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: 8/21/2012
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 08/22/2012 03:44:59 68.29, 122.01 56.54 08/22/2012 03:46:01 68.31, 122.05 56.55 2.93 62
2 08/22/2012 04:35:40 -68.17, -70.51 123.58 08/22/2012 04:35:32 -68.15, -70.50 123.60 2.08 8
3 08/22/2012 05:26:17 67.65, 97.44 55.91 08/22/2012 05:25:05 67.70, 96.62 55.98 35.07 72
4 08/24/2012 20:01:52 68.22,-122.12 57.37 08/24/2012 20:02:33 68.22,-122.19 57.37 2.83 41
5 08/24/2012 20:52:33 -68.09, 45.36 122.75 08/24/2012 20:52:03 -68.12, 45.33 122.72 3.06 30
6 08/27/2012 11:28:16 -69.09,-174.81 120.82 08/27/2012 11:29:24 -69.01,-172.98 120.93 73.38 68
7 08/27/2012 12:18:46 68.20, -6.33 58.29 08/27/2012 12:19:03 68.23, -6.30 58.31 2.95 17
8 08/27/2012 13:09:27 -68.08, 161.15 121.83 08/27/2012 13:08:34 -68.07, 161.15 121.83 0.51 53
9 08/30/2012 03:44:55 -68.28, -57.97 120.70 08/30/2012 03:46:07 -68.29, -58.00 120.69 1.75 72
10 08/30/2012 04:35:39 68.15, 109.51 59.18 08/30/2012 04:35:34 68.17, 109.50 59.20 2.58 5
11 08/30/2012 05:26:19 -67.97, -82.94 120.99 08/30/2012 05:25:06 -67.96, -83.11 120.99 6.88 73
12 09/01/2012 20:01:48 -68.29, 57.80 119.73 09/01/2012 20:02:36 -68.28, 57.87 119.73 2.80 48
13 09/01/2012 20:52:31 68.10,-134.66 60.10 09/01/2012 20:52:04 68.10,-134.70 60.10 1.87 27
14 09/01/2012 21:42:57 -67.16, 33.80 120.84 09/01/2012 21:41:49 -67.17, 31.88 120.81 82.95 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/21/2012
SNOs_Map_NPP_TERRA_20120821.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/21/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service