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: 12/30/2017
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, 76.74 88.76 01/01/2018 18:48:43 -68.41, 76.71 88.75 1.83 63
2 01/01/2018 19:38:24 68.28,-115.80 91.13 01/01/2018 19:38:10 68.30,-115.78 91.15 2.35 14
3 01/01/2018 20:28:58 -67.76, 52.17 89.41 01/01/2018 20:27:47 -67.80, 51.27 89.35 37.97 71
4 01/04/2018 11:04:32 -68.35,-167.43 89.05 01/04/2018 11:05:12 -68.37,-167.46 89.04 1.89 40
5 01/04/2018 11:55:16 68.24, 0.02 90.83 01/04/2018 11:54:39 68.25, 0.05 90.85 2.10 37
6 01/07/2018 02:30:54 69.00, 140.16 91.31 01/07/2018 02:32:04 68.87, 141.40 91.15 51.66 70
7 01/07/2018 03:21:25 -68.31, -51.61 89.40 01/07/2018 03:21:42 -68.32, -51.64 89.40 1.54 17
8 01/07/2018 04:12:09 68.20, 115.84 90.48 01/07/2018 04:11:09 68.20, 115.87 90.49 1.04 60
9 01/09/2018 18:47:37 68.42,-103.29 90.36 01/09/2018 18:48:41 68.41,-103.27 90.35 1.06 64
10 01/09/2018 19:38:18 -68.27, 64.22 89.81 01/09/2018 19:38:12 -68.26, 64.17 89.82 2.41 6
11 01/09/2018 20:28:55 67.78,-127.86 89.69 01/09/2018 20:27:44 67.86,-128.65 89.79 34.31 71
12 01/12/2018 11:04:30 68.38, 12.53 89.91 01/12/2018 11:05:10 68.40, 12.59 89.92 3.29 40
13 01/12/2018 11:55:11 -68.22,-179.95 90.26 01/12/2018 11:54:41 -68.24,-179.97 90.25 2.13 30

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/30/2017
SNOs_Map_NOAA-20_TERRA_20171230.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/30/2017 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service