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: 4/22/2013
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 04/24/2013 11:29:28 -68.26,-173.97 124.86 04/24/2013 11:30:11 -68.25,-173.95 124.87 1.50 43
2 04/24/2013 12:20:12 68.11, -6.48 54.99 04/24/2013 12:19:38 68.14, -6.43 55.01 3.23 34
3 04/27/2013 02:55:52 68.82, 133.74 54.87 04/27/2013 02:57:02 68.73, 134.90 54.76 47.83 70
4 04/27/2013 03:46:23 -68.16, -58.08 125.82 04/27/2013 03:46:40 -68.18, -58.14 125.80 3.16 17
5 04/27/2013 04:37:08 68.07, 109.34 54.08 04/27/2013 04:36:07 68.07, 109.37 54.07 1.44 61
6 04/29/2013 19:12:38 68.25,-109.74 53.45 04/29/2013 19:13:38 68.26,-109.79 53.46 2.42 60
7 04/29/2013 20:03:20 -68.18, 57.67 126.64 04/29/2013 20:03:08 -68.16, 57.72 126.66 3.24 12
8 04/29/2013 20:53:54 67.50,-134.18 52.67 04/29/2013 20:52:44 67.54,-135.35 52.71 50.01 70
9 05/02/2013 11:29:33 68.22, 6.07 52.61 05/02/2013 11:30:05 68.23, 6.06 52.62 1.26 32
10 05/02/2013 12:20:14 -68.10, 173.55 127.53 05/02/2013 12:19:36 -68.08, 173.51 127.55 2.76 38
11 05/05/2013 02:55:51 -68.66, -46.03 127.72 05/05/2013 02:57:02 -68.54, -45.33 127.85 31.49 71
12 05/05/2013 03:46:29 68.20, 121.87 51.81 05/05/2013 03:46:33 68.20, 121.90 51.80 1.41 4
13 05/05/2013 04:37:10 -68.07, -70.65 128.34 05/05/2013 04:36:04 -68.04, -70.65 128.37 3.26 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2013
SNOs_Map_NPP_TERRA_20130423.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/22/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service