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: 1/2/2017
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 01/02/2017 18:22:50 -68.40, 82.90 88.86 01/02/2017 18:23:58 -68.42, 82.85 88.85 2.52 68
2 01/02/2017 19:13:34 68.28,-109.64 91.02 01/02/2017 19:13:26 68.26,-109.70 91.00 3.36 8
3 01/02/2017 20:04:11 -67.93, 58.13 89.35 01/02/2017 20:02:59 -67.97, 57.60 89.29 22.62 72
4 01/05/2017 10:39:44 -68.39,-161.31 89.15 01/05/2017 10:40:26 -68.41,-161.28 89.13 2.66 42
5 01/05/2017 11:30:27 68.27, 6.15 90.73 01/05/2017 11:29:53 68.25, 6.17 90.71 2.19 34
6 01/08/2017 02:06:06 69.06, 146.25 91.22 01/08/2017 02:07:15 68.95, 147.65 91.08 56.85 69
7 01/08/2017 02:56:36 -68.33, -45.46 89.54 01/08/2017 02:56:54 -68.34, -45.48 89.54 1.46 18
8 01/08/2017 03:47:20 68.20, 122.00 90.33 01/08/2017 03:46:21 68.23, 122.04 90.36 3.13 59
9 01/10/2017 18:22:48 68.41, -97.11 90.17 01/10/2017 18:23:52 68.42, -97.13 90.17 1.90 64
10 01/10/2017 19:13:30 -68.32, 70.32 89.93 01/10/2017 19:13:22 -68.31, 70.37 89.95 2.33 8
11 01/10/2017 20:04:07 67.82,-121.74 89.55 01/10/2017 20:02:55 67.87,-122.51 89.62 32.48 72
12 01/13/2017 10:39:42 68.40, 18.67 89.73 01/13/2017 10:40:20 68.39, 18.71 89.70 2.87 38
13 01/13/2017 11:30:23 -68.26,-173.83 90.43 01/13/2017 11:29:50 -68.28,-173.79 90.41 2.33 33
14 01/16/2017 02:06:02 -69.06, -33.74 90.08 01/16/2017 02:07:12 -68.95, -32.35 90.22 56.91 70
15 01/16/2017 02:56:35 68.35, 134.51 89.19 01/16/2017 02:56:48 68.34, 134.54 89.17 2.04 13

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/2/2017
SNOs_Map_NPP_TERRA_20170102.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/02/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service