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: 1/27/2018
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 01/29/2018 18:22:35 69.36, -98.33 87.15 01/29/2018 18:23:42 69.24, -96.04 86.96 90.74 67
2 01/29/2018 19:12:59 -68.32, 70.39 93.95 01/29/2018 19:13:27 -68.30, 70.41 93.97 2.24 28
3 01/29/2018 20:03:43 68.19,-122.13 85.91 01/29/2018 20:02:54 68.19,-122.08 85.91 2.00 49
4 02/01/2018 10:39:14 68.59, 18.50 85.61 02/01/2018 10:40:25 68.50, 18.90 85.49 19.10 71
5 02/01/2018 11:29:51 -68.25,-173.74 94.77 02/01/2018 11:29:58 -68.23,-173.80 94.78 3.06 7
6 02/01/2018 12:20:35 68.12, -6.26 85.09 02/01/2018 12:19:25 68.12, -6.29 85.10 1.16 70
7 02/04/2018 02:56:02 68.36, 134.58 84.59 02/04/2018 02:56:57 68.34, 134.58 84.56 2.34 55
8 02/04/2018 03:46:43 -68.23, -57.94 95.56 02/04/2018 03:46:27 -68.25, -57.91 95.55 1.70 16
9 02/04/2018 04:37:15 67.45, 110.33 83.63 02/04/2018 04:36:05 67.51, 108.89 83.73 61.95 70
10 02/06/2018 19:12:54 68.30,-109.56 83.70 02/06/2018 19:13:28 68.32,-109.58 83.72 2.63 34
11 02/06/2018 20:03:35 -68.16, 57.93 96.45 02/06/2018 20:02:59 -68.17, 57.87 96.44 2.46 36
12 02/09/2018 10:39:14 -69.00,-162.02 96.41 02/09/2018 10:40:24 -68.88,-160.66 96.57 55.80 70
13 02/09/2018 11:29:47 68.28, 6.24 82.85 02/09/2018 11:30:00 68.26, 6.22 82.82 2.47 13
14 02/09/2018 12:20:28 -68.15, 173.73 97.31 02/09/2018 12:19:30 -68.17, 173.75 97.29 2.36 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/27/2018
SNOs_Map_NPP_TERRA_20180128.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/27/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service