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: 2/5/2015
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 02/06/2015 14:15:23 -69.73, 144.76 94.72 02/06/2015 14:16:33 -69.60, 146.07 94.89 52.82 70
2 02/06/2015 15:05:57 69.06, -46.98 84.58 02/06/2015 15:06:08 69.04, -47.01 84.57 2.07 11
3 02/06/2015 15:56:38 -68.94, 120.50 95.56 02/06/2015 15:55:38 -68.94, 120.49 95.55 0.58 60
4 02/09/2015 06:32:06 -69.13, -98.63 96.17 02/09/2015 06:33:09 -69.12, -98.68 96.20 2.62 63
5 02/09/2015 07:22:50 69.00, 68.86 83.68 02/09/2015 07:22:36 69.00, 68.82 83.68 1.73 14
6 02/09/2015 08:13:24 -68.50,-123.15 96.85 02/09/2015 08:12:12 -68.57,-124.09 96.76 39.05 72
7 02/11/2015 22:48:59 -69.08, 17.21 97.10 02/11/2015 22:49:37 -69.08, 17.15 97.11 2.40 38
8 02/11/2015 23:39:43 68.95,-175.30 82.76 02/11/2015 23:39:04 68.96,-175.36 82.77 2.24 39
9 02/14/2015 14:15:18 69.59, -35.06 82.55 02/14/2015 14:16:28 69.46, -34.09 82.38 40.50 70
10 02/14/2015 15:05:51 -69.03, 133.05 98.05 02/14/2015 15:06:04 -69.03, 132.98 98.05 2.67 13
11 02/14/2015 15:56:35 68.90, -59.48 81.81 02/14/2015 15:55:31 68.91, -59.53 81.82 2.22 64
12 02/17/2015 06:32:03 69.12, 81.36 81.14 02/17/2015 06:33:01 69.14, 81.37 81.14 1.21 58
13 02/17/2015 07:22:44 -68.98,-111.13 99.02 02/17/2015 07:22:32 -68.99,-111.19 99.02 2.51 12
14 02/17/2015 08:13:18 68.33, 57.05 80.29 02/17/2015 08:12:08 68.36, 55.67 80.36 56.44 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/5/2015
SNOs_Map_NPP_TERRA_20150205.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/05/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service