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: 5/3/2020
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 10:39:06 -68.89,-161.91 127.67 05/05/2020 10:40:16 -68.76,-160.83 127.81 45.42 70
2 05/05/2020 11:29:41 68.29, 6.20 51.71 05/05/2020 11:29:50 68.27, 6.21 51.70 1.61 9
3 05/05/2020 12:20:22 -68.15, 173.69 128.45 05/05/2020 12:19:20 -68.16, 173.71 128.43 1.95 62
4 05/08/2020 02:55:51 -68.36, -45.43 128.95 05/08/2020 02:56:57 -68.37, -45.45 128.94 2.22 66
5 05/08/2020 03:46:35 68.24, 122.03 50.92 05/08/2020 03:46:25 68.21, 122.00 50.90 2.84 10
6 05/08/2020 04:37:11 -67.82, -70.13 129.51 05/08/2020 04:35:59 -67.88, -70.75 129.44 26.89 72
7 05/10/2020 19:12:45 -68.36, 70.34 129.65 05/10/2020 19:13:33 -68.35, 70.37 129.67 1.57 48
8 05/10/2020 20:03:28 68.19,-122.14 50.17 05/10/2020 20:03:01 68.19,-122.18 50.17 1.81 27
9 05/10/2020 20:53:54 -67.23, 46.35 130.80 05/10/2020 20:52:46 -67.25, 44.38 130.78 84.80 68
10 05/13/2020 11:29:39 -68.31,-173.82 130.37 05/13/2020 11:30:13 -68.30,-173.85 130.38 1.53 34
11 05/13/2020 12:20:23 68.20, -6.37 49.51 05/13/2020 12:19:40 68.20, -6.33 49.51 1.84 43
12 05/16/2020 02:56:05 69.12, 133.55 49.83 05/16/2020 02:57:13 69.05, 135.27 49.75 68.74 68
13 05/16/2020 03:46:33 -68.27, -57.99 131.05 05/16/2020 03:46:55 -68.29, -58.04 131.03 3.03 22
14 05/16/2020 04:37:17 68.16, 109.45 48.84 05/16/2020 04:36:22 68.18, 109.48 48.86 2.48 55

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/3/2020
SNOs_Map_NPP_TERRA_20200503.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/03/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service