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: 1/17/2012
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 01/19/2012 02:55:24 68.45, 134.61 88.87 01/19/2012 02:56:34 68.44, 134.56 88.84 2.93 70
2 01/19/2012 03:46:05 -68.33, -57.91 91.27 01/19/2012 03:46:04 -68.33, -57.94 91.27 1.22 1
3 01/19/2012 04:36:46 68.04, 109.77 88.42 01/19/2012 04:35:33 68.10, 109.44 88.50 15.66 73
4 01/21/2012 19:12:13 68.44,-109.58 88.28 01/21/2012 19:13:01 68.43,-109.56 88.27 1.04 48
5 01/21/2012 20:02:54 -68.31, 57.91 91.86 01/21/2012 20:02:31 -68.33, 57.95 91.84 2.80 23
6 01/21/2012 20:53:21 67.26,-133.50 87.06 01/21/2012 20:52:14 67.31,-135.57 87.17 89.09 67
7 01/24/2012 11:29:00 68.38, 6.29 87.61 01/24/2012 11:29:28 68.36, 6.24 87.59 2.83 28
8 01/24/2012 12:19:41 -68.25, 173.78 92.54 01/24/2012 12:18:58 -68.26, 173.76 92.53 1.66 43
9 01/27/2012 02:55:12 -68.88, -45.89 92.53 01/27/2012 02:56:23 -68.73, -45.06 92.71 37.17 71
10 01/27/2012 03:45:48 68.33, 122.14 86.91 01/27/2012 03:45:55 68.33, 122.10 86.90 1.58 7
11 01/27/2012 04:36:30 -68.25, -70.44 93.20 01/27/2012 04:35:25 -68.23, -70.39 93.21 2.83 65
12 01/29/2012 19:11:53 -68.46, 70.45 93.65 01/29/2012 19:12:54 -68.47, 70.51 93.66 2.60 61
13 01/29/2012 20:02:36 68.30,-122.03 86.17 01/29/2012 20:02:22 68.29,-122.06 86.16 1.86 14
14 01/29/2012 20:53:10 -67.78, 45.94 94.38 01/29/2012 20:51:59 -67.80, 45.00 94.32 39.56 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/17/2012
SNOs_Map_NPP_TERRA_20120117.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/17/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service