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: 2/21/2019
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 02/21/2019 18:48:00 -68.33, 76.65 101.26 02/21/2019 18:48:41 -68.32, 76.59 101.28 2.93 41
2 02/21/2019 19:38:44 68.20,-115.88 78.60 02/21/2019 19:38:08 68.20,-115.91 78.61 1.01 36
3 02/24/2019 10:14:23 68.86, 24.39 78.33 02/24/2019 10:15:33 68.80, 25.42 78.22 41.73 70
4 02/24/2019 11:04:56 -68.30,-167.54 102.28 02/24/2019 11:05:10 -68.30,-167.55 102.27 1.07 14
5 02/24/2019 11:55:40 68.17, -0.06 77.58 02/24/2019 11:54:37 68.18, -0.05 77.60 1.83 63
6 02/27/2019 02:31:10 68.40, 140.78 76.85 02/27/2019 02:32:08 68.37, 140.78 76.81 3.08 58
7 02/27/2019 03:21:51 -68.26, -51.72 103.31 02/27/2019 03:21:38 -68.28, -51.71 103.30 1.62 13
8 02/27/2019 04:12:24 67.54, 116.49 75.93 02/27/2019 04:11:15 67.59, 115.15 76.03 57.09 69
9 03/01/2019 18:48:05 68.32,-103.34 75.75 03/01/2019 18:48:37 68.33,-103.39 75.76 2.87 32
10 03/01/2019 19:38:47 -68.23, 64.10 104.36 03/01/2019 19:38:07 -68.24, 64.13 104.35 1.62 40
11 03/04/2019 10:14:23 -68.73,-155.42 104.85 03/04/2019 10:15:35 -68.63,-154.79 104.97 27.44 72
12 03/04/2019 11:05:01 68.29, 12.47 74.69 03/04/2019 11:05:06 68.28, 12.43 74.68 1.99 5
13 03/04/2019 11:55:43 -68.20, 179.91 105.43 03/04/2019 11:54:36 -68.19, 179.95 105.43 2.07 67

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 2/21/2019
SNOs_Map_NOAA-20_TERRA_20190221.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 02/21/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service