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: 5/4/2020
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 05/05/2020 10:39:04 -68.80,-161.79 127.76 05/05/2020 10:40:15 -68.73,-160.87 127.84 38.19 71
2 05/05/2020 11:29:40 68.25, 6.24 51.68 05/05/2020 11:29:49 68.24, 6.18 51.66 3.22 9
3 05/05/2020 12:20:21 -68.11, 173.73 128.48 05/05/2020 12:19:19 -68.12, 173.68 128.47 2.67 62
4 05/08/2020 02:55:51 -68.38, -45.46 128.93 05/08/2020 02:56:53 -68.39, -45.42 128.92 2.24 62
5 05/08/2020 03:46:34 68.20, 122.07 50.89 05/08/2020 03:46:21 68.23, 122.04 50.91 3.25 13
6 05/08/2020 04:37:09 -67.74, -70.02 129.59 05/08/2020 04:35:57 -67.79, -70.85 129.54 35.12 72
7 05/10/2020 19:12:45 -68.32, 70.39 129.69 05/10/2020 19:13:28 -68.31, 70.35 129.71 2.14 43
8 05/10/2020 20:03:29 68.21,-122.16 50.19 05/10/2020 20:02:55 68.20,-122.13 50.18 1.27 34
9 05/13/2020 10:39:12 69.23, 17.62 50.57 05/13/2020 10:40:19 69.14, 19.61 50.48 79.22 67
10 05/13/2020 11:29:39 -68.33,-173.85 130.35 05/13/2020 11:30:02 -68.32,-173.78 130.36 2.71 23
11 05/13/2020 12:20:22 68.16, -6.33 49.47 05/13/2020 12:19:30 68.16, -6.33 49.47 0.80 52
12 05/16/2020 02:55:55 68.59, 134.26 49.30 05/16/2020 02:57:07 68.52, 134.67 49.22 18.76 72
13 05/16/2020 03:46:33 -68.28, -58.01 131.03 05/16/2020 03:46:40 -68.26, -58.01 131.06 2.46 7
14 05/16/2020 04:37:16 68.12, 109.51 48.80 05/16/2020 04:36:07 68.14, 109.50 48.83 3.18 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/4/2020
SNOs_Map_NPP_TERRA_20200504.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/04/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service