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: 2/24/2018
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 02/25/2018 10:39:07 -69.31,-162.41 101.67 02/25/2018 10:40:14 -69.24,-160.18 101.82 87.97 67
2 02/25/2018 11:29:35 68.32, 6.24 77.29 02/25/2018 11:29:56 68.30, 6.28 77.26 3.08 21
3 02/25/2018 12:20:15 -68.14, 173.78 102.92 02/25/2018 12:19:27 -68.14, 173.73 102.92 2.38 48
4 02/28/2018 02:55:46 -68.62, -45.68 103.40 02/28/2018 02:56:57 -68.54, -45.21 103.51 21.47 71
5 02/28/2018 03:46:26 68.27, 122.08 76.23 02/28/2018 03:46:27 68.25, 122.10 76.21 2.09 1
6 02/28/2018 04:37:07 -68.15, -70.44 103.92 02/28/2018 04:35:57 -68.15, -70.39 103.91 2.50 70
7 03/02/2018 19:12:34 -68.35, 70.44 104.70 03/02/2018 19:13:33 -68.33, 70.42 104.73 2.54 59
8 03/02/2018 20:03:18 68.23,-122.08 75.16 03/02/2018 20:03:00 68.22,-122.08 75.15 0.80 18
9 03/02/2018 20:53:49 -67.56, 46.07 105.55 03/02/2018 20:52:39 -67.62, 44.86 105.45 51.59 70
10 03/05/2018 11:29:26 -68.31,-173.71 105.78 03/05/2018 11:30:07 -68.31,-173.76 105.79 1.75 41
11 03/05/2018 12:20:10 68.18, -6.25 74.08 03/05/2018 12:19:34 68.19, -6.25 74.09 0.95 36
12 03/08/2018 02:55:52 69.20, 133.54 74.12 03/08/2018 02:56:59 69.10, 135.46 73.96 76.49 67
13 03/08/2018 03:46:19 -68.31, -57.94 106.82 03/08/2018 03:46:42 -68.29, -57.92 106.85 2.99 23
14 03/08/2018 04:37:02 68.14, 109.59 72.99 03/08/2018 04:36:09 68.17, 109.58 73.02 3.23 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/24/2018
SNOs_Map_NPP_TERRA_20180224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service