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: 12/21/2017
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, 165.53 91.71 12/22/2017 00:53:17 68.40, 165.57 91.72 2.36 40
2 12/22/2017 01:43:16 -68.24, -26.96 88.44 12/22/2017 01:42:48 -68.24, -27.00 88.45 2.01 28
3 12/24/2017 17:57:54 -69.19, 88.19 87.51 12/24/2017 17:59:02 -69.11, 89.96 87.61 70.75 68
4 12/24/2017 18:48:22 68.34,-103.35 91.62 12/24/2017 18:48:41 68.34,-103.36 91.62 0.51 19
5 12/24/2017 19:39:02 -68.24, 64.11 88.48 12/24/2017 19:38:11 -68.23, 64.15 88.49 2.04 51
6 12/27/2017 11:53:26 -68.44,-179.74 88.37 12/27/2017 11:54:37 -68.43,-179.73 88.38 0.92 71
7 12/27/2017 12:44:07 68.28, -12.22 91.48 12/27/2017 12:44:05 68.27, -12.29 91.46 3.33 2
8 12/27/2017 13:34:47 -68.18, 155.24 88.63 12/27/2017 13:33:35 -68.16, 155.22 88.66 2.48 72
9 12/30/2017 05:49:10 -68.38, -88.61 88.58 12/30/2017 05:50:00 -68.36, -88.66 88.61 3.50 50
10 12/30/2017 06:39:51 68.23, 78.91 91.27 12/30/2017 06:39:27 68.24, 78.85 91.28 2.92 24
11 12/30/2017 07:30:18 -67.42,-112.77 89.56 12/30/2017 07:29:09 -67.47,-114.41 89.49 70.15 69
12 01/01/2018 22:54:32 69.34,-166.18 92.21 01/01/2018 22:55:39 69.21,-164.06 92.04 84.55 67
13 01/01/2018 23:44:55 -68.32, 2.53 88.85 01/01/2018 23:45:23 -68.33, 2.47 88.84 2.80 28
14 01/02/2018 00:35:37 68.23, 169.97 91.06 01/02/2018 00:34:50 68.22, 169.97 91.05 1.40 47

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/21/2017
SNOs_Map_NOAA-20_TERRA_20171221.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/21/2017 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service