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: 1/1/2017
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 18:22:51 -68.41, 82.88 88.85 01/02/2017 18:23:58 -68.40, 82.83 88.86 2.39 67
2 01/02/2017 19:13:35 68.29,-109.66 91.03 01/02/2017 19:13:25 68.30,-109.65 91.04 1.03 10
3 01/02/2017 20:04:11 -67.88, 58.18 89.39 01/02/2017 20:02:59 -67.96, 57.59 89.31 26.09 72
4 01/05/2017 10:39:45 -68.40,-161.33 89.14 01/05/2017 10:40:26 -68.39,-161.30 89.15 1.73 41
5 01/05/2017 11:30:28 68.22, 6.20 90.68 01/05/2017 11:29:54 68.23, 6.16 90.69 2.03 34
6 01/08/2017 02:06:06 69.01, 146.30 91.17 01/08/2017 02:07:15 68.93, 147.62 91.06 53.41 69
7 01/08/2017 02:56:37 -68.34, -45.48 89.53 01/08/2017 02:56:54 -68.32, -45.50 89.56 2.29 17
8 01/08/2017 03:47:21 68.21, 121.99 90.34 01/08/2017 03:46:21 68.21, 122.02 90.34 1.23 60
9 01/10/2017 18:22:49 68.42, -97.12 90.17 01/10/2017 18:23:52 68.40, -97.15 90.15 1.86 63
10 01/10/2017 19:13:30 -68.27, 70.38 89.98 01/10/2017 19:13:22 -68.29, 70.35 89.97 2.08 8
11 01/10/2017 20:04:07 67.78,-121.69 89.51 01/10/2017 20:02:56 67.79,-122.59 89.54 38.02 71
12 01/13/2017 10:39:42 68.36, 18.72 89.68 01/13/2017 10:40:20 68.36, 18.69 89.68 1.65 38
13 01/13/2017 11:30:24 -68.27,-173.84 90.42 01/13/2017 11:29:50 -68.25,-173.81 90.44 2.24 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/1/2017
SNOs_Map_NPP_TERRA_20170101.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service