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: 1/2/2018
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 01/04/2018 11:04:33 -68.39,-167.48 89.01 01/04/2018 11:05:12 -68.37,-167.45 89.04 2.55 39
2 01/04/2018 11:55:16 68.22, 0.04 90.81 01/04/2018 11:54:40 68.21, 0.00 90.80 2.04 36
3 01/07/2018 02:30:54 68.98, 140.19 91.29 01/07/2018 02:32:04 68.87, 141.41 91.15 50.63 70
4 01/07/2018 03:21:25 -68.30, -51.59 89.42 01/07/2018 03:21:42 -68.31, -51.64 89.40 2.60 17
5 01/07/2018 04:12:09 68.18, 115.86 90.47 01/07/2018 04:11:09 68.20, 115.88 90.49 2.21 60
6 01/09/2018 18:47:36 68.41,-103.28 90.35 01/09/2018 18:48:40 68.40,-103.28 90.33 0.81 64
7 01/09/2018 19:38:18 -68.31, 64.16 89.76 01/09/2018 19:38:10 -68.29, 64.22 89.78 3.00 8
8 01/09/2018 20:28:54 67.77,-127.85 89.68 01/09/2018 20:27:43 67.84,-128.66 89.78 35.37 71
9 01/12/2018 11:04:29 68.37, 12.54 89.90 01/12/2018 11:05:09 68.36, 12.56 89.89 0.75 40
10 01/12/2018 11:55:10 -68.21,-179.94 90.27 01/12/2018 11:54:40 -68.20, 180.00 90.28 2.88 30
11 01/15/2018 02:30:51 -69.13, -40.01 89.78 01/15/2018 02:32:00 -69.04, -38.36 89.91 66.28 69
12 01/15/2018 03:21:22 68.33, 128.36 89.40 01/15/2018 03:21:38 68.31, 128.38 89.38 2.02 16
13 01/15/2018 04:12:03 -68.17, -64.12 90.77 01/15/2018 04:11:09 -68.15, -64.18 90.79 3.29 54

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/2/2018
SNOs_Map_NOAA-20_TERRA_20180102.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/02/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service