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: 12/31/2017
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 01/01/2018 18:47:40 -68.40, 76.73 88.75 01/01/2018 18:48:43 -68.41, 76.71 88.75 1.23 63
2 01/01/2018 19:38:24 68.28,-115.81 91.13 01/01/2018 19:38:10 68.30,-115.78 91.15 1.97 14
3 01/01/2018 20:28:58 -67.76, 52.16 89.40 01/01/2018 20:27:47 -67.80, 51.27 89.35 37.65 71
4 01/04/2018 11:04:32 -68.36,-167.44 89.05 01/04/2018 11:05:12 -68.38,-167.45 89.03 1.86 40
5 01/04/2018 11:55:16 68.24, 0.01 90.84 01/04/2018 11:54:39 68.26, 0.06 90.86 2.79 37
6 01/07/2018 02:30:54 69.00, 140.15 91.32 01/07/2018 02:32:04 68.89, 141.43 91.17 52.49 70
7 01/07/2018 03:21:25 -68.32, -51.62 89.40 01/07/2018 03:21:42 -68.34, -51.62 89.38 2.29 17
8 01/07/2018 04:12:09 68.21, 115.83 90.49 01/07/2018 04:11:09 68.22, 115.89 90.51 3.09 60
9 01/09/2018 18:47:37 68.43,-103.31 90.37 01/09/2018 18:48:42 68.40,-103.30 90.33 3.32 65
10 01/09/2018 19:38:18 -68.28, 64.21 89.80 01/09/2018 19:38:12 -68.30, 64.21 89.78 2.17 6
11 01/09/2018 20:28:56 67.84,-127.94 89.76 01/09/2018 20:27:44 67.90,-128.61 89.83 28.80 72
12 01/12/2018 11:04:29 68.34, 12.58 89.86 01/12/2018 11:05:12 68.35, 12.52 89.87 2.99 43
13 01/12/2018 11:55:11 -68.23,-179.97 90.25 01/12/2018 11:54:42 -68.25,-179.97 90.24 1.46 29

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/31/2017
SNOs_Map_NOAA-20_TERRA_20171231.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/31/2017 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service