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: 11/17/2011
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 11/18/2011 18:22:34 -68.53, 82.95 92.31 11/18/2011 18:23:07 -68.52, 82.99 92.32 2.21 33
2 11/18/2011 19:13:17 68.36,-109.53 87.54 11/18/2011 19:12:35 68.35,-109.56 87.53 1.46 42
3 11/21/2011 10:38:41 -68.53,-161.09 91.70 11/21/2011 10:39:31 -68.53,-161.09 91.69 0.47 50
4 11/21/2011 11:29:24 68.41, 6.37 88.20 11/21/2011 11:28:57 68.42, 6.42 88.21 2.41 27
5 11/21/2011 12:19:49 -67.46, 174.87 92.73 11/21/2011 12:18:41 -67.52, 173.01 92.70 79.31 68
6 11/24/2011 02:54:53 -68.55, -45.18 91.10 11/24/2011 02:55:53 -68.55, -45.15 91.10 1.25 60
7 11/24/2011 03:45:36 68.38, 122.34 88.74 11/24/2011 03:45:21 68.38, 122.29 88.74 2.34 15
8 11/24/2011 04:36:09 -67.86, -69.68 91.77 11/24/2011 04:34:58 -67.88, -70.68 91.77 41.88 71
9 11/26/2011 19:11:11 -68.56, 70.73 90.57 11/26/2011 19:12:16 -68.53, 70.73 90.60 3.06 65
10 11/26/2011 20:01:54 68.39,-121.74 89.27 11/26/2011 20:01:43 68.42,-121.77 89.29 3.06 11
11 11/26/2011 20:52:30 -68.02, 46.04 91.09 11/26/2011 20:51:17 -68.08, 45.47 91.04 24.66 73
12 11/29/2011 11:27:34 -68.54,-173.36 90.11 11/29/2011 11:28:38 -68.52,-173.37 90.13 2.45 64
13 11/29/2011 12:18:18 68.43, -5.90 89.78 11/29/2011 12:18:05 68.40, -5.87 89.76 2.91 13
14 11/29/2011 13:08:52 -67.95, 162.03 90.69 11/29/2011 13:07:40 -68.01, 161.30 90.64 31.35 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/17/2011
SNOs_Map_NPP_TERRA_20111117.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/17/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service