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: 8/17/2018
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 08/17/2018 19:13:25 68.95,-110.42 55.64 08/17/2018 19:14:35 68.85,-109.23 55.51 48.65 70
2 08/17/2018 20:03:57 -68.33, 57.73 125.00 08/17/2018 20:04:12 -68.35, 57.78 124.98 3.29 15
3 08/17/2018 20:54:41 68.21,-134.80 54.89 08/17/2018 20:53:40 68.19,-134.77 54.87 2.25 61
4 08/20/2018 11:30:10 68.37, 6.13 55.91 08/20/2018 11:31:11 68.39, 6.07 55.92 3.15 61
5 08/20/2018 12:20:52 -68.27, 173.57 124.18 08/20/2018 12:20:41 -68.28, 173.57 124.18 0.30 11
6 08/20/2018 13:11:27 67.67, -18.37 55.22 08/20/2018 13:10:16 67.72, -19.44 55.29 45.32 71
7 08/23/2018 03:47:07 68.38, 121.88 56.81 08/23/2018 03:47:40 68.37, 121.92 56.79 2.09 33
8 08/23/2018 04:37:48 -68.23, -70.60 123.34 08/23/2018 04:37:11 -68.20, -70.64 123.36 3.13 37
9 08/25/2018 19:13:26 -68.82, 69.76 121.84 08/25/2018 19:14:37 -68.73, 70.60 121.95 35.44 71
10 08/25/2018 20:04:02 68.28,-122.23 57.62 08/25/2018 20:04:10 68.29,-122.29 57.63 2.84 8
11 08/25/2018 20:54:44 -68.18, 45.22 122.47 08/25/2018 20:53:40 -68.18, 45.21 122.47 0.43 64
12 08/28/2018 11:30:15 -68.40,-173.92 121.34 08/28/2018 11:31:12 -68.37,-173.95 121.37 3.26 57
13 08/28/2018 12:20:58 68.24, -6.41 58.52 08/28/2018 12:20:39 68.26, -6.44 58.54 2.65 19
14 08/28/2018 13:11:29 -67.54, 161.78 122.18 08/28/2018 13:10:19 -67.60, 160.42 122.11 57.93 70
15 08/31/2018 02:56:48 69.49, 133.04 60.72 08/31/2018 02:57:54 69.40, 135.59 60.60 99.91 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/17/2018
SNOs_Map_NPP_TERRA_20180817.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service