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: 3/22/2020
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 03/22/2020 10:14:42 -69.37,-156.32 111.58 03/22/2020 10:15:49 -69.24,-154.17 111.77 85.84 67
2 03/22/2020 11:05:09 68.34, 12.40 67.34 03/22/2020 11:05:30 68.34, 12.35 67.35 1.98 21
3 03/22/2020 11:55:51 -68.26, 179.82 112.76 03/22/2020 11:55:00 -68.24, 179.86 112.77 2.72 51
4 03/25/2020 02:31:21 -68.45, -39.29 113.59 03/25/2020 02:32:31 -68.45, -39.27 113.60 0.77 70
5 03/25/2020 03:22:05 68.33, 128.18 66.27 03/25/2020 03:21:58 68.33, 128.23 66.28 2.14 7
6 03/25/2020 04:12:43 -68.03, -64.12 114.05 03/25/2020 04:11:31 -68.07, -64.46 114.00 14.60 72
7 03/27/2020 18:48:16 -68.39, 76.57 114.71 03/27/2020 18:49:00 -68.39, 76.54 114.71 1.25 44
8 03/27/2020 19:39:00 68.26,-115.96 65.15 03/27/2020 19:38:27 68.27,-115.96 65.16 0.71 33
9 03/30/2020 10:14:41 69.05, 24.13 64.95 03/30/2020 10:15:50 68.92, 25.45 64.78 54.58 69
10 03/30/2020 11:05:12 -68.38,-167.65 115.76 03/30/2020 11:05:28 -68.38,-167.59 115.77 2.30 16
11 03/30/2020 11:55:55 68.20, -0.11 64.04 03/30/2020 11:54:56 68.20, -0.16 64.04 2.26 59
12 04/02/2020 02:31:25 68.45, 140.71 63.30 04/02/2020 02:32:25 68.46, 140.76 63.29 2.16 60
13 04/02/2020 03:22:06 -68.31, -51.79 116.87 04/02/2020 03:21:56 -68.31, -51.79 116.87 0.63 10
14 04/02/2020 04:12:41 67.70, 116.28 62.50 04/02/2020 04:11:30 67.79, 115.25 62.61 44.56 71
15 04/04/2020 18:48:20 68.39,-103.44 62.21 04/04/2020 18:48:54 68.38,-103.44 62.19 1.45 34
16 04/04/2020 19:39:01 -68.25, 64.06 117.96 04/04/2020 19:38:25 -68.24, 64.02 117.97 2.65 36

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/22/2020
SNOs_Map_NOAA-20_TERRA_20200322.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/22/2020 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service