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: 4/25/2019
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 04/26/2019 18:48:01 -68.40, 76.61 125.32 04/26/2019 18:48:53 -68.39, 76.62 125.34 1.67 52
2 04/26/2019 19:38:45 68.27,-115.92 54.54 04/26/2019 19:38:20 68.29,-115.86 54.56 2.98 25
3 04/26/2019 20:29:12 -67.39, 52.49 126.36 04/26/2019 20:28:03 -67.44, 50.80 126.30 72.49 69
4 04/29/2019 10:14:31 69.42, 23.68 54.88 04/29/2019 10:15:37 69.35, 26.08 54.80 94.39 66
5 04/29/2019 11:04:55 -68.37,-167.58 126.20 04/29/2019 11:05:23 -68.35,-167.56 126.22 2.74 28
6 04/29/2019 11:55:38 68.19, -0.05 53.61 04/29/2019 11:54:51 68.19, -0.10 53.61 2.32 47
7 05/02/2019 02:31:10 68.59, 140.58 53.22 05/02/2019 02:32:21 68.52, 140.90 53.15 14.87 71
8 05/02/2019 03:21:48 -68.29, -51.70 127.10 05/02/2019 03:21:53 -68.30, -51.73 127.09 2.03 5
9 05/02/2019 04:12:32 68.16, 115.76 52.77 05/02/2019 04:11:20 68.19, 115.78 52.80 3.26 72
10 05/04/2019 18:48:00 68.40,-103.40 52.24 05/04/2019 18:48:51 68.41,-103.36 52.25 2.04 51
11 05/04/2019 19:38:41 -68.26, 64.10 127.92 05/04/2019 19:38:22 -68.25, 64.08 127.93 1.55 19
12 05/04/2019 20:29:10 67.33,-127.45 51.14 05/04/2019 20:28:02 67.41,-129.24 51.23 77.25 68
13 05/07/2019 11:04:53 68.33, 12.47 51.41 05/07/2019 11:05:21 68.35, 12.44 51.43 2.37 28
14 05/07/2019 11:55:35 -68.23, 179.91 128.70 05/07/2019 11:54:51 -68.24, 179.95 128.69 2.16 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2019
SNOs_Map_NOAA-20_TERRA_20190425.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/25/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service