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: 12/20/2011
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 12/20/2011 18:22:30 -68.61, 82.75 88.08 12/20/2011 18:23:41 -68.56, 82.91 88.13 8.80 71
2 12/20/2011 19:13:13 68.41,-109.69 91.73 12/20/2011 19:13:09 68.40,-109.64 91.71 2.58 4
3 12/20/2011 20:03:53 -68.24, 57.84 88.45 12/20/2011 20:02:40 -68.23, 57.80 88.46 2.42 73
4 12/23/2011 10:39:18 -68.45,-161.27 88.23 12/23/2011 10:40:13 -68.47,-161.31 88.21 2.88 55
5 12/23/2011 11:30:03 68.36, 6.15 91.68 12/23/2011 11:29:40 68.37, 6.20 91.68 2.25 23
6 12/23/2011 12:20:31 -67.55, 174.48 89.14 12/23/2011 12:19:22 -67.59, 172.93 89.09 66.03 69
7 12/26/2011 02:56:08 -68.41, -45.44 88.32 12/26/2011 02:56:44 -68.43, -45.49 88.31 2.97 36
8 12/26/2011 03:46:53 68.33, 121.98 91.59 12/26/2011 03:46:11 68.32, 122.02 91.59 1.95 42
9 12/28/2011 18:22:26 69.03, -97.81 92.21 12/28/2011 18:23:36 68.92, -96.63 92.08 48.44 70
10 12/28/2011 19:12:57 -68.38, 70.39 88.46 12/28/2011 19:13:14 -68.38, 70.32 88.47 2.66 17
11 12/28/2011 20:03:41 68.24,-122.13 91.40 12/28/2011 20:02:41 68.26,-122.17 91.42 2.82 60
12 12/31/2011 10:39:06 68.47, 18.73 91.48 12/31/2011 10:40:14 68.46, 18.67 91.46 2.72 68
13 12/31/2011 11:29:47 -68.35,-173.80 88.65 12/31/2011 11:29:44 -68.36,-173.82 88.65 1.44 3
14 12/31/2011 12:20:27 68.00, -6.04 90.99 12/31/2011 12:19:15 68.02, -6.58 91.02 22.39 72
15 01/03/2012 02:55:56 68.45, 134.53 91.24 01/03/2012 02:56:44 68.43, 134.51 91.21 3.23 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2011
SNOs_Map_NPP_TERRA_20111220.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/20/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service