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: 8/18/2014
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 08/19/2014 21:59:44 69.10,-150.42 56.43 08/19/2014 22:00:21 69.12,-150.42 56.44 2.20 37
2 08/19/2014 22:50:26 -69.02, 17.00 123.64 08/19/2014 22:49:51 -69.01, 17.07 123.66 3.23 35
3 08/22/2014 13:26:08 -69.64, 157.26 122.15 08/22/2014 13:27:19 -69.53, 158.35 122.27 44.23 71
4 08/22/2014 14:16:44 69.08, -34.63 57.30 08/22/2014 14:16:52 69.09, -34.58 57.31 2.52 8
5 08/22/2014 15:07:25 -68.95, 132.87 122.83 08/22/2014 15:06:23 -68.93, 132.85 122.85 2.38 62
6 08/25/2014 05:42:59 -69.15, -86.27 121.74 08/25/2014 05:43:56 -69.16, -86.26 121.72 2.01 57
7 08/25/2014 06:33:43 69.01, 81.22 58.14 08/25/2014 06:33:24 69.00, 81.17 58.12 2.54 19
8 08/25/2014 07:24:13 -68.29,-110.50 122.58 08/25/2014 07:23:04 -68.34,-112.01 122.52 62.43 69
9 08/27/2014 21:59:59 -69.14, 29.51 120.82 08/27/2014 22:00:27 -69.12, 29.56 120.84 2.92 28
10 08/27/2014 22:50:43 69.00,-163.00 59.06 08/27/2014 22:49:54 69.00,-162.94 59.06 2.41 49
11 08/30/2014 13:26:15 69.16, -22.08 60.15 08/30/2014 13:27:27 69.16, -22.14 60.15 2.33 72
12 08/30/2014 14:16:57 -69.08, 145.35 119.93 08/30/2014 14:16:57 -69.06, 145.36 119.94 1.65 0
13 08/30/2014 15:07:38 68.79, -46.94 59.80 08/30/2014 15:06:26 68.83, -47.28 59.84 14.75 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/18/2014
SNOs_Map_NPP_TERRA_20140818.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/18/2014 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service