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: 12/16/2011
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 12/18/2011 02:05:51 -69.24, -33.90 87.50 12/18/2011 02:07:00 -69.13, -32.23 87.61 67.16 69
2 12/18/2011 02:56:22 68.41, 134.53 91.66 12/18/2011 02:56:38 68.42, 134.52 91.68 1.66 16
3 12/18/2011 03:47:03 -68.29, -58.00 88.45 12/18/2011 03:46:08 -68.31, -57.98 88.44 1.92 55
4 12/20/2011 18:22:29 -68.57, 82.79 88.12 12/20/2011 18:23:41 -68.55, 82.91 88.14 5.21 72
5 12/20/2011 19:13:12 68.37,-109.64 91.69 12/20/2011 19:13:09 68.39,-109.64 91.70 1.38 3
6 12/20/2011 20:03:53 -68.26, 57.82 88.43 12/20/2011 20:02:39 -68.28, 57.86 88.41 2.57 74
7 12/23/2011 10:39:18 -68.50,-161.33 88.18 12/23/2011 10:40:12 -68.49,-161.28 88.19 2.00 54
8 12/23/2011 11:30:02 68.36, 6.16 91.68 12/23/2011 11:29:40 68.33, 6.16 91.65 3.50 22
9 12/23/2011 12:20:30 -67.54, 174.49 89.15 12/23/2011 12:19:21 -67.61, 172.96 89.07 65.58 69
10 12/26/2011 02:56:06 -68.44, -45.47 88.29 12/26/2011 02:56:41 -68.47, -45.44 88.27 3.22 35
11 12/26/2011 03:46:50 68.30, 122.01 91.57 12/26/2011 03:46:09 68.29, 122.00 91.56 0.98 41
12 12/28/2011 18:22:24 69.05, -97.82 92.23 12/28/2011 18:23:33 68.96, -96.58 92.12 50.85 69
13 12/28/2011 19:12:55 -68.40, 70.37 88.45 12/28/2011 19:13:11 -68.41, 70.38 88.43 1.60 16
14 12/28/2011 20:03:39 68.26,-122.15 91.42 12/28/2011 20:02:39 68.24,-122.19 91.40 3.28 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/16/2011
SNOs_Map_NPP_TERRA_20111216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/16/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service