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: 4/11/2018
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 04/11/2018 19:12:54 68.36,-109.65 59.74 04/11/2018 19:14:03 68.35,-109.65 59.73 0.93 69
2 04/11/2018 20:03:35 -68.21, 57.85 120.42 04/11/2018 20:03:34 -68.19, 57.79 120.45 3.51 1
3 04/11/2018 20:54:16 67.93,-134.48 59.28 04/11/2018 20:53:03 67.97,-134.83 59.32 14.97 73
4 04/14/2018 11:29:49 68.31, 6.18 58.72 04/14/2018 11:30:36 68.31, 6.16 58.71 1.01 47
5 04/14/2018 12:20:31 -68.22, 173.62 121.39 04/14/2018 12:20:06 -68.21, 173.67 121.41 2.53 25
6 04/14/2018 13:10:57 67.13, -17.74 57.50 04/14/2018 13:09:50 67.14, -19.90 57.53 93.01 67
7 04/17/2018 02:56:19 -69.39, -46.82 121.12 04/17/2018 02:57:25 -69.32, -44.34 121.22 97.76 66
8 04/17/2018 03:46:43 68.27, 122.01 57.72 04/17/2018 03:47:08 68.27, 121.98 57.72 1.18 25
9 04/17/2018 04:37:25 -68.17, -70.55 122.40 04/17/2018 04:36:38 -68.17, -70.50 122.40 1.89 47
10 04/19/2018 19:12:59 -68.60, 70.03 122.87 04/19/2018 19:14:11 -68.52, 70.50 122.96 21.25 72
11 04/19/2018 20:03:38 68.23,-122.17 56.74 04/19/2018 20:03:41 68.23,-122.20 56.75 1.31 3
12 04/19/2018 20:54:20 -68.12, 45.28 123.38 04/19/2018 20:53:11 -68.14, 45.32 123.36 2.26 69
13 04/22/2018 11:29:50 -68.34,-173.86 124.04 04/22/2018 11:30:47 -68.32,-173.87 124.07 2.95 57
14 04/22/2018 12:20:33 68.19, -6.35 55.79 04/22/2018 12:20:14 68.20, -6.37 55.80 1.61 19
15 04/22/2018 13:11:04 -67.49, 161.83 124.93 04/22/2018 13:09:54 -67.55, 160.51 124.86 56.53 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/11/2018
SNOs_Map_NPP_TERRA_20180411.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/11/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service