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: 4/19/2013
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 -68.27, 70.24 123.95 04/21/2013 19:13:43 -68.27, 70.19 123.96 2.06 71
2 04/21/2013 20:03:16 68.13,-122.27 55.90 04/21/2013 20:03:10 68.16,-122.29 55.93 3.19 6
3 04/21/2013 20:53:55 -67.90, 45.34 124.35 04/21/2013 20:52:42 -67.94, 45.08 124.31 11.66 73
4 04/24/2013 11:29:28 -68.23,-173.93 124.89 04/24/2013 11:30:11 -68.25,-173.95 124.87 2.48 43
5 04/24/2013 12:20:12 68.09, -6.45 54.96 04/24/2013 12:19:39 68.08, -6.50 54.95 2.55 33
6 04/27/2013 02:55:51 68.80, 133.77 54.84 04/27/2013 02:57:01 68.71, 134.87 54.74 45.27 70
7 04/27/2013 03:46:23 -68.19, -58.11 125.79 04/27/2013 03:46:38 -68.21, -58.10 125.77 2.80 15
8 04/27/2013 04:37:07 68.05, 109.37 54.06 04/27/2013 04:36:06 68.04, 109.34 54.05 2.00 61
9 04/29/2013 19:12:38 68.28,-109.77 53.47 04/29/2013 19:13:36 68.26,-109.79 53.45 2.42 58
10 04/29/2013 20:03:19 -68.15, 57.71 126.67 04/29/2013 20:03:06 -68.16, 57.72 126.67 0.98 13
11 04/29/2013 20:53:52 67.42,-134.08 52.58 04/29/2013 20:52:43 67.47,-135.42 52.65 57.46 69
12 05/02/2013 11:29:34 68.25, 6.04 52.63 05/02/2013 11:30:03 68.24, 6.07 52.62 1.55 29
13 05/02/2013 12:20:15 -68.11, 173.53 127.52 05/02/2013 12:19:34 -68.09, 173.52 127.55 3.23 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/19/2013
SNOs_Map_NPP_TERRA_20130420.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/19/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service