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: 10/14/2018
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 10/15/2018 10:39:57 69.08, 17.89 77.56 10/15/2018 10:41:07 68.97, 19.20 77.47 53.66 70
2 10/15/2018 11:30:28 -68.42,-173.90 103.09 10/15/2018 11:30:45 -68.41,-173.86 103.10 1.93 17
3 10/15/2018 12:21:11 68.23, -6.36 76.74 10/15/2018 12:20:13 68.25, -6.42 76.75 2.96 58
4 10/18/2018 02:56:40 68.46, 134.50 77.92 10/18/2018 02:57:43 68.45, 134.44 77.92 2.39 63
5 10/18/2018 03:47:21 -68.32, -58.02 102.20 10/18/2018 03:47:13 -68.34, -58.06 102.18 2.83 8
6 10/18/2018 04:37:58 67.81, 109.93 77.32 10/18/2018 04:36:47 67.84, 108.99 77.32 39.64 71
7 10/20/2018 19:13:33 68.42,-109.69 78.85 10/20/2018 19:14:09 68.43,-109.71 78.86 1.18 36
8 10/20/2018 20:04:15 -68.34, 57.73 101.22 10/20/2018 20:03:39 -68.32, 57.80 101.24 3.42 36
9 10/23/2018 10:39:52 -68.99,-161.99 99.65 10/23/2018 10:41:02 -68.89,-160.89 99.73 45.53 70
10 10/23/2018 11:30:27 68.38, 6.12 79.77 10/23/2018 11:30:36 68.39, 6.13 79.77 0.38 9
11 10/23/2018 12:21:08 -68.25, 173.61 100.36 10/23/2018 12:20:07 -68.23, 173.58 100.39 2.85 61
12 10/26/2018 02:56:37 -68.48, -45.54 99.23 10/26/2018 02:57:36 -68.46, -45.54 99.25 2.26 59
13 10/26/2018 03:47:21 68.35, 121.93 80.66 10/26/2018 03:47:03 68.33, 121.96 80.64 2.37 18
14 10/26/2018 04:37:52 -67.68, -69.91 99.99 10/26/2018 04:36:42 -67.73, -71.11 99.96 51.34 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/14/2018
SNOs_Map_NPP_TERRA_20181014.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/14/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service