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: 1/17/2018
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 01/19/2018 02:56:13 68.32, 134.60 88.62 01/19/2018 02:56:57 68.34, 134.58 88.63 2.48 44
2 01/19/2018 03:46:55 -68.24, -57.98 91.48 01/19/2018 03:46:27 -68.24, -57.91 91.49 2.69 28
3 01/21/2018 18:22:37 -69.27, 81.78 90.97 01/21/2018 18:23:45 -69.16, 83.84 91.14 82.12 68
4 01/21/2018 19:13:05 68.30,-109.59 88.01 01/21/2018 19:13:26 68.27,-109.62 87.98 2.96 21
5 01/21/2018 20:03:46 -68.16, 57.90 92.14 01/21/2018 20:02:56 -68.17, 57.89 92.13 1.14 50
6 01/24/2018 10:39:15 -68.45,-161.32 92.45 01/24/2018 10:40:27 -68.42,-161.20 92.49 5.47 72
7 01/24/2018 11:29:58 68.27, 6.21 87.36 01/24/2018 11:29:55 68.25, 6.23 87.34 2.46 3
8 01/24/2018 12:20:39 -68.13, 173.71 92.79 01/24/2018 12:19:25 -68.15, 173.74 92.77 2.23 74
9 01/27/2018 02:56:06 -68.32, -45.38 93.25 01/27/2018 02:56:57 -68.34, -45.42 93.23 3.31 51
10 01/27/2018 03:46:50 68.20, 122.09 86.62 01/27/2018 03:46:24 68.22, 122.08 86.65 3.07 26
11 01/27/2018 04:37:16 -67.25, -69.44 94.37 01/27/2018 04:36:08 -67.34, -71.30 94.22 80.53 68
12 01/29/2018 18:22:35 69.35, -98.31 87.13 01/29/2018 18:23:41 69.25, -96.04 86.96 90.09 66
13 01/29/2018 19:12:59 -68.30, 70.43 93.97 01/29/2018 19:13:26 -68.31, 70.42 93.97 1.58 27
14 01/29/2018 20:03:43 68.18,-122.11 85.90 01/29/2018 20:02:53 68.19,-122.07 85.91 2.19 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/17/2018
SNOs_Map_NPP_TERRA_20180117.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service