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: 12/20/2017
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 12/22/2017 00:52:37 68.39, 165.51 91.71 12/22/2017 00:53:18 68.36, 165.52 91.68 3.18 41
2 12/22/2017 01:43:16 -68.24, -26.97 88.44 12/22/2017 01:42:48 -68.25, -26.98 88.43 0.94 28
3 12/24/2017 17:57:54 -69.23, 88.13 87.47 12/24/2017 17:59:02 -69.13, 89.98 87.59 74.18 68
4 12/24/2017 18:48:21 68.32,-103.34 91.61 12/24/2017 18:48:41 68.35,-103.34 91.64 3.52 20
5 12/24/2017 19:39:01 -68.22, 64.12 88.50 12/24/2017 19:38:11 -68.24, 64.17 88.48 3.17 50
6 12/27/2017 11:53:24 -68.46,-179.77 88.35 12/27/2017 11:54:36 -68.45,-179.71 88.36 2.60 72
7 12/27/2017 12:44:05 68.30, -12.25 91.50 12/27/2017 12:44:04 68.28, -12.27 91.47 2.57 1
8 12/27/2017 13:34:45 -68.20, 155.21 88.61 12/27/2017 13:33:34 -68.18, 155.24 88.64 3.04 71
9 12/30/2017 05:49:08 -68.38, -88.61 88.58 12/30/2017 05:50:00 -68.37, -88.64 88.59 1.62 52
10 12/30/2017 06:39:50 68.28, 78.84 91.33 12/30/2017 06:39:27 68.26, 78.87 91.30 3.05 23
11 12/30/2017 07:30:17 -67.48,-112.84 89.50 12/30/2017 07:29:08 -67.54,-114.33 89.42 63.97 69
12 01/01/2018 22:54:31 69.43,-166.30 92.30 01/01/2018 22:55:37 69.34,-163.89 92.17 94.74 66
13 01/01/2018 23:44:53 -68.35, 2.49 88.81 01/01/2018 23:45:23 -68.35, 2.49 88.82 0.74 30
14 01/02/2018 00:35:34 68.21, 169.99 91.04 01/02/2018 00:34:50 68.23, 169.99 91.06 2.45 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2017
SNOs_Map_NOAA-20_TERRA_20171220.jpg

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

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service