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: 10/21/2012
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 10/22/2012 11:28:01 69.01, 5.30 80.18 10/22/2012 11:29:09 68.88, 6.95 80.08 67.34 68
2 10/22/2012 12:18:29 -68.16, 173.74 100.65 10/22/2012 12:18:50 -68.16, 173.70 100.65 1.55 21
3 10/22/2012 13:09:13 68.04, -18.80 79.25 10/22/2012 13:08:17 68.05, -18.79 79.25 0.93 56
4 10/25/2012 03:44:44 68.25, 122.07 80.37 10/25/2012 03:45:50 68.25, 122.06 80.37 0.32 66
5 10/25/2012 04:35:26 -68.16, -70.49 99.72 10/25/2012 04:35:20 -68.15, -70.43 99.73 2.74 6
6 10/25/2012 05:26:04 67.71, 97.36 79.86 10/25/2012 05:24:52 67.76, 96.76 79.88 25.95 72
7 10/27/2012 20:01:40 68.19,-122.10 81.22 10/27/2012 20:02:20 68.21,-122.10 81.24 2.26 40
8 10/27/2012 20:52:21 -68.04, 45.41 98.93 10/27/2012 20:51:51 -68.06, 45.34 98.92 3.34 30
9 10/30/2012 11:28:04 -68.89,-174.56 97.23 10/30/2012 11:29:14 -68.77,-173.19 97.33 56.68 70
10 10/30/2012 12:18:36 68.14, -6.26 82.05 10/30/2012 12:18:50 68.15, -6.30 82.05 1.79 14
11 10/30/2012 13:09:18 -68.04, 161.18 98.05 10/30/2012 13:08:20 -68.05, 161.22 98.04 1.93 58
12 11/02/2012 03:44:48 -68.24, -57.94 97.01 11/02/2012 03:45:51 -68.23, -57.96 97.02 1.76 63
13 11/02/2012 04:35:31 68.08, 109.57 82.85 11/02/2012 04:35:18 68.11, 109.54 82.87 3.10 13
14 11/02/2012 05:26:06 -67.60, -82.52 97.62 11/02/2012 05:24:54 -67.67, -83.33 97.57 35.33 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/21/2012
SNOs_Map_NPP_TERRA_20121022.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/21/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service