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: 10/11/2018
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 10/12/2018 19:13:34 -68.46, 70.28 104.05 10/12/2018 19:14:18 -68.43, 70.27 104.08 3.37 44
2 10/12/2018 20:04:18 68.33,-122.24 75.84 10/12/2018 20:03:45 68.31,-122.22 75.82 1.87 33
3 10/15/2018 10:39:58 69.14, 17.82 77.61 10/15/2018 10:41:07 69.00, 19.23 77.49 58.28 69
4 10/15/2018 11:30:28 -68.41,-173.90 103.09 10/15/2018 11:30:46 -68.40,-173.88 103.11 2.20 18
5 10/15/2018 12:21:12 68.28, -6.42 76.79 10/15/2018 12:20:13 68.27, -6.38 76.78 1.87 59
6 10/18/2018 02:56:39 68.45, 134.50 77.92 10/18/2018 02:57:43 68.46, 134.45 77.93 2.45 64
7 10/18/2018 03:47:21 -68.37, -58.08 102.15 10/18/2018 03:47:13 -68.37, -58.03 102.16 1.89 8
8 10/18/2018 04:37:57 67.81, 109.94 77.32 10/18/2018 04:36:46 67.91, 109.07 77.39 37.95 71
9 10/20/2018 19:13:33 68.41,-109.68 78.85 10/20/2018 19:14:11 68.44,-109.70 78.87 2.46 38
10 10/20/2018 20:04:14 -68.28, 57.81 101.27 10/20/2018 20:03:42 -68.29, 57.75 101.27 2.44 32
11 10/23/2018 10:39:54 -69.09,-162.13 99.55 10/23/2018 10:41:04 -68.99,-160.78 99.63 55.04 70
12 10/23/2018 11:30:27 68.38, 6.13 79.76 10/23/2018 11:30:40 68.36, 6.09 79.74 3.00 13
13 10/23/2018 12:21:08 -68.24, 173.62 100.36 10/23/2018 12:20:10 -68.27, 173.61 100.35 2.60 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/11/2018
SNOs_Map_NPP_TERRA_20181012.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/11/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service