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: 2/24/2020
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 02/26/2020 02:56:01 69.21, 133.45 78.16 02/26/2020 02:57:09 69.14, 135.31 78.01 74.01 68
2 02/26/2020 03:46:28 -68.33, -58.04 102.78 02/26/2020 03:46:52 -68.30, -58.09 102.81 3.38 24
3 02/26/2020 04:37:12 68.20, 109.43 77.07 02/26/2020 04:36:19 68.19, 109.42 77.07 0.78 53
4 02/28/2020 19:12:42 68.41,-109.70 76.31 02/28/2020 19:13:50 68.40,-109.72 76.29 1.14 68
5 02/28/2020 20:03:23 -68.27, 57.80 103.85 02/28/2020 20:03:20 -68.30, 57.78 103.82 3.04 3
6 02/28/2020 20:54:03 67.93,-134.46 75.78 02/28/2020 20:52:51 67.96,-134.97 75.84 21.71 72
7 03/02/2020 11:29:36 68.35, 6.14 75.23 03/02/2020 11:30:16 68.37, 6.13 75.24 2.24 40
8 03/02/2020 12:20:17 -68.22, 173.63 104.93 03/02/2020 12:19:47 -68.22, 173.58 104.93 2.29 30
9 03/05/2020 02:55:57 -68.96, -46.21 105.16 03/05/2020 02:57:07 -68.89, -44.97 105.28 50.05 70
10 03/05/2020 03:46:31 68.30, 121.97 74.14 03/05/2020 03:46:42 68.32, 121.97 74.16 2.37 11
11 03/05/2020 04:37:12 -68.16, -70.53 106.02 03/05/2020 04:36:13 -68.17, -70.58 106.01 2.15 59
12 03/07/2020 19:12:42 -68.38, 70.34 106.82 03/07/2020 19:13:40 -68.39, 70.30 106.82 1.81 58
13 03/07/2020 20:03:26 68.25,-122.20 73.05 03/07/2020 20:03:07 68.25,-122.21 73.05 0.55 19
14 03/07/2020 20:53:57 -67.57, 45.96 107.67 03/07/2020 20:52:47 -67.60, 44.66 107.60 55.34 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/24/2020
SNOs_Map_NPP_TERRA_20200224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/24/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service