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: 1/12/2018
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 01/13/2018 18:22:40 69.04, -97.91 90.37 01/13/2018 18:23:49 68.94, -96.44 90.24 59.86 69
2 01/13/2018 19:13:09 -68.31, 70.37 90.39 01/13/2018 19:13:27 -68.33, 70.44 90.38 2.93 18
3 01/13/2018 20:03:53 68.19,-122.16 89.48 01/13/2018 20:02:55 68.17,-122.11 89.46 3.36 58
4 01/16/2018 10:39:20 68.37, 18.76 89.20 01/16/2018 10:40:27 68.38, 18.75 89.20 1.90 67
5 01/16/2018 11:30:02 -68.28,-173.81 90.90 01/16/2018 11:29:57 -68.27,-173.75 90.92 2.78 5
6 01/16/2018 12:20:40 67.84, -5.94 88.64 01/16/2018 12:19:28 67.94, -6.49 88.76 25.99 72
7 01/19/2018 02:56:13 68.34, 134.58 88.63 01/19/2018 02:56:57 68.33, 134.56 88.62 1.49 44
8 01/19/2018 03:46:54 -68.20, -57.93 91.52 01/19/2018 03:46:27 -68.22, -57.93 91.50 2.33 27
9 01/21/2018 18:22:38 -69.29, 81.77 90.96 01/21/2018 18:23:45 -69.22, 83.91 91.09 84.95 67
10 01/21/2018 19:13:06 68.31,-109.61 88.03 01/21/2018 19:13:26 68.32,-109.56 88.03 2.59 20
11 01/21/2018 20:03:47 -68.17, 57.88 92.13 01/21/2018 20:02:57 -68.17, 57.89 92.13 0.72 50
12 01/24/2018 10:39:16 -68.46,-161.34 92.44 01/24/2018 10:40:28 -68.44,-161.18 92.47 6.65 72
13 01/24/2018 11:29:57 68.23, 6.26 87.33 01/24/2018 11:29:55 68.26, 6.25 87.35 3.36 2
14 01/24/2018 12:20:38 -68.09, 173.76 92.83 01/24/2018 12:19:26 -68.11, 173.70 92.81 3.15 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2018
SNOs_Map_NPP_TERRA_20180112.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service