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: 12/25/2017
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 12/27/2017 11:04:18 68.40, 12.59 91.60 12/27/2017 11:05:09 68.39, 12.58 91.59 0.55 51
2 12/27/2017 11:54:59 -68.27,-179.92 88.54 12/27/2017 11:54:39 -68.28,-179.91 88.53 1.70 20
3 12/27/2017 12:45:27 67.39, -11.53 90.58 12/27/2017 12:44:19 67.45, -13.24 90.65 73.02 68
4 12/30/2017 04:10:27 -68.37, -63.92 88.58 12/30/2017 04:11:07 -68.36, -63.94 88.59 1.08 40
5 12/30/2017 05:01:09 68.26, 103.54 91.31 12/30/2017 05:00:34 68.25, 103.57 91.30 1.70 35
6 01/01/2018 20:26:13 -69.43, 50.78 87.70 01/01/2018 20:27:19 -69.32, 53.15 87.84 93.96 66
7 01/01/2018 21:16:36 68.32,-140.39 91.16 01/01/2018 21:17:02 68.33,-140.46 91.17 3.03 26
8 01/01/2018 22:07:18 -68.23, 27.04 88.94 01/01/2018 22:06:32 -68.22, 27.05 88.94 1.13 46
9 01/04/2018 13:32:12 68.91, -25.03 91.51 01/04/2018 13:33:22 68.78, -24.02 91.36 42.88 70
10 01/04/2018 14:22:45 -68.33, 143.04 89.09 01/04/2018 14:22:58 -68.34, 143.08 89.08 1.71 13
11 01/04/2018 15:13:26 68.18, -49.44 90.75 01/04/2018 15:12:26 68.17, -49.49 90.75 2.02 60
12 01/07/2018 06:38:14 -68.49,-101.02 89.24 01/07/2018 06:39:25 -68.46,-100.91 89.28 5.85 71
13 01/07/2018 07:28:54 68.28, 66.57 90.55 01/07/2018 07:28:53 68.28, 66.53 90.55 1.48 1
14 01/07/2018 08:19:36 -68.19,-126.00 89.55 01/07/2018 08:18:23 -68.18,-125.96 89.56 2.04 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/25/2017
SNOs_Map_NOAA-20_TERRA_20171225.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/25/2017 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service