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: 10/17/2017
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 10/17/2017 18:22:56 -68.47, 82.89 102.11 10/17/2017 18:24:06 -68.47, 82.83 102.11 2.63 70
2 10/17/2017 19:13:41 68.38,-109.69 77.82 10/17/2017 19:13:33 68.36,-109.66 77.79 2.85 8
3 10/17/2017 20:04:18 -68.04, 58.06 102.51 10/17/2017 20:03:06 -68.08, 57.64 102.48 17.84 72
4 10/20/2017 10:39:51 -68.45,-161.33 101.16 10/20/2017 10:40:33 -68.48,-161.28 101.13 3.21 42
5 10/20/2017 11:30:35 68.32, 6.15 78.73 10/20/2017 11:30:01 68.30, 6.16 78.71 1.50 34
6 10/23/2017 02:06:14 69.06, 146.31 80.38 10/23/2017 02:07:23 68.97, 147.58 80.31 51.72 69
7 10/23/2017 02:56:45 -68.39, -45.48 100.27 10/23/2017 02:57:01 -68.42, -45.47 100.24 2.95 16
8 10/23/2017 03:47:29 68.26, 122.00 79.62 10/23/2017 03:46:29 68.24, 121.97 79.59 2.19 60
9 10/25/2017 18:22:58 68.47, -97.13 80.72 10/25/2017 18:23:59 68.45, -97.18 80.71 2.81 61
10 10/25/2017 19:13:39 -68.33, 70.36 99.40 10/25/2017 19:13:29 -68.35, 70.34 99.39 1.99 10
11 10/25/2017 20:04:14 67.72,-121.56 80.01 10/25/2017 20:03:04 67.78,-122.69 80.05 47.97 70
12 10/28/2017 10:39:51 68.41, 18.70 81.58 10/28/2017 10:40:25 68.42, 18.68 81.58 1.36 34
13 10/28/2017 11:30:33 -68.33,-173.87 98.50 10/28/2017 11:29:55 -68.32,-173.81 98.51 2.64 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/17/2017
SNOs_Map_NPP_TERRA_20171017.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/17/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service