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: 4/30/2015
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 04/30/2015 07:21:26 69.66, 67.97 54.86 04/30/2015 07:22:35 69.56, 69.61 54.75 64.91 69
2 04/30/2015 08:11:55 -68.90,-123.64 125.93 04/30/2015 08:12:15 -68.90,-123.62 125.93 0.78 20
3 04/30/2015 09:02:38 68.77, 43.84 53.94 04/30/2015 09:01:41 68.79, 43.90 53.96 3.32 57
4 05/02/2015 23:38:05 69.14,-175.51 53.52 05/02/2015 23:39:16 69.07,-175.16 53.45 15.84 71
5 05/03/2015 00:28:43 -68.86, -7.80 126.78 05/03/2015 00:28:48 -68.86, -7.81 126.78 0.44 5
6 05/03/2015 01:19:27 68.73, 159.68 53.09 05/03/2015 01:18:15 68.75, 159.70 53.10 2.37 72
7 05/05/2015 15:54:51 68.95, -59.46 52.55 05/05/2015 15:55:51 68.95, -59.46 52.55 0.18 60
8 05/05/2015 16:45:32 -68.82, 108.04 127.59 05/05/2015 16:45:21 -68.85, 108.05 127.57 3.39 11
9 05/05/2015 17:36:07 68.21, -83.86 51.79 05/05/2015 17:34:57 68.24, -85.06 51.81 49.55 70
10 05/08/2015 08:11:40 68.92, 56.36 51.78 05/08/2015 08:12:24 68.92, 56.37 51.77 0.46 44
11 05/08/2015 09:02:21 -68.79,-136.14 128.37 05/08/2015 09:01:54 -68.82,-136.12 128.34 3.31 27
12 05/11/2015 00:28:29 68.90, 172.18 51.04 05/11/2015 00:28:56 68.92, 172.24 51.06 3.12 27
13 05/11/2015 01:19:09 -68.77, -20.32 129.10 05/11/2015 01:18:26 -68.77, -20.32 129.11 0.12 43
14 05/13/2015 15:54:43 -69.53, 119.77 128.99 05/13/2015 15:55:53 -69.40, 121.09 129.12 53.59 70
15 05/13/2015 16:45:16 68.83, -71.94 50.30 05/13/2015 16:45:28 68.84, -71.99 50.30 2.09 12
16 05/13/2015 17:35:58 -68.75, 95.49 129.80 05/13/2015 17:34:58 -68.74, 95.52 129.80 1.62 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/30/2015
SNOs_Map_NPP_TERRA_20150430.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/30/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service