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: 12/11/2017
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 12/12/2017 18:22:44 68.38, -97.06 91.39 12/12/2017 18:23:55 68.40, -97.11 91.41 3.09 71
2 12/12/2017 19:13:26 -68.28, 70.38 88.71 12/12/2017 19:13:25 -68.29, 70.40 88.70 1.28 1
3 12/12/2017 20:04:07 68.01,-121.96 91.02 12/12/2017 20:02:54 68.06,-122.23 91.08 12.83 73
4 12/15/2017 10:39:38 68.37, 18.72 91.54 12/15/2017 10:40:23 68.38, 18.76 91.55 2.20 45
5 12/15/2017 11:30:19 -68.23,-173.77 88.61 12/15/2017 11:29:54 -68.23,-173.79 88.61 0.88 25
6 12/15/2017 12:20:44 67.08, -5.08 90.25 12/15/2017 12:19:38 67.15, -7.37 90.32 99.49 66
7 12/18/2017 02:06:03 -69.34, -34.12 87.39 12/18/2017 02:07:10 -69.21, -31.95 87.52 86.31 67
8 12/18/2017 02:56:30 68.32, 134.56 91.59 12/18/2017 02:56:51 68.32, 134.57 91.59 0.31 21
9 12/18/2017 03:47:11 -68.17, -57.93 88.57 12/18/2017 03:46:22 -68.16, -57.98 88.57 2.38 49
10 12/20/2017 18:22:40 -68.43, 82.89 88.26 12/20/2017 18:23:52 -68.43, 82.95 88.26 2.44 72
11 12/20/2017 19:13:23 68.27,-109.60 91.59 12/20/2017 19:13:20 68.25,-109.62 91.57 1.82 3
12 12/20/2017 20:04:04 -68.11, 57.92 88.57 12/20/2017 20:02:51 -68.10, 57.83 88.59 3.95 73
13 12/23/2017 10:39:33 -68.38,-161.27 88.32 12/23/2017 10:40:21 -68.37,-161.24 88.33 1.48 48
14 12/23/2017 11:30:16 68.22, 6.24 91.53 12/23/2017 11:29:48 68.25, 6.26 91.55 3.19 28
15 12/23/2017 12:20:41 -67.20, 174.80 89.50 12/23/2017 12:19:34 -67.25, 172.75 89.44 88.37 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/11/2017
SNOs_Map_NPP_TERRA_20171212.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/11/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service