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: 3/29/2013
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 03/31/2013 11:29:12 68.25, 6.06 63.85 03/31/2013 11:30:10 68.28, 6.09 63.86 2.95 58
2 03/31/2013 12:19:53 -68.12, 173.55 116.31 03/31/2013 12:19:41 -68.12, 173.53 116.31 0.98 12
3 03/31/2013 13:10:27 67.45, -18.32 62.99 03/31/2013 13:09:17 67.50, -19.53 63.07 52.26 70
4 04/03/2013 03:46:09 68.22, 121.86 62.78 04/03/2013 03:46:42 68.20, 121.87 62.75 3.04 33
5 04/03/2013 04:36:50 -68.08, -70.64 117.38 04/03/2013 04:36:12 -68.09, -70.62 117.37 1.32 38
6 04/05/2013 19:12:29 -68.70, 69.70 117.74 04/05/2013 19:13:40 -68.61, 70.60 117.85 37.82 71
7 04/05/2013 20:03:05 68.15,-122.27 61.68 04/05/2013 20:03:13 68.16,-122.30 61.70 2.13 8
8 04/05/2013 20:53:47 -68.06, 45.15 118.42 04/05/2013 20:52:43 -68.06, 45.22 118.42 2.56 64
9 04/08/2013 11:29:18 -68.25,-173.95 119.21 04/08/2013 11:30:17 -68.24,-173.98 119.23 1.88 59
10 04/08/2013 12:20:02 68.13, -6.48 60.65 04/08/2013 12:19:44 68.12, -6.47 60.65 1.03 18
11 04/08/2013 13:10:33 -67.45, 161.67 120.05 04/08/2013 13:09:23 -67.52, 160.47 119.96 51.87 70
12 04/11/2013 03:46:13 -68.19, -58.10 120.27 04/11/2013 03:46:47 -68.19, -58.16 120.27 2.51 34
13 04/11/2013 04:36:57 68.07, 109.37 59.59 04/11/2013 04:36:14 68.07, 109.34 59.60 1.14 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/29/2013
SNOs_Map_NPP_TERRA_20130330.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/29/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service