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: 4/30/2017
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 05/02/2017 19:12:50 -68.35, 70.39 127.37 05/02/2017 19:13:24 -68.36, 70.45 127.37 2.42 34
2 05/02/2017 20:03:33 68.18,-122.08 52.44 05/02/2017 20:02:52 68.20,-122.10 52.46 2.39 41
3 05/05/2017 10:39:09 68.73, 18.34 52.25 05/05/2017 10:40:20 68.65, 19.05 52.16 30.05 71
4 05/05/2017 11:29:44 -68.27,-173.73 128.23 05/05/2017 11:29:55 -68.26,-173.80 128.25 3.08 11
5 05/05/2017 12:20:28 68.15, -6.27 51.64 05/05/2017 12:19:22 68.15, -6.28 51.64 0.50 66
6 05/08/2017 02:55:58 68.38, 134.57 51.16 05/08/2017 02:56:54 68.36, 134.58 51.13 2.66 56
7 05/08/2017 03:46:39 -68.24, -57.92 129.00 05/08/2017 03:46:24 -68.25, -57.92 128.99 1.33 15
8 05/08/2017 04:37:11 67.47, 110.34 50.22 05/08/2017 04:36:02 67.52, 108.88 50.28 62.15 69
9 05/10/2017 19:12:53 68.36,-109.62 50.42 05/10/2017 19:13:23 68.34,-109.56 50.40 3.16 30
10 05/10/2017 20:03:34 -68.21, 57.88 129.74 05/10/2017 20:02:53 -68.24, 57.94 129.72 3.46 41
11 05/13/2017 10:39:09 -68.78,-161.71 129.82 05/13/2017 10:40:20 -68.65,-160.95 129.96 33.68 71
12 05/13/2017 11:29:46 68.28, 6.25 49.67 05/13/2017 11:29:51 68.31, 6.28 49.70 3.25 5
13 05/13/2017 12:20:27 -68.14, 173.75 130.48 05/13/2017 12:19:22 -68.15, 173.72 130.47 1.76 65

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/30/2017
SNOs_Map_NPP_TERRA_20170510.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/30/2017 in txt file.

Historical Predications of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service