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: 12/26/2017
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 12/28/2017 18:22:42 68.69, -97.45 91.83 12/28/2017 18:23:54 68.58, -96.88 91.71 25.67 72
2 12/28/2017 19:13:18 -68.27, 70.41 88.60 12/28/2017 19:13:28 -68.25, 70.34 88.63 3.52 10
3 12/28/2017 20:04:02 68.16,-122.14 91.28 12/28/2017 20:02:55 68.14,-122.14 91.27 1.46 67
4 12/31/2017 10:39:30 68.38, 18.73 91.34 12/31/2017 10:40:27 68.39, 18.76 91.34 1.63 57
5 12/31/2017 11:30:11 -68.23,-173.76 88.82 12/31/2017 11:29:58 -68.22,-173.81 88.83 1.90 13
6 12/31/2017 12:20:44 67.52, -5.58 90.46 12/31/2017 12:19:34 67.61, -6.88 90.57 55.97 70
7 01/03/2018 02:56:22 68.34, 134.55 91.07 01/03/2018 02:56:56 68.35, 134.59 91.08 2.41 34
8 01/03/2018 03:47:03 -68.19, -57.94 89.09 01/03/2018 03:46:27 -68.19, -57.97 89.08 1.13 36
9 01/05/2018 18:22:41 -68.95, 82.21 88.58 01/05/2018 18:23:51 -68.88, 83.47 88.68 51.23 70
10 01/05/2018 19:13:15 68.31,-109.63 90.76 01/05/2018 19:13:26 68.32,-109.57 90.77 2.70 11
11 01/05/2018 20:03:56 -68.15, 57.88 89.41 01/05/2018 20:02:57 -68.16, 57.87 89.40 0.58 59
12 01/08/2018 10:39:24 -68.38,-161.26 89.50 01/08/2018 10:40:29 -68.39,-161.25 89.49 1.33 65
13 01/08/2018 11:30:07 68.22, 6.25 90.34 01/08/2018 11:29:57 68.22, 6.19 90.34 2.62 10
14 01/08/2018 12:20:43 -67.80, 174.10 90.10 01/08/2018 12:19:31 -67.90, 173.44 89.99 29.50 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/26/2017
SNOs_Map_NPP_TERRA_20171226.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/26/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service