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: 4/29/2020
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 04/30/2020 02:55:53 68.36, 134.55 53.36 04/30/2020 02:56:49 68.35, 134.55 53.35 1.41 56
2 04/30/2020 03:46:34 -68.23, -57.95 126.79 04/30/2020 03:46:19 -68.23, -57.95 126.78 0.96 15
3 04/30/2020 04:37:06 67.45, 110.31 52.42 04/30/2020 04:35:57 67.51, 108.86 52.49 62.24 69
4 05/02/2020 19:12:47 68.31,-109.61 52.51 05/02/2020 19:13:16 68.33,-109.58 52.52 1.99 29
5 05/02/2020 20:03:28 -68.17, 57.89 127.65 05/02/2020 20:02:47 -68.16, 57.85 127.66 2.28 41
6 05/05/2020 10:39:01 -68.64,-161.58 127.92 05/05/2020 10:40:12 -68.57,-161.04 128.00 23.36 71
7 05/05/2020 11:29:40 68.26, 6.23 51.68 05/05/2020 11:29:43 68.24, 6.20 51.66 2.61 3
8 05/05/2020 12:20:21 -68.11, 173.73 128.48 05/05/2020 12:19:13 -68.13, 173.70 128.46 1.99 68
9 05/08/2020 02:55:51 -68.38, -45.46 128.93 05/08/2020 02:56:42 -68.37, -45.39 128.94 2.86 51
10 05/08/2020 03:46:34 68.21, 122.06 50.90 05/08/2020 03:46:10 68.20, 122.05 50.89 1.36 24
11 05/08/2020 04:37:01 -67.31, -69.51 130.02 05/08/2020 04:35:53 -67.37, -71.27 129.96 75.91 68
12 05/10/2020 18:22:19 69.29, -98.23 51.30 05/10/2020 18:23:26 69.16, -96.14 51.16 83.58 67
13 05/10/2020 19:12:44 -68.28, 70.45 129.74 05/10/2020 19:13:10 -68.28, 70.39 129.74 2.52 26
14 05/10/2020 20:03:28 68.17,-122.10 50.15 05/10/2020 20:02:37 68.16,-122.11 50.14 1.11 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/29/2020
SNOs_Map_NPP_TERRA_20200429.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/29/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service