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: 4/20/2013
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 04/21/2013 19:12:32 -68.29, 70.22 123.94 04/21/2013 19:13:43 -68.26, 70.19 123.96 2.87 71
2 04/21/2013 20:03:16 68.14,-122.28 55.91 04/21/2013 20:03:10 68.16,-122.30 55.92 1.58 6
3 04/21/2013 20:53:55 -67.91, 45.32 124.34 04/21/2013 20:52:42 -67.93, 45.08 124.32 10.49 73
4 04/24/2013 11:29:28 -68.24,-173.95 124.87 04/24/2013 11:30:11 -68.26,-173.94 124.86 1.56 43
5 04/24/2013 12:20:12 68.10, -6.46 54.97 04/24/2013 12:19:39 68.09, -6.49 54.96 1.90 33
6 04/27/2013 02:55:52 68.81, 133.76 54.85 04/27/2013 02:57:02 68.73, 134.89 54.76 46.48 70
7 04/27/2013 03:46:24 -68.20, -58.12 125.78 04/27/2013 03:46:40 -68.18, -58.14 125.81 2.56 16
8 04/27/2013 04:37:08 68.06, 109.36 54.07 04/27/2013 04:36:07 68.06, 109.36 54.07 0.45 61
9 04/29/2013 19:12:38 68.28,-109.78 53.48 04/29/2013 19:13:36 68.30,-109.74 53.49 2.40 58
10 04/29/2013 20:03:19 -68.16, 57.70 126.66 04/29/2013 20:03:07 -68.14, 57.70 126.68 1.81 12
11 04/29/2013 20:53:53 67.48,-134.15 52.65 04/29/2013 20:52:43 67.52,-135.37 52.69 52.06 70
12 05/02/2013 11:29:34 68.25, 6.03 52.63 05/02/2013 11:30:04 68.25, 6.08 52.63 2.06 30
13 05/02/2013 12:20:15 -68.12, 173.52 127.51 05/02/2013 12:19:35 -68.10, 173.53 127.54 2.97 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2013
SNOs_Map_NPP_TERRA_20130421.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/20/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service