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: 8/19/2018
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 08/20/2018 11:30:11 68.39, 6.10 55.92 08/20/2018 11:31:11 68.42, 6.10 55.95 3.43 60
2 08/20/2018 12:20:53 -68.29, 173.54 124.16 08/20/2018 12:20:41 -68.31, 173.60 124.15 2.84 12
3 08/20/2018 13:11:27 67.64, -18.33 55.18 08/20/2018 13:10:17 67.69, -19.47 55.26 48.82 70
4 08/23/2018 03:47:07 68.34, 121.93 56.77 08/23/2018 03:47:41 68.33, 121.88 56.76 2.33 34
5 08/23/2018 04:37:49 -68.24, -70.63 123.32 08/23/2018 04:37:11 -68.23, -70.62 123.34 2.15 38
6 08/25/2018 19:13:26 -68.84, 69.73 121.83 08/25/2018 19:14:37 -68.69, 70.55 121.99 36.59 71
7 08/25/2018 20:04:02 68.30,-122.25 57.64 08/25/2018 20:04:09 68.30,-122.28 57.64 1.47 7
8 08/25/2018 20:54:44 -68.20, 45.20 122.45 08/25/2018 20:53:39 -68.19, 45.22 122.46 1.09 65
9 08/28/2018 11:30:15 -68.42,-173.94 121.32 08/28/2018 11:31:10 -68.43,-173.89 121.31 2.81 55
10 08/28/2018 12:20:58 68.26, -6.43 58.53 08/28/2018 12:20:38 68.26, -6.45 58.54 1.01 20
11 08/28/2018 13:11:28 -67.51, 161.82 122.22 08/28/2018 13:10:18 -67.60, 160.42 122.11 60.52 70
12 08/31/2018 02:56:47 69.45, 133.10 60.68 08/31/2018 02:57:53 69.39, 135.57 60.59 96.77 66
13 08/31/2018 03:47:11 -68.38, -58.12 120.41 08/31/2018 03:47:39 -68.39, -58.06 120.40 3.22 28
14 08/31/2018 04:37:54 68.22, 109.39 59.45 08/31/2018 04:37:07 68.22, 109.38 59.45 0.35 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/19/2018
SNOs_Map_NPP_TERRA_20180819.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service