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: 10/6/2018
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 10/07/2018 10:40:02 -69.38,-162.50 105.16 10/07/2018 10:41:09 -69.27,-160.44 105.25 82.09 67
2 10/07/2018 11:30:30 68.40, 6.14 73.88 10/07/2018 11:30:50 68.38, 6.09 73.86 2.99 20
3 10/07/2018 12:21:11 -68.27, 173.62 106.25 10/07/2018 12:20:20 -68.27, 173.59 106.24 1.50 51
4 10/10/2018 02:56:40 -68.48, -45.51 105.04 10/10/2018 02:57:51 -68.46, -45.57 105.06 3.14 71
5 10/10/2018 03:47:24 68.35, 121.96 74.85 10/10/2018 03:47:18 68.34, 121.93 74.84 1.63 6
6 10/10/2018 04:38:03 -68.11, -70.41 105.38 10/10/2018 04:36:50 -68.13, -70.69 105.37 11.94 73
7 10/12/2018 19:13:34 -68.43, 70.32 104.08 10/12/2018 19:14:19 -68.43, 70.27 104.08 1.95 45
8 10/12/2018 20:04:18 68.30,-122.21 75.82 10/12/2018 20:03:46 68.31,-122.23 75.82 1.00 32
9 10/15/2018 10:39:57 69.11, 17.85 77.59 10/15/2018 10:41:06 69.05, 19.29 77.55 57.67 69
10 10/15/2018 11:30:27 -68.38,-173.86 103.12 10/15/2018 11:30:46 -68.40,-173.89 103.11 1.92 19
11 10/15/2018 12:21:11 68.26, -6.39 76.77 10/15/2018 12:20:13 68.27, -6.39 76.78 1.56 58
12 10/18/2018 02:56:40 68.48, 134.47 77.95 10/18/2018 02:57:44 68.46, 134.44 77.93 2.64 64
13 10/18/2018 03:47:21 -68.34, -58.03 102.18 10/18/2018 03:47:14 -68.36, -58.05 102.16 2.68 7
14 10/18/2018 04:37:58 67.84, 109.91 77.34 10/18/2018 04:36:47 67.90, 109.06 77.38 36.28 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/6/2018
SNOs_Map_NPP_TERRA_20181006.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/06/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service