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: 12/1/2017
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 12/02/2017 02:06:10 -69.36, -34.16 88.80 12/02/2017 02:07:17 -69.24, -31.96 88.90 87.48 67
2 12/02/2017 02:56:37 68.33, 134.54 90.19 12/02/2017 02:56:58 68.35, 134.57 90.20 2.23 21
3 12/02/2017 03:47:18 -68.19, -57.96 89.95 12/02/2017 03:46:29 -68.19, -57.99 89.96 1.46 49
4 12/04/2017 18:22:48 -68.49, 82.80 89.30 12/04/2017 18:23:59 -68.45, 82.93 89.34 7.19 71
5 12/04/2017 19:13:30 68.27,-109.60 90.49 12/04/2017 19:13:27 68.28,-109.63 90.50 1.46 3
6 12/04/2017 20:04:11 -68.12, 57.90 89.66 12/04/2017 20:02:58 -68.12, 57.81 89.67 3.66 73
7 12/07/2017 10:39:40 -68.37,-161.27 89.10 12/07/2017 10:40:28 -68.36,-161.28 89.11 0.71 48
8 12/07/2017 11:30:24 68.26, 6.18 90.80 12/07/2017 11:29:55 68.25, 6.22 90.78 2.09 29
9 12/07/2017 12:20:48 -67.19, 174.80 90.26 12/07/2017 12:19:41 -67.25, 172.71 90.22 90.11 67
10 12/10/2017 02:06:05 69.21, 146.06 92.01 12/10/2017 02:07:13 69.09, 147.88 91.90 73.49 68
11 12/10/2017 02:56:32 -68.30, -45.41 88.90 12/10/2017 02:56:55 -68.32, -45.44 88.88 2.41 23
12 12/10/2017 03:47:16 68.19, 122.03 91.00 12/10/2017 03:46:22 68.20, 122.06 91.00 1.42 54
13 12/12/2017 18:22:44 68.40, -97.08 91.41 12/12/2017 18:23:52 68.42, -97.06 91.43 2.89 68
14 12/12/2017 19:13:26 -68.29, 70.37 88.70 12/12/2017 19:13:23 -68.26, 70.38 88.73 3.10 3
15 12/12/2017 20:04:05 67.92,-121.85 90.93 12/12/2017 20:02:53 67.97,-122.32 90.99 20.62 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/1/2017
SNOs_Map_NPP_TERRA_20171201.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service