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: 1/12/2018
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 01/15/2018 02:30:55 -69.10, -40.00 89.80 01/15/2018 02:32:04 -68.96, -38.47 89.98 62.64 69
2 01/15/2018 03:21:26 68.29, 128.39 89.35 01/15/2018 03:21:41 68.30, 128.36 89.37 2.31 15
3 01/15/2018 04:12:08 -68.20, -64.17 90.75 01/15/2018 04:11:11 -68.19, -64.14 90.75 1.42 57
4 01/17/2018 18:47:37 -68.39, 76.72 91.05 01/17/2018 18:48:43 -68.42, 76.73 91.02 3.45 66
5 01/17/2018 19:38:21 68.27,-115.82 88.83 01/17/2018 19:38:11 68.26,-115.82 88.81 1.99 10
6 01/17/2018 20:28:57 -67.86, 52.02 91.61 01/17/2018 20:27:45 -67.93, 51.42 91.52 25.96 72
7 01/20/2018 11:04:31 -68.38,-167.49 91.62 01/20/2018 11:05:12 -68.38,-167.44 91.62 2.43 41
8 01/20/2018 11:55:14 68.21, 0.03 88.21 01/20/2018 11:54:40 68.21, 0.01 88.21 1.15 34
9 01/23/2018 02:30:54 68.99, 140.13 88.44 01/23/2018 02:32:04 68.89, 141.44 88.29 53.54 70
10 01/23/2018 03:21:25 -68.31, -51.64 92.29 01/23/2018 03:21:43 -68.29, -51.67 92.31 2.43 18
11 01/23/2018 04:12:09 68.19, 115.81 87.59 01/23/2018 04:11:10 68.17, 115.84 87.57 2.70 59
12 01/25/2018 18:47:38 68.39,-103.30 87.17 01/25/2018 18:48:42 68.41,-103.28 87.17 1.95 64
13 01/25/2018 19:38:19 -68.24, 64.22 93.01 01/25/2018 19:38:13 -68.25, 64.16 92.99 2.69 6
14 01/25/2018 20:28:57 67.80,-127.93 86.54 01/25/2018 20:27:45 67.85,-128.66 86.62 30.99 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2018
SNOs_Map_NOAA-20_TERRA_20180113.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/12/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service