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: 2/19/2017
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 02/19/2017 18:22:32 -68.76, 82.48 100.26 02/19/2017 18:23:43 -68.66, 83.13 100.39 28.60 71
2 02/19/2017 19:13:10 68.30,-109.61 79.25 02/19/2017 19:13:14 68.32,-109.63 79.27 2.74 4
3 02/19/2017 20:03:51 -68.18, 57.87 100.89 02/19/2017 20:02:45 -68.16, 57.81 100.89 2.81 66
4 02/22/2017 10:39:19 -68.41,-161.28 101.59 02/22/2017 10:40:17 -68.44,-161.27 101.58 2.93 58
5 02/22/2017 11:30:03 68.28, 6.20 78.26 02/22/2017 11:29:45 68.26, 6.17 78.25 1.82 18
6 02/22/2017 12:20:34 -67.61, 174.34 102.44 02/22/2017 12:19:24 -67.66, 173.10 102.35 52.76 70
7 02/25/2017 02:56:11 -68.39, -45.47 102.61 02/25/2017 02:56:48 -68.36, -45.49 102.64 2.78 37
8 02/25/2017 03:46:55 68.26, 122.00 77.25 02/25/2017 03:46:15 68.24, 122.02 77.24 1.55 40
9 02/27/2017 18:22:32 68.98, -97.81 77.02 02/27/2017 18:23:42 68.86, -96.63 76.86 48.84 70
10 02/27/2017 19:13:03 -68.31, 70.40 103.69 02/27/2017 19:13:20 -68.32, 70.34 103.68 2.98 17
11 02/27/2017 20:03:47 68.19,-122.13 76.17 02/27/2017 20:02:47 68.20,-122.16 76.19 2.41 60
12 03/02/2017 10:39:15 68.43, 18.70 75.43 03/02/2017 10:40:22 68.41, 18.68 75.40 2.41 67
13 03/02/2017 11:29:56 -68.29,-173.80 104.73 03/02/2017 11:29:52 -68.32,-173.80 104.71 3.09 4
14 03/02/2017 12:20:35 67.90, -6.00 74.85 03/02/2017 12:19:23 67.98, -6.57 74.95 25.23 72
15 03/05/2017 02:56:07 68.37, 134.57 74.33 03/05/2017 02:56:55 68.39, 134.51 74.34 3.35 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/19/2017
SNOs_Map_NPP_TERRA_20170219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/19/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service