Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/19/2019
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 09/20/2019 11:04:03 -68.38,-167.51 112.85 09/20/2019 11:04:50 -68.37,-167.50 112.86 0.61 47
2 09/20/2019 11:54:46 68.25, -0.04 67.05 09/20/2019 11:54:16 68.26, 0.01 67.05 2.36 30
3 09/20/2019 12:45:10 -67.20, 168.57 114.00 09/20/2019 12:44:03 -67.20, 166.44 114.00 91.84 67
4 09/23/2019 02:30:29 69.16, 139.90 68.97 09/23/2019 02:31:38 69.05, 141.59 68.86 68.04 69
5 09/23/2019 03:20:57 -68.31, -51.66 111.87 09/23/2019 03:21:19 -68.33, -51.67 111.85 2.17 22
6 09/23/2019 04:11:41 68.19, 115.80 68.03 09/23/2019 04:10:46 68.22, 115.84 68.05 3.09 55
7 09/25/2019 18:47:11 68.40,-103.32 69.25 09/25/2019 18:48:19 68.39,-103.36 69.24 1.91 68
8 09/25/2019 19:37:53 -68.31, 64.12 110.83 09/25/2019 19:37:49 -68.29, 64.15 110.85 2.39 4
9 09/25/2019 20:28:32 67.92,-128.09 68.80 09/25/2019 20:27:20 67.95,-128.61 68.82 21.89 72
10 09/28/2019 11:04:06 68.35, 12.51 70.24 09/28/2019 11:04:49 68.34, 12.45 70.23 2.51 43
11 09/28/2019 11:54:48 -68.25, 179.96 109.85 09/28/2019 11:54:19 -68.24, 179.97 109.86 0.85 29
12 10/01/2019 02:30:32 -69.20, -40.18 107.88 10/01/2019 02:31:40 -69.07, -38.40 108.00 71.85 68
13 10/01/2019 03:21:02 68.35, 128.28 71.28 10/01/2019 03:21:18 68.34, 128.33 71.28 2.29 16
14 10/01/2019 04:11:42 -68.19, -64.21 108.86 10/01/2019 04:10:48 -68.19, -64.22 108.87 0.45 54

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/19/2019
SNOs_Map_NOAA-20_TERRA_20190919.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/19/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service