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: 12/10/2017
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 68.39, -97.08 91.40 12/12/2017 18:23:55 68.38, -97.12 91.39 2.10 71
2 12/12/2017 19:13:26 -68.30, 70.36 88.69 12/12/2017 19:13:25 -68.28, 70.38 88.72 2.49 1
3 12/12/2017 20:04:07 68.02,-121.98 91.04 12/12/2017 20:02:54 68.05,-122.24 91.06 11.41 73
4 12/15/2017 10:39:38 68.39, 18.70 91.56 12/15/2017 10:40:23 68.37, 18.75 91.54 2.62 45
5 12/15/2017 11:30:19 -68.24,-173.79 88.60 12/15/2017 11:29:54 -68.21,-173.81 88.62 2.76 25
6 12/15/2017 12:20:44 67.10, -5.09 90.27 12/15/2017 12:19:38 67.14, -7.38 90.31 98.96 66
7 12/18/2017 02:06:04 -69.35, -34.14 87.37 12/18/2017 02:07:11 -69.21, -31.96 87.53 87.09 67
8 12/18/2017 02:56:31 68.33, 134.54 91.61 12/18/2017 02:56:52 68.31, 134.56 91.58 2.61 21
9 12/18/2017 03:47:12 -68.18, -57.94 88.55 12/18/2017 03:46:22 -68.21, -57.93 88.53 3.19 50
10 12/20/2017 18:22:40 -68.44, 82.87 88.24 12/20/2017 18:23:52 -68.43, 82.94 88.26 3.53 72
11 12/20/2017 19:13:23 68.28,-109.62 91.60 12/20/2017 19:13:20 68.25,-109.62 91.57 3.48 3
12 12/20/2017 20:04:04 -68.13, 57.90 88.56 12/20/2017 20:02:50 -68.15, 57.89 88.54 2.57 74
13 12/23/2017 10:39:33 -68.39,-161.29 88.30 12/23/2017 10:40:21 -68.37,-161.24 88.33 3.24 48
14 12/23/2017 11:30:16 68.23, 6.22 91.54 12/23/2017 11:29:48 68.25, 6.26 91.56 2.43 28
15 12/23/2017 12:20:41 -67.21, 174.78 89.49 12/23/2017 12:19:34 -67.26, 172.76 89.43 87.33 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/10/2017
SNOs_Map_NPP_TERRA_20171211.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/10/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service