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: 4/25/2013
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 04/27/2013 02:55:52 68.83, 133.73 54.87 04/27/2013 02:57:02 68.71, 134.88 54.74 47.80 70
2 04/27/2013 03:46:24 -68.23, -58.16 125.76 04/27/2013 03:46:39 -68.21, -58.10 125.77 2.73 15
3 04/27/2013 04:37:07 68.02, 109.40 54.03 04/27/2013 04:36:07 68.05, 109.35 54.05 3.33 60
4 04/29/2013 19:12:38 68.26,-109.75 53.46 04/29/2013 19:13:37 68.28,-109.76 53.47 2.55 59
5 04/29/2013 20:03:19 -68.14, 57.72 126.68 04/29/2013 20:03:08 -68.12, 57.68 126.70 3.03 11
6 04/29/2013 20:53:53 67.45,-134.12 52.62 04/29/2013 20:52:43 67.56,-135.33 52.73 52.53 70
7 05/02/2013 11:29:34 68.24, 6.05 52.62 05/02/2013 11:30:05 68.23, 6.06 52.61 1.07 31
8 05/02/2013 12:20:14 -68.12, 173.53 127.52 05/02/2013 12:19:34 -68.12, 173.57 127.51 1.94 40
9 05/05/2013 02:55:50 -68.63, -45.99 127.75 05/05/2013 02:57:01 -68.50, -45.37 127.89 28.97 71
10 05/05/2013 03:46:28 68.17, 121.92 51.77 05/05/2013 03:46:32 68.16, 121.86 51.76 2.33 4
11 05/05/2013 04:37:09 -68.04, -70.61 128.37 05/05/2013 04:36:02 -68.06, -70.62 128.35 1.74 67
12 05/07/2013 19:12:39 -68.24, 70.29 128.89 05/07/2013 19:13:32 -68.25, 70.22 128.88 3.06 53
13 05/07/2013 20:03:24 68.16,-122.30 51.02 05/07/2013 20:02:59 68.13,-122.28 50.99 3.18 25
14 05/07/2013 20:53:51 -67.28, 46.10 129.88 05/07/2013 20:52:42 -67.30, 44.41 129.85 72.52 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2013
SNOs_Map_NPP_TERRA_20130426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/25/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service