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: 1/26/2020
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 01/27/2020 19:12:30 68.42,-109.65 86.82 01/27/2020 19:13:19 68.40,-109.59 86.79 3.38 49
2 01/27/2020 20:03:11 -68.28, 57.86 93.34 01/27/2020 20:02:49 -68.29, 57.91 93.33 2.61 22
3 01/27/2020 20:53:39 67.29,-133.62 85.63 01/27/2020 20:52:31 67.35,-135.53 85.75 82.07 68
4 01/30/2020 11:29:25 68.35, 6.22 86.03 01/30/2020 11:29:53 68.34, 6.20 86.02 0.69 28
5 01/30/2020 12:20:07 -68.25, 173.65 94.08 01/30/2020 12:19:23 -68.24, 173.71 94.09 3.03 44
6 02/02/2020 02:55:43 -68.82, -45.95 94.22 02/02/2020 02:56:54 -68.67, -45.17 94.40 34.86 71
7 02/02/2020 03:46:20 68.32, 122.01 85.26 02/02/2020 03:46:25 68.34, 122.06 85.27 2.86 5
8 02/02/2020 04:37:01 -68.18, -70.48 94.91 02/02/2020 04:35:56 -68.18, -70.49 94.89 0.87 65
9 02/04/2020 19:12:32 -68.42, 70.34 95.42 02/04/2020 19:13:32 -68.40, 70.35 95.45 2.24 60
10 02/04/2020 20:03:16 68.30,-122.20 84.46 02/04/2020 20:02:59 68.28,-122.14 84.44 3.28 17
11 02/04/2020 20:53:48 -67.67, 45.91 96.21 02/04/2020 20:52:37 -67.74, 44.85 96.10 45.18 71
12 02/07/2020 11:29:27 -68.35,-173.80 96.31 02/07/2020 11:30:06 -68.35,-173.85 96.31 2.19 39
13 02/07/2020 12:20:11 68.23, -6.34 83.57 02/07/2020 12:19:33 68.23, -6.35 83.57 0.70 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2020
SNOs_Map_NPP_TERRA_20200126.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/26/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service