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: 1/19/2018
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 01/21/2018 18:22:37 -69.27, 81.79 90.98 01/21/2018 18:23:45 -69.17, 83.84 91.14 81.95 68
2 01/21/2018 19:13:05 68.29,-109.58 88.00 01/21/2018 19:13:26 68.27,-109.62 87.98 2.34 21
3 01/21/2018 20:03:46 -68.16, 57.90 92.15 01/21/2018 20:02:56 -68.17, 57.89 92.13 1.78 50
4 01/24/2018 10:39:15 -68.45,-161.32 92.45 01/24/2018 10:40:27 -68.42,-161.21 92.49 5.22 72
5 01/24/2018 11:29:58 68.26, 6.22 87.36 01/24/2018 11:29:55 68.25, 6.23 87.34 2.02 3
6 01/24/2018 12:20:39 -68.13, 173.71 92.79 01/24/2018 12:19:25 -68.15, 173.74 92.77 2.03 74
7 01/27/2018 02:56:06 -68.32, -45.37 93.25 01/27/2018 02:56:57 -68.33, -45.43 93.24 3.04 51
8 01/27/2018 03:46:50 68.19, 122.10 86.62 01/27/2018 03:46:24 68.21, 122.07 86.64 2.66 26
9 01/27/2018 04:37:16 -67.25, -69.43 94.37 01/27/2018 04:36:08 -67.33, -71.31 94.23 81.00 68
10 01/29/2018 18:22:34 69.29, -98.23 87.07 01/29/2018 18:23:41 69.22, -96.06 86.94 85.56 67
11 01/29/2018 19:12:59 -68.30, 70.43 93.98 01/29/2018 19:13:26 -68.29, 70.40 93.98 1.22 27
12 01/29/2018 20:03:43 68.17,-122.10 85.89 01/29/2018 20:02:53 68.17,-122.10 85.89 0.40 50
13 02/01/2018 10:39:11 68.47, 18.66 85.48 02/01/2018 10:40:22 68.45, 18.85 85.44 7.84 71
14 02/01/2018 11:29:50 -68.23,-173.70 94.79 02/01/2018 11:29:54 -68.24,-173.77 94.78 3.43 4
15 02/01/2018 12:20:34 68.10, -6.24 85.08 02/01/2018 12:19:21 68.12, -6.27 85.10 2.31 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/19/2018
SNOs_Map_NPP_TERRA_20180120.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service