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: 2/16/2013
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 02/16/2013 20:02:14 68.17,-122.16 80.20 02/16/2013 20:02:42 68.16,-122.22 80.19 2.56 28
2 02/16/2013 20:52:56 -68.08, 45.27 99.91 02/16/2013 20:52:12 -68.06, 45.29 99.93 3.00 44
3 02/19/2013 11:28:35 -68.64,-174.32 100.25 02/19/2013 11:29:46 -68.57,-173.52 100.36 33.61 71
4 02/19/2013 12:19:12 68.15, -6.37 79.23 02/19/2013 12:19:19 68.13, -6.41 79.21 2.80 7
5 02/19/2013 13:09:53 -68.00, 161.13 100.94 02/19/2013 13:08:49 -68.03, 161.11 100.91 3.15 64
6 02/22/2013 03:45:25 -68.24, -58.04 101.64 02/22/2013 03:46:31 -68.27, -58.05 101.62 3.36 66
7 02/22/2013 04:36:09 68.13, 109.42 78.24 02/22/2013 04:35:59 68.11, 109.40 78.22 1.87 10
8 02/22/2013 05:26:45 -67.71, -82.74 102.22 02/22/2013 05:25:33 -67.79, -83.33 102.10 26.88 72
9 02/24/2013 20:02:24 -68.27, 57.69 102.60 02/24/2013 20:03:16 -68.27, 57.76 102.61 2.59 52
10 02/24/2013 20:53:07 68.10,-134.79 77.22 02/24/2013 20:52:44 68.11,-134.79 77.23 0.85 23
11 02/24/2013 21:43:36 -67.30, 33.51 103.63 02/24/2013 21:42:26 -67.35, 31.98 103.52 66.04 70
12 02/27/2013 12:19:22 -68.23, 173.50 103.64 02/27/2013 12:20:06 -68.22, 173.50 103.66 1.12 44
13 02/27/2013 13:10:05 68.07, -18.99 76.18 02/27/2013 13:09:34 68.06, -19.05 76.18 2.59 31

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2013
SNOs_Map_NPP_TERRA_20130217.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service