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: 4/12/2019
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 04/12/2019 04:37:09 68.11, 109.58 59.43 04/12/2019 04:36:02 68.11, 109.53 59.44 2.09 67
2 04/14/2019 19:12:40 68.37,-109.62 58.75 04/14/2019 19:13:32 68.38,-109.56 58.76 2.81 52
3 04/14/2019 20:03:21 -68.23, 57.88 121.41 04/14/2019 20:03:03 -68.22, 57.88 121.42 1.49 18
4 04/14/2019 20:53:51 67.35,-133.72 57.69 04/14/2019 20:52:43 67.38,-135.44 57.74 73.43 68
5 04/17/2019 11:29:36 68.31, 6.22 57.74 04/17/2019 11:30:02 68.31, 6.24 57.73 0.92 26
6 04/17/2019 12:20:17 -68.17, 173.72 122.43 04/17/2019 12:19:33 -68.15, 173.68 122.44 2.30 44
7 04/20/2019 02:55:51 -68.53, -45.61 122.97 04/20/2019 02:57:03 -68.47, -45.33 123.03 13.20 72
8 04/20/2019 03:46:32 68.25, 122.06 56.74 04/20/2019 03:46:32 68.24, 122.04 56.73 1.37 0
9 04/20/2019 04:37:14 -68.16, -70.50 123.37 04/20/2019 04:36:02 -68.14, -70.45 123.39 3.05 72
10 04/22/2019 19:12:45 -68.37, 70.37 124.04 04/22/2019 19:13:34 -68.34, 70.39 124.07 2.64 49
11 04/22/2019 20:03:28 68.20,-122.11 55.78 04/22/2019 20:03:01 68.23,-122.10 55.81 3.15 27
12 04/22/2019 20:53:54 -67.24, 46.38 125.20 04/22/2019 20:52:46 -67.29, 44.46 125.14 83.02 68
13 04/25/2019 10:39:12 69.16, 17.74 55.90 04/25/2019 10:40:20 69.10, 19.58 55.81 72.98 68
14 04/25/2019 11:29:40 -68.31,-173.79 124.99 04/25/2019 11:30:02 -68.33,-173.75 124.97 2.65 22
15 04/25/2019 12:20:23 68.15, -6.28 54.84 04/25/2019 12:19:30 68.15, -6.31 54.84 1.51 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/12/2019
SNOs_Map_NPP_TERRA_20190412.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/12/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service