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: 8/15/2012
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 08/16/2012 20:01:53 -68.23, 57.88 125.27 08/16/2012 20:02:31 -68.22, 57.84 125.28 1.79 38
2 08/16/2012 20:52:37 68.09,-134.64 54.60 08/16/2012 20:51:58 68.11,-134.65 54.62 2.55 39
3 08/19/2012 11:28:14 68.79, 5.59 56.16 08/19/2012 11:29:24 68.70, 6.66 56.05 44.07 70
4 08/19/2012 12:18:47 -68.23, 173.64 124.40 08/19/2012 12:19:01 -68.21, 173.70 124.43 3.31 14
5 08/19/2012 13:09:30 68.04, -18.81 55.42 08/19/2012 13:08:29 68.04, -18.86 55.42 2.10 61
6 08/22/2012 03:45:00 68.32, 121.98 56.56 08/22/2012 03:46:02 68.29, 122.03 56.53 3.34 62
7 08/22/2012 04:35:40 -68.14, -70.47 123.61 08/22/2012 04:35:33 -68.14, -70.52 123.61 1.97 7
8 08/22/2012 05:26:17 67.62, 97.47 55.88 08/22/2012 05:25:06 67.68, 96.60 55.96 37.68 71
9 08/24/2012 20:01:53 68.23,-122.13 57.38 08/24/2012 20:02:34 68.21,-122.20 57.36 2.99 41
10 08/24/2012 20:52:34 -68.10, 45.35 122.74 08/24/2012 20:52:04 -68.12, 45.33 122.72 2.70 30
11 08/27/2012 11:28:18 -69.12,-174.87 120.78 08/27/2012 11:29:26 -68.97,-173.04 120.97 74.73 68
12 08/27/2012 12:18:47 68.19, -6.32 58.27 08/27/2012 12:19:05 68.18, -6.36 58.26 2.20 18
13 08/27/2012 13:09:28 -68.06, 161.16 121.85 08/27/2012 13:08:35 -68.09, 161.16 121.82 3.35 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/15/2012
SNOs_Map_NPP_TERRA_20120816.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/15/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service