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: 10/22/2018
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 10/23/2018 10:39:53 -69.04,-162.06 99.60 10/23/2018 10:41:03 -68.90,-160.89 99.72 48.91 70
2 10/23/2018 11:30:28 68.42, 6.07 79.80 10/23/2018 11:30:37 68.40, 6.13 79.78 3.41 9
3 10/23/2018 12:21:08 -68.24, 173.62 100.36 10/23/2018 12:20:08 -68.24, 173.57 100.38 2.29 60
4 10/26/2018 02:56:37 -68.47, -45.53 99.24 10/26/2018 02:57:38 -68.45, -45.56 99.25 2.32 61
5 10/26/2018 03:47:21 68.33, 121.95 80.65 10/26/2018 03:47:05 68.33, 121.94 80.64 0.70 16
6 10/26/2018 04:37:54 -67.78, -70.03 99.89 10/26/2018 04:36:43 -67.79, -71.07 99.91 43.93 71
7 10/28/2018 19:13:30 -68.44, 70.28 98.37 10/28/2018 19:14:04 -68.45, 70.31 98.35 1.86 34
8 10/28/2018 20:04:14 68.30,-122.24 81.52 10/28/2018 20:03:31 68.32,-122.19 81.54 2.97 43
9 10/31/2018 10:39:47 68.75, 18.31 82.82 10/31/2018 10:40:59 68.65, 18.81 82.72 23.17 72
10 10/31/2018 11:30:24 -68.40,-173.91 97.52 10/31/2018 11:30:32 -68.39,-173.88 97.54 2.41 8
11 10/31/2018 12:21:08 68.27, -6.44 82.37 10/31/2018 12:19:59 68.26, -6.39 82.35 2.85 69
12 11/03/2018 02:56:36 68.46, 134.47 83.38 11/03/2018 02:57:29 68.47, 134.47 83.39 1.35 53
13 11/03/2018 03:47:17 -68.32, -58.04 96.75 11/03/2018 03:47:00 -68.32, -58.07 96.75 1.39 17
14 11/03/2018 04:37:48 67.49, 110.30 82.46 11/03/2018 04:36:39 67.52, 108.64 82.45 70.54 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/22/2018
SNOs_Map_NPP_TERRA_20181022.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service