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: 11/22/2017
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 11/23/2017 21:10:00 68.38,-138.85 88.80 11/23/2017 21:10:55 68.37,-138.90 88.78 2.53 55
2 11/23/2017 22:00:36 -68.28, 28.63 91.31 11/23/2017 22:00:25 -68.26, 28.60 91.33 2.32 11
3 11/23/2017 22:51:09 67.80,-163.45 88.23 11/23/2017 22:49:58 67.81,-164.28 88.23 35.01 71
4 11/26/2017 17:33:51 -68.41, 95.16 90.63 11/26/2017 17:34:37 -68.40, 95.21 90.64 2.43 46
5 11/26/2017 18:24:30 68.26, -97.32 89.23 11/26/2017 18:24:04 68.29, -97.28 89.25 3.29 26
6 11/26/2017 19:14:54 -67.50, 70.96 91.52 11/26/2017 19:13:45 -67.57, 69.52 91.48 61.64 69
7 11/29/2017 13:57:43 68.34, -30.72 89.80 11/29/2017 13:58:16 68.36, -30.75 89.82 2.19 33
8 11/29/2017 14:48:19 -68.22, 136.77 90.32 11/29/2017 14:47:46 -68.25, 136.76 90.29 3.45 33
9 12/02/2017 09:31:10 69.11, 34.95 91.01 12/02/2017 09:32:18 69.03, 36.54 90.94 63.71 68
10 12/02/2017 10:21:34 -68.35,-156.68 89.76 12/02/2017 10:21:59 -68.32,-156.72 89.79 3.17 25
11 12/02/2017 11:12:13 68.21, 10.82 90.11 12/02/2017 11:11:26 68.20, 10.79 90.10 1.70 47
12 12/05/2017 05:54:55 -68.78, -90.55 88.94 12/05/2017 05:56:06 -68.71, -89.80 89.01 31.69 71
13 12/05/2017 06:45:28 68.33, 77.36 90.62 12/05/2017 06:45:38 68.31, 77.36 90.59 2.49 10
14 12/05/2017 07:36:04 -68.20,-115.13 89.52 12/05/2017 07:35:08 -68.21,-115.12 89.51 1.24 56

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 11/22/2017
SNOs_Map_NOAA-20_TERRA_20171122.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 11/22/2017 in txt file.

Historical Predications of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service