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: 12/14/2017
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 12/15/2017 10:39:37 68.35, 18.75 91.52 12/15/2017 10:40:23 68.35, 18.71 91.51 1.74 46
2 12/15/2017 11:30:19 -68.26,-173.81 88.58 12/15/2017 11:29:53 -68.24,-173.79 88.60 2.08 26
3 12/15/2017 12:20:44 67.11, -5.11 90.28 12/15/2017 12:19:37 67.17, -7.36 90.34 97.37 67
4 12/18/2017 02:06:03 -69.31, -34.09 87.41 12/18/2017 02:07:10 -69.21, -31.96 87.52 84.40 67
5 12/18/2017 02:56:31 68.35, 134.53 91.62 12/18/2017 02:56:51 68.32, 134.57 91.59 3.12 20
6 12/18/2017 03:47:12 -68.20, -57.97 88.54 12/18/2017 03:46:21 -68.22, -57.93 88.52 2.63 51
7 12/20/2017 18:22:40 -68.40, 82.92 88.28 12/20/2017 18:23:52 -68.41, 82.92 88.28 0.63 72
8 12/20/2017 19:13:24 68.29,-109.63 91.61 12/20/2017 19:13:19 68.29,-109.58 91.61 2.25 5
9 12/20/2017 20:04:04 -68.09, 57.95 88.60 12/20/2017 20:02:50 -68.13, 57.86 88.55 5.98 74
10 12/23/2017 10:39:32 -68.35,-161.24 88.34 12/23/2017 10:40:19 -68.38,-161.23 88.32 3.02 47
11 12/23/2017 11:30:15 68.19, 6.27 91.50 12/23/2017 11:29:47 68.21, 6.20 91.52 3.40 28
12 12/23/2017 12:20:40 -67.17, 174.83 89.53 12/23/2017 12:19:33 -67.21, 172.70 89.48 91.88 67
13 12/26/2017 02:05:58 69.21, 146.06 92.48 12/26/2017 02:07:06 69.06, 147.87 92.31 73.43 68
14 12/26/2017 02:56:25 -68.30, -45.40 88.45 12/26/2017 02:56:48 -68.29, -45.46 88.47 2.66 23
15 12/26/2017 03:47:09 68.20, 122.04 91.44 12/26/2017 03:46:15 68.17, 122.05 91.42 2.90 54
16 12/28/2017 18:22:37 68.41, -97.09 91.55 12/28/2017 18:23:45 68.41, -97.06 91.54 1.44 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/14/2017
SNOs_Map_NPP_TERRA_20171215.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service