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: 1/21/2018
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 01/23/2018 02:30:54 68.99, 140.14 88.43 01/23/2018 02:32:03 68.88, 141.43 88.28 53.01 69
2 01/23/2018 03:21:25 -68.31, -51.64 92.29 01/23/2018 03:21:41 -68.34, -51.61 92.26 3.14 16
3 01/23/2018 04:12:09 68.19, 115.82 87.59 01/23/2018 04:11:09 68.16, 115.83 87.56 3.00 60
4 01/25/2018 18:47:38 68.39,-103.30 87.17 01/25/2018 18:48:40 68.41,-103.28 87.17 2.13 62
5 01/25/2018 19:38:19 -68.25, 64.20 93.00 01/25/2018 19:38:11 -68.25, 64.17 92.99 1.60 8
6 01/25/2018 20:28:55 67.69,-127.80 86.43 01/25/2018 20:27:44 67.80,-128.72 86.56 40.33 71
7 01/28/2018 11:04:31 68.33, 12.55 86.42 01/28/2018 11:05:09 68.31, 12.49 86.40 2.76 38
8 01/28/2018 11:55:13 -68.24, 179.98 93.69 01/28/2018 11:54:39 -68.22,-179.99 93.71 2.44 34
9 01/31/2018 02:30:52 -68.97, -39.85 93.64 01/31/2018 02:32:02 -68.89, -38.56 93.76 52.18 70
10 01/31/2018 03:21:26 68.32, 128.32 85.69 01/31/2018 03:21:37 68.32, 128.39 85.68 2.69 11
11 01/31/2018 04:12:07 -68.17, -64.17 94.48 01/31/2018 04:11:08 -68.17, -64.16 94.48 0.37 59
12 02/02/2018 18:47:36 -68.37, 76.71 95.02 02/02/2018 18:48:39 -68.39, 76.71 95.01 2.36 63
13 02/02/2018 19:38:20 68.26,-115.83 84.86 02/02/2018 19:38:06 68.27,-115.79 84.87 1.97 14
14 02/02/2018 20:28:54 -67.73, 52.14 95.70 02/02/2018 20:27:43 -67.78, 51.27 95.62 37.21 71

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/21/2018
SNOs_Map_NOAA-20_TERRA_20180122.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/21/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service