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: 3/11/2012
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 03/12/2012 10:38:53 -69.35,-162.56 107.60 03/12/2012 10:40:00 -69.28,-160.27 107.74 90.48 67
2 03/12/2012 11:29:19 68.28, 6.19 71.28 03/12/2012 11:29:43 68.29, 6.13 71.28 2.77 24
3 03/12/2012 12:20:01 -68.18, 173.63 108.84 03/12/2012 12:19:13 -68.18, 173.63 108.85 1.11 48
4 03/15/2012 02:55:32 -68.49, -45.62 109.56 03/15/2012 02:56:43 -68.44, -45.44 109.62 9.17 71
5 03/15/2012 03:46:14 68.27, 121.97 70.21 03/15/2012 03:46:11 68.28, 122.01 70.21 1.79 3
6 03/15/2012 04:36:55 -68.12, -70.52 109.97 03/15/2012 04:35:42 -68.11, -70.56 109.97 1.93 73
7 03/17/2012 19:12:24 -68.33, 70.35 110.79 03/17/2012 19:13:12 -68.36, 70.34 110.77 3.24 48
8 03/17/2012 20:03:08 68.22,-122.19 69.09 03/17/2012 20:02:40 68.19,-122.21 69.06 2.98 28
9 03/17/2012 20:53:32 -67.20, 46.36 111.97 03/17/2012 20:52:24 -67.24, 44.34 111.88 87.17 68
10 03/20/2012 10:38:50 69.18, 17.66 69.05 03/20/2012 10:39:58 69.02, 19.42 68.84 71.96 68
11 03/20/2012 11:29:17 -68.28,-173.81 111.91 03/20/2012 11:29:39 -68.30,-173.84 111.88 2.83 22
12 03/20/2012 12:20:01 68.16, -6.36 67.97 03/20/2012 12:19:06 68.19, -6.33 67.99 2.81 55
13 03/23/2012 02:55:30 68.38, 134.50 67.16 03/23/2012 02:56:36 68.38, 134.52 67.15 0.81 66
14 03/23/2012 03:46:11 -68.23, -57.99 113.01 03/23/2012 03:46:07 -68.22, -58.04 113.02 2.50 4
15 03/23/2012 04:36:50 67.85, 109.80 66.59 03/23/2012 04:35:38 67.88, 109.20 66.63 25.15 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/11/2012
SNOs_Map_NPP_TERRA_20120311.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/11/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service