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: 1/14/2018
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 01/16/2018 10:39:21 68.39, 18.73 89.22 01/16/2018 10:40:28 68.37, 18.74 89.19 1.76 67
2 01/16/2018 11:30:02 -68.25,-173.77 90.93 01/16/2018 11:29:58 -68.27,-173.76 90.92 1.33 4
3 01/16/2018 12:20:41 67.86, -5.97 88.66 01/16/2018 12:19:29 67.93, -6.51 88.75 23.91 72
4 01/19/2018 02:56:13 68.36, 134.55 88.66 01/19/2018 02:56:57 68.33, 134.57 88.62 3.22 44
5 01/19/2018 03:46:54 -68.23, -57.96 91.50 01/19/2018 03:46:27 -68.23, -57.92 91.49 1.62 27
6 01/21/2018 18:22:38 -69.31, 81.73 90.93 01/21/2018 18:23:45 -69.25, 83.95 91.06 87.65 67
7 01/21/2018 19:13:05 68.28,-109.57 88.00 01/21/2018 19:13:27 68.30,-109.59 88.01 2.23 22
8 01/21/2018 20:03:46 -68.14, 57.92 92.16 01/21/2018 20:02:58 -68.14, 57.85 92.15 2.70 48
9 01/24/2018 10:39:17 -68.54,-161.44 92.36 01/24/2018 10:40:28 -68.50,-161.11 92.41 13.88 71
10 01/24/2018 11:29:58 68.26, 6.23 87.35 01/24/2018 11:29:57 68.27, 6.26 87.36 2.06 1
11 01/24/2018 12:20:39 -68.12, 173.73 92.81 01/24/2018 12:19:28 -68.12, 173.70 92.80 1.04 71
12 01/27/2018 02:56:07 -68.35, -45.42 93.21 01/27/2018 02:57:00 -68.37, -45.39 93.20 2.51 53
13 01/27/2018 03:46:50 68.18, 122.11 86.61 01/27/2018 03:46:28 68.20, 122.04 86.62 3.30 22
14 01/27/2018 04:37:19 -67.39, -69.61 94.22 01/27/2018 04:36:10 -67.43, -71.21 94.13 68.54 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/14/2018
SNOs_Map_NPP_TERRA_20180114.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/14/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service