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: 5/2/2017
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 05/05/2017 10:39:10 68.75, 18.32 52.27 05/05/2017 10:40:21 68.66, 19.06 52.17 31.76 71
2 05/05/2017 11:29:45 -68.29,-173.76 128.21 05/05/2017 11:29:56 -68.27,-173.78 128.23 2.65 11
3 05/05/2017 12:20:28 68.17, -6.29 51.66 05/05/2017 12:19:22 68.16, -6.27 51.65 1.28 66
4 05/08/2017 02:55:57 68.35, 134.62 51.12 05/08/2017 02:56:55 68.35, 134.56 51.12 2.48 58
5 05/08/2017 03:46:39 -68.26, -57.95 128.98 05/08/2017 03:46:25 -68.24, -57.93 129.00 1.93 14
6 05/08/2017 04:37:12 67.54, 110.25 50.29 05/08/2017 04:36:02 67.57, 108.93 50.32 56.08 70
7 05/10/2017 19:12:52 68.32,-109.57 50.39 05/10/2017 19:13:25 68.32,-109.60 50.38 0.91 33
8 05/10/2017 20:03:34 -68.23, 57.86 129.72 05/10/2017 20:02:55 -68.22, 57.91 129.73 2.78 39
9 05/13/2017 10:39:11 -68.84,-161.80 129.75 05/13/2017 10:40:22 -68.74,-160.85 129.86 39.99 71
10 05/13/2017 11:29:47 68.30, 6.23 49.69 05/13/2017 11:29:55 68.29, 6.25 49.68 0.97 8
11 05/13/2017 12:20:28 -68.15, 173.73 130.47 05/13/2017 12:19:26 -68.14, 173.69 130.49 2.56 62
12 05/16/2017 02:55:58 -68.39, -45.43 130.85 05/16/2017 02:56:58 -68.38, -45.42 130.86 1.63 60
13 05/16/2017 03:46:42 68.28, 122.03 49.03 05/16/2017 03:46:25 68.26, 122.09 49.01 2.93 17
14 05/16/2017 04:37:13 -67.65, -69.87 131.61 05/16/2017 04:36:02 -67.72, -70.92 131.54 44.90 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/2/2017
SNOs_Map_NPP_TERRA_20170503.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/02/2017 in txt file.

Historical Predications of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service