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: 4/20/2012
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 04/21/2012 11:29:07 -68.32,-173.88 123.88 04/21/2012 11:29:39 -68.31,-173.82 123.89 2.45 32
2 04/21/2012 12:19:50 68.12, -6.32 55.91 04/21/2012 12:19:07 68.14, -6.38 55.94 3.39 43
3 04/24/2012 02:55:25 68.72, 134.04 55.65 04/24/2012 02:56:36 68.63, 134.80 55.55 32.51 71
4 04/24/2012 03:45:59 -68.22, -57.99 124.87 04/24/2012 03:46:11 -68.25, -58.03 124.84 3.12 12
5 04/24/2012 04:36:44 68.14, 109.43 55.04 04/24/2012 04:35:38 68.13, 109.48 55.03 2.42 66
6 04/26/2012 19:12:11 68.32,-109.66 54.38 04/26/2012 19:13:12 68.32,-109.70 54.38 1.86 61
7 04/26/2012 20:02:52 -68.19, 57.82 125.77 04/26/2012 20:02:42 -68.22, 57.82 125.74 3.29 10
8 04/26/2012 20:53:28 67.62,-134.16 53.65 04/26/2012 20:52:17 67.65,-135.20 53.69 43.87 71
9 04/29/2012 11:29:03 68.29, 6.14 53.51 04/29/2012 11:29:42 68.27, 6.12 53.49 2.89 39
10 04/29/2012 12:19:44 -68.17, 173.62 126.63 04/29/2012 12:19:12 -68.18, 173.64 126.62 0.90 32
11 05/02/2012 02:55:25 -69.11, -46.47 126.46 05/02/2012 02:56:34 -68.99, -44.76 126.59 69.32 69
12 05/02/2012 03:45:56 68.28, 121.94 52.69 05/02/2012 03:46:12 68.26, 121.98 52.66 3.17 16
13 05/02/2012 04:36:36 -68.10, -70.51 127.51 05/02/2012 04:35:43 -68.11, -70.57 127.50 2.37 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2012
SNOs_Map_NPP_TERRA_20120420.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/20/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service