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: 2/14/2020
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 02/15/2020 11:29:32 68.41, 6.10 81.14 02/15/2020 11:30:12 68.39, 6.15 81.11 3.13 40
2 02/15/2020 12:20:12 -68.22, 173.66 99.07 02/15/2020 12:19:43 -68.23, 173.59 99.06 2.94 29
3 02/18/2020 02:55:58 -69.27, -46.61 98.88 02/18/2020 02:57:06 -69.13, -44.71 99.09 77.05 68
4 02/18/2020 03:46:27 68.35, 121.94 80.15 02/18/2020 03:46:45 68.35, 121.97 80.15 1.09 18
5 02/18/2020 04:37:08 -68.21, -70.56 100.01 02/18/2020 04:36:16 -68.19, -70.59 100.02 1.84 52
6 02/20/2020 19:12:39 -68.46, 70.25 100.68 02/20/2020 19:13:50 -68.48, 70.34 100.67 4.23 71
7 02/20/2020 20:03:22 68.29,-122.21 79.13 02/20/2020 20:03:18 68.31,-122.22 79.15 2.38 4
8 02/20/2020 20:54:02 -68.09, 45.35 101.09 02/20/2020 20:52:50 -68.10, 45.17 101.07 7.75 72
9 02/23/2020 11:29:34 -68.40,-173.91 101.71 02/23/2020 11:30:24 -68.38,-173.91 101.74 2.62 50
10 02/23/2020 12:20:17 68.28, -6.44 78.15 02/23/2020 12:19:50 68.26, -6.41 78.13 2.70 27
11 02/23/2020 13:10:43 -67.33, 162.05 102.85 02/23/2020 13:09:34 -67.38, 160.21 102.73 78.73 69
12 02/26/2020 02:56:04 69.40, 133.19 78.35 02/26/2020 02:57:10 69.31, 135.49 78.19 90.95 66
13 02/26/2020 03:46:28 -68.35, -58.06 102.76 02/26/2020 03:46:56 -68.33, -58.11 102.78 2.39 28
14 02/26/2020 04:37:12 68.22, 109.40 77.10 02/26/2020 04:36:23 68.21, 109.39 77.09 2.07 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/14/2020
SNOs_Map_NPP_TERRA_20200214.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/14/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service