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: 12/24/2017
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 12/26/2017 02:56:25 -68.32, -45.43 88.43 12/26/2017 02:56:57 -68.32, -45.45 88.44 0.70 32
2 12/26/2017 03:47:09 68.21, 122.03 91.45 12/26/2017 03:46:24 68.21, 122.07 91.46 1.98 45
3 12/28/2017 18:22:42 68.69, -97.46 91.83 12/28/2017 18:23:53 68.62, -96.84 91.75 26.51 71
4 12/28/2017 19:13:18 -68.28, 70.40 88.60 12/28/2017 19:13:27 -68.29, 70.39 88.59 1.29 9
5 12/28/2017 20:04:02 68.16,-122.14 91.29 12/28/2017 20:02:54 68.18,-122.09 91.30 2.64 68
6 12/31/2017 10:39:30 68.38, 18.72 91.34 12/31/2017 10:40:26 68.40, 18.78 91.36 3.48 56
7 12/31/2017 11:30:11 -68.23,-173.77 88.82 12/31/2017 11:29:57 -68.24,-173.78 88.81 1.28 14
8 12/31/2017 12:20:44 67.53, -5.58 90.47 12/31/2017 12:19:34 67.57, -6.92 90.53 56.77 70
9 01/03/2018 02:56:23 68.34, 134.55 91.08 01/03/2018 02:56:56 68.35, 134.59 91.08 1.94 33
10 01/03/2018 03:47:04 -68.19, -57.94 89.09 01/03/2018 03:46:27 -68.19, -57.96 89.09 1.05 37
11 01/05/2018 18:22:40 -68.89, 82.28 88.64 01/05/2018 18:23:51 -68.78, 83.37 88.77 45.28 71
12 01/05/2018 19:13:15 68.31,-109.63 90.76 01/05/2018 19:13:25 68.28,-109.61 90.73 3.19 10
13 01/05/2018 20:03:56 -68.15, 57.88 89.41 01/05/2018 20:02:55 -68.18, 57.91 89.38 2.85 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/24/2017
SNOs_Map_NPP_TERRA_20171224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service