Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/23/2017
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/25/2017 02:56:11 -68.37, -45.46 102.62 02/25/2017 02:56:46 -68.36, -45.46 102.65 2.06 35
2 02/25/2017 03:46:55 68.24, 122.03 77.23 02/25/2017 03:46:13 68.24, 122.05 77.23 1.05 42
3 02/27/2017 18:22:30 68.86, -97.64 76.89 02/27/2017 18:23:40 68.75, -96.73 76.75 38.37 70
4 02/27/2017 19:13:03 -68.30, 70.42 103.71 02/27/2017 19:13:16 -68.31, 70.37 103.69 2.77 13
5 02/27/2017 20:03:48 68.22,-122.17 76.20 02/27/2017 20:02:43 68.20,-122.12 76.18 3.28 65
6 03/02/2017 10:39:15 68.41, 18.73 75.40 03/02/2017 10:40:15 68.43, 18.75 75.41 1.96 60
7 03/02/2017 11:29:56 -68.28,-173.78 104.75 03/02/2017 11:29:46 -68.27,-173.80 104.76 1.07 10
8 03/02/2017 12:20:31 67.66, -5.70 74.60 03/02/2017 12:19:21 67.70, -6.82 74.69 47.43 70
9 03/05/2017 02:56:07 68.39, 134.53 74.36 03/05/2017 02:56:44 68.38, 134.58 74.33 2.40 37
10 03/05/2017 03:46:48 -68.26, -57.97 105.81 03/05/2017 03:46:15 -68.23, -57.97 105.83 2.83 33
11 03/07/2017 18:22:28 -69.14, 82.00 105.91 03/07/2017 18:23:37 -69.02, 83.60 106.08 64.84 69
12 03/07/2017 19:12:59 68.33,-109.61 73.24 03/07/2017 19:13:14 68.34,-109.60 73.25 0.89 15
13 03/07/2017 20:03:40 -68.18, 57.90 106.92 03/07/2017 20:02:45 -68.19, 57.85 106.92 1.77 55

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/23/2017
SNOs_Map_NPP_TERRA_20170223.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/23/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service