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: 12/27/2017
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 68.70, -97.47 91.84 12/28/2017 18:23:54 68.57, -96.90 91.70 27.03 72
2 12/28/2017 19:13:18 -68.28, 70.39 88.59 12/28/2017 19:13:27 -68.30, 70.40 88.58 1.28 9
3 12/28/2017 20:04:01 68.11,-122.08 91.24 12/28/2017 20:02:55 68.13,-122.15 91.26 3.38 66
4 12/31/2017 10:39:30 68.39, 18.71 91.35 12/31/2017 10:40:27 68.38, 18.75 91.34 1.60 57
5 12/31/2017 11:30:11 -68.24,-173.78 88.81 12/31/2017 11:29:58 -68.22,-173.81 88.83 2.97 13
6 12/31/2017 12:20:44 67.53, -5.59 90.48 12/31/2017 12:19:34 67.60, -6.88 90.56 55.36 70
7 01/03/2018 02:56:23 68.35, 134.54 91.08 01/03/2018 02:56:57 68.35, 134.59 91.08 2.25 34
8 01/03/2018 03:47:04 -68.20, -57.95 89.08 01/03/2018 03:46:28 -68.19, -57.97 89.08 1.03 36
9 01/05/2018 18:22:41 -68.96, 82.20 88.57 01/05/2018 18:23:51 -68.88, 83.48 88.68 52.00 70
10 01/05/2018 19:13:14 68.26,-109.57 90.71 01/05/2018 19:13:27 68.27,-109.63 90.72 2.68 13
11 01/05/2018 20:03:56 -68.16, 57.87 89.40 01/05/2018 20:02:57 -68.16, 57.88 89.39 0.44 59
12 01/08/2018 10:39:24 -68.39,-161.27 89.49 01/08/2018 10:40:29 -68.41,-161.23 89.48 2.60 65
13 01/08/2018 11:30:07 68.23, 6.25 90.34 01/08/2018 11:29:57 68.23, 6.21 90.35 1.86 10
14 01/08/2018 12:20:44 -67.86, 174.03 90.04 01/08/2018 12:19:31 -67.91, 173.46 89.98 24.34 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/27/2017
SNOs_Map_NPP_TERRA_20171227.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/27/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service