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: 12/8/2011
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 12/10/2011 02:05:52 68.54, 147.02 91.29 12/10/2011 02:07:02 68.55, 147.08 91.30 2.58 70
2 12/10/2011 02:56:32 -68.37, -45.44 88.88 12/10/2011 02:56:33 -68.39, -45.49 88.87 2.94 1
3 12/10/2011 03:47:14 68.12, 122.19 90.88 12/10/2011 03:46:02 68.17, 121.89 90.92 13.41 72
4 12/12/2011 18:22:43 68.51, -97.16 91.49 12/12/2011 18:23:35 68.49, -97.13 91.47 2.76 52
5 12/12/2011 19:13:24 -68.40, 70.31 88.63 12/12/2011 19:13:05 -68.39, 70.38 88.65 3.03 19
6 12/12/2011 20:03:54 67.50,-121.27 90.48 12/12/2011 20:02:45 67.55,-122.95 90.52 71.79 69
7 12/15/2011 10:39:33 68.44, 18.71 91.58 12/15/2011 10:40:07 68.46, 18.70 91.60 1.99 34
8 12/15/2011 11:30:14 -68.32,-173.82 88.54 12/15/2011 11:29:37 -68.35,-173.79 88.51 3.43 37
9 12/18/2011 02:05:52 -69.20, -33.84 87.54 12/18/2011 02:07:01 -69.11, -32.25 87.64 63.73 69
10 12/18/2011 02:56:24 68.42, 134.51 91.68 12/18/2011 02:56:38 68.44, 134.56 91.70 2.75 14
11 12/18/2011 03:47:05 -68.30, -58.02 88.44 12/18/2011 03:46:09 -68.28, -58.00 88.47 2.47 56
12 12/20/2011 18:22:29 -68.49, 82.89 88.19 12/20/2011 18:23:41 -68.51, 82.87 88.19 1.64 72
13 12/20/2011 19:13:14 68.41,-109.70 91.73 12/20/2011 19:13:08 68.39,-109.63 91.71 3.69 6
14 12/20/2011 20:03:53 -68.18, 57.92 88.51 12/20/2011 20:02:40 -68.18, 57.75 88.51 6.79 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/8/2011
SNOs_Map_NPP_TERRA_20111208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/08/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service