:53 70.18, 17.92 68.78 09/19/2021 10:48:00 70.16, 17.87 68.76 2.76 7
6 09/19/2021 11:38:34 -70.08,-174.60 111.31 09/19/2021 11:37:29 -70.11,-174.57 111.29 3.26 65
7 09/22/2021 02:13:39 -70.97, -34.73 109.41 09/22/2021 02:14:47 -70.90, -32.81 109.46 70.14 68
8 09/22/2021 03:04:10 70.19, 133.86 69.83 09/22/2021 03:04:25 70.19, 133.78 69.83 2.78 15
9 09/22/2021 03:54:51 -70.09, -58.66 110.26 09/22/2021 03:53:55 -70.08, -58.74 110.27 2.85 56
10 09/24/2021 19:20:29 70.25,-110.30 70.94 09/24/2021 19:20:50 70.26,-110.23 70.95 2.52 21
11 09/24/2021 20:11:10 -70.15, 57.19 109.15 09/24/2021 20:10:20 -70.16, 57.25 109.15 2.56 50
12 09/27/2021 11:36:47 70.26, 5.63 72.00 09/27/2021 11:37:16 70.27, 5.67 72.01 1.74 29
13 09/27/2021 12:27:28 -70.16, 173.12 108.10 09/27/2021 12:26:46 -70.17, 173.15 108.09 2.06 42

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 9/15/2021
SNOs_Map_FY3D_TERRA_20210915.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 09/15/2021 in txt file.

Historial Predications of SNOs between FY3D and TERRA