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: 10/9/2018
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 10/10/2018 02:56:40 -68.49, -45.53 105.03 10/10/2018 02:57:50 -68.48, -45.54 105.03 0.88 70
2 10/10/2018 03:47:24 68.36, 121.95 74.86 10/10/2018 03:47:17 68.37, 121.96 74.87 1.32 7
3 10/10/2018 04:38:02 -68.07, -70.36 105.42 10/10/2018 04:36:50 -68.10, -70.73 105.40 15.74 72
4 10/12/2018 19:13:34 -68.44, 70.30 104.07 10/12/2018 19:14:18 -68.45, 70.29 104.06 0.50 44
5 10/12/2018 20:04:18 68.31,-122.22 75.82 10/12/2018 20:03:45 68.33,-122.20 75.84 1.79 33
6 10/15/2018 10:39:57 69.12, 17.84 77.60 10/15/2018 10:41:06 69.01, 19.25 77.51 57.32 69
7 10/15/2018 11:30:27 -68.40,-173.87 103.11 10/15/2018 11:30:45 -68.41,-173.87 103.10 1.30 18
8 10/15/2018 12:21:11 68.27, -6.40 76.78 10/15/2018 12:20:12 68.29, -6.37 76.79 2.36 59
9 10/18/2018 02:56:40 68.49, 134.45 77.96 10/18/2018 02:57:43 68.47, 134.46 77.94 2.34 63
10 10/18/2018 03:47:21 -68.35, -58.05 102.17 10/18/2018 03:47:13 -68.37, -58.03 102.15 2.33 8
11 10/18/2018 04:37:58 67.85, 109.89 77.35 10/18/2018 04:36:46 67.91, 109.07 77.39 34.95 72
12 10/20/2018 19:13:34 68.45,-109.73 78.88 10/20/2018 19:14:11 68.43,-109.71 78.87 2.26 37
13 10/20/2018 20:04:15 -68.31, 57.77 101.24 10/20/2018 20:03:42 -68.28, 57.75 101.28 3.41 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/9/2018
SNOs_Map_NPP_TERRA_20181009.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/09/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service