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: 8/10/2017
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 08/12/2017 02:56:13 68.44, 134.52 53.42 08/12/2017 02:57:14 68.44, 134.58 53.41 2.64 61
2 08/12/2017 03:46:54 -68.29, -57.97 126.73 08/12/2017 03:46:45 -68.27, -57.99 126.74 1.78 9
3 08/12/2017 04:37:30 67.74, 110.03 52.72 08/12/2017 04:36:19 67.77, 109.07 52.78 40.28 71
4 08/14/2017 19:13:08 68.36,-109.62 54.15 08/14/2017 19:13:44 68.36,-109.65 54.15 1.22 36
5 08/14/2017 20:03:50 -68.26, 57.83 125.94 08/14/2017 20:03:14 -68.25, 57.86 125.95 1.87 36
6 08/17/2017 10:39:30 -68.92,-161.92 124.43 08/17/2017 10:40:40 -68.81,-160.85 124.57 44.44 70
7 08/17/2017 11:30:05 68.33, 6.18 54.97 08/17/2017 11:30:14 68.31, 6.18 54.95 2.36 9
8 08/17/2017 12:20:46 -68.18, 173.69 125.18 08/17/2017 12:19:44 -68.20, 173.68 125.15 2.88 62
9 08/20/2017 02:56:18 -68.42, -45.48 124.09 08/20/2017 02:57:16 -68.42, -45.46 124.09 0.95 58
10 08/20/2017 03:47:01 68.26, 122.04 55.76 08/20/2017 03:46:44 68.25, 121.99 55.76 2.17 17
11 08/20/2017 04:37:33 -67.62, -69.84 124.88 08/20/2017 04:36:23 -67.65, -71.09 124.83 52.77 70
12 08/22/2017 19:13:14 -68.34, 70.39 123.27 08/22/2017 19:13:46 -68.35, 70.34 123.27 2.14 32
13 08/22/2017 20:03:58 68.24,-122.17 56.64 08/22/2017 20:03:13 68.24,-122.15 56.64 0.71 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/10/2017
SNOs_Map_NPP_TERRA_20170811.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/10/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service