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 -68.45, 70.30 104.06 10/12/2018 19:14:18 -68.44, 70.30 104.06 0.31 44
2 10/12/2018 20:04:18 68.31,-122.23 75.83 10/12/2018 20:03:45 68.32,-122.20 75.83 1.42 33
3 10/15/2018 10:39:58 69.12, 17.83 77.60 10/15/2018 10:41:07 69.01, 19.25 77.51 57.82 69
4 10/15/2018 11:30:28 -68.40,-173.88 103.11 10/15/2018 11:30:46 -68.41,-173.86 103.10 1.22 18
5 10/15/2018 12:21:11 68.27, -6.41 76.78 10/15/2018 12:20:12 68.28, -6.36 76.79 2.34 59
6 10/18/2018 02:56:40 68.49, 134.45 77.96 10/18/2018 02:57:43 68.47, 134.47 77.94 2.62 63
7 10/18/2018 03:47:21 -68.36, -58.06 102.16 10/18/2018 03:47:13 -68.38, -58.01 102.15 2.76 8
8 10/18/2018 04:37:58 67.85, 109.89 77.36 10/18/2018 04:36:46 67.91, 109.08 77.40 34.22 72
9 10/20/2018 19:13:34 68.46,-109.74 78.89 10/20/2018 19:14:11 68.44,-109.69 78.88 2.78 37
10 10/20/2018 20:04:15 -68.32, 57.76 101.23 10/20/2018 20:03:42 -68.29, 57.77 101.27 3.12 33
11 10/23/2018 10:39:54 -69.08,-162.12 99.56 10/23/2018 10:41:04 -68.99,-160.77 99.63 54.47 70
12 10/23/2018 11:30:27 68.37, 6.14 79.75 10/23/2018 11:30:40 68.36, 6.09 79.74 2.47 13
13 10/23/2018 12:21:09 -68.28, 173.57 100.32 10/23/2018 12:20:10 -68.27, 173.62 100.34 2.83 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/11/2018
SNOs_Map_NPP_TERRA_20181011.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