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: 3/11/2015
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 03/13/2015 06:31:51 -69.60, -99.34 107.44 03/13/2015 06:33:01 -69.51, -98.10 107.56 49.52 70
2 03/13/2015 07:22:25 68.96, 68.87 71.89 03/13/2015 07:22:36 68.97, 68.84 71.90 1.61 11
3 03/13/2015 08:13:07 -68.87,-123.69 108.22 03/13/2015 08:12:06 -68.86,-123.67 108.23 1.23 61
4 03/15/2015 22:48:33 -69.05, 17.21 109.07 03/15/2015 22:49:42 -69.04, 17.15 109.08 2.51 69
5 03/15/2015 23:39:17 68.94,-175.33 70.81 03/15/2015 23:39:09 68.93,-175.34 70.81 0.54 8
6 03/16/2015 00:29:55 -68.63, -7.60 109.52 03/16/2015 00:28:42 -68.66, -8.05 109.48 18.45 73
7 03/18/2015 15:05:24 -69.03, 133.00 110.15 03/18/2015 15:06:13 -69.04, 133.02 110.14 1.62 49
8 03/18/2015 15:56:07 68.87, -59.47 69.68 03/18/2015 15:55:41 68.88, -59.54 69.69 2.82 26
9 03/18/2015 16:46:33 -67.91, 109.08 111.31 03/18/2015 16:45:26 -67.94, 106.95 111.25 89.02 67
10 03/21/2015 07:22:15 -68.96,-111.14 111.28 03/21/2015 07:22:46 -68.97,-111.20 111.28 2.55 31
11 03/21/2015 08:12:59 68.86, 56.31 68.61 03/21/2015 08:12:13 68.86, 56.30 68.61 0.86 46
12 03/23/2015 22:48:32 69.44,-163.34 68.17 03/23/2015 22:49:43 69.31,-162.52 68.02 35.51 71
13 03/23/2015 23:39:07 -68.96, 4.64 112.34 03/23/2015 23:39:17 -68.98, 4.70 112.32 3.47 10
14 03/24/2015 00:29:50 68.81, 172.16 67.50 03/24/2015 00:28:45 68.81, 172.12 67.50 1.44 65

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/11/2015
SNOs_Map_NPP_TERRA_20150311.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/11/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service