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: 10/24/2012
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 10/25/2012 03:44:44 68.28, 122.03 80.39 10/25/2012 03:45:50 68.25, 122.06 80.37 3.18 66
2 10/25/2012 04:35:25 -68.13, -70.46 99.75 10/25/2012 04:35:20 -68.14, -70.44 99.74 1.87 5
3 10/25/2012 05:26:04 67.74, 97.33 79.89 10/25/2012 05:24:52 67.75, 96.75 79.88 24.41 72
4 10/27/2012 20:01:39 68.20,-122.10 81.23 10/27/2012 20:02:20 68.21,-122.10 81.24 1.19 41
5 10/27/2012 20:52:20 -68.05, 45.40 98.92 10/27/2012 20:51:51 -68.05, 45.34 98.92 2.72 29
6 10/30/2012 11:28:03 -68.95,-174.63 97.17 10/30/2012 11:29:12 -68.88,-173.05 97.21 63.77 69
7 10/30/2012 12:18:34 68.14, -6.26 82.05 10/30/2012 12:18:50 68.15, -6.30 82.06 1.49 16
8 10/30/2012 13:09:16 -68.04, 161.18 98.04 10/30/2012 13:08:20 -68.05, 161.21 98.04 1.45 56
9 11/02/2012 03:44:46 -68.26, -57.96 96.99 11/02/2012 03:45:51 -68.29, -57.89 96.96 3.54 65
10 11/02/2012 04:35:29 68.10, 109.56 82.87 11/02/2012 04:35:19 68.11, 109.54 82.87 1.07 10
11 11/02/2012 05:26:05 -67.73, -82.66 97.49 11/02/2012 05:24:52 -67.79, -83.20 97.45 23.44 73
12 11/04/2012 20:01:39 -68.18, 57.92 96.24 11/04/2012 20:02:20 -68.17, 57.85 96.26 3.22 41
13 11/04/2012 20:52:23 68.08,-134.64 83.67 11/04/2012 20:51:46 68.10,-134.58 83.69 3.61 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/24/2012
SNOs_Map_NPP_TERRA_20121024.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/24/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service