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: 4/29/2013
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 04/29/2013 20:53:53 67.45,-134.12 52.62 04/29/2013 20:52:43 67.55,-135.33 52.73 53.00 70
2 05/02/2013 11:29:33 68.23, 6.06 52.61 05/02/2013 11:30:04 68.22, 6.05 52.60 1.38 31
3 05/02/2013 12:20:14 -68.11, 173.53 127.52 05/02/2013 12:19:34 -68.11, 173.55 127.52 0.90 40
4 05/05/2013 02:55:49 -68.57, -45.91 127.81 05/05/2013 02:57:01 -68.48, -45.39 127.91 23.37 72
5 05/05/2013 03:46:29 68.21, 121.86 51.82 05/05/2013 03:46:31 68.19, 121.91 51.80 2.68 2
6 05/05/2013 04:37:09 -68.04, -70.60 128.37 05/05/2013 04:36:02 -68.03, -70.65 128.38 1.91 67
7 05/07/2013 19:12:40 -68.29, 70.23 128.85 05/07/2013 19:13:31 -68.27, 70.25 128.86 1.50 51
8 05/07/2013 20:03:24 68.14,-122.28 51.00 05/07/2013 20:02:58 68.15,-122.25 51.01 1.70 26
9 05/07/2013 20:53:50 -67.21, 46.17 129.95 05/07/2013 20:52:42 -67.27, 44.38 129.88 77.58 68
10 05/10/2013 10:39:08 69.10, 17.60 51.28 05/10/2013 10:40:16 68.98, 19.39 51.15 72.40 68
11 05/10/2013 11:29:35 -68.22,-173.92 129.63 05/10/2013 11:29:58 -68.22,-173.93 129.63 0.67 23
12 05/10/2013 12:20:19 68.08, -6.43 50.23 05/10/2013 12:19:25 68.09, -6.43 50.24 1.06 54
13 05/13/2013 02:55:49 68.29, 134.45 49.78 05/13/2013 02:56:54 68.29, 134.43 49.78 0.83 65
14 05/13/2013 03:46:29 -68.16, -58.07 130.36 05/13/2013 03:46:24 -68.14, -58.12 130.39 3.34 5
15 05/13/2013 04:37:07 67.70, 109.81 49.17 05/13/2013 04:35:55 67.79, 109.11 49.26 30.89 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/29/2013
SNOs_Map_NPP_TERRA_20130430.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/29/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service