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: 4/25/2020
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 04/27/2020 10:39:06 68.79, 18.21 54.63 04/27/2020 10:40:17 68.66, 19.04 54.49 36.37 71
2 04/27/2020 11:29:40 -68.28,-173.79 125.91 04/27/2020 11:29:52 -68.27,-173.80 125.92 1.01 12
3 04/27/2020 12:20:24 68.15, -6.32 53.96 04/27/2020 12:19:19 68.16, -6.29 53.96 1.72 65
4 04/30/2020 02:55:53 68.36, 134.56 53.36 04/30/2020 02:56:49 68.37, 134.57 53.36 1.34 56
5 04/30/2020 03:46:34 -68.22, -57.94 126.80 04/30/2020 03:46:20 -68.20, -57.99 126.82 2.47 14
6 04/30/2020 04:37:06 67.45, 110.32 52.42 04/30/2020 04:35:57 67.53, 108.88 52.51 62.04 69
7 05/02/2020 19:12:46 68.30,-109.60 52.50 05/02/2020 19:13:16 68.30,-109.62 52.49 1.18 30
8 05/02/2020 20:03:28 -68.21, 57.84 127.61 05/02/2020 20:02:46 -68.19, 57.89 127.63 3.18 42
9 05/05/2020 10:39:01 -68.63,-161.57 127.93 05/05/2020 10:40:13 -68.56,-161.05 128.01 22.28 72
10 05/05/2020 11:29:40 68.25, 6.24 51.68 05/05/2020 11:29:43 68.28, 6.25 51.70 2.83 3
11 05/05/2020 12:20:21 -68.10, 173.75 128.49 05/05/2020 12:19:14 -68.12, 173.69 128.47 2.85 67
12 05/08/2020 02:55:51 -68.37, -45.44 128.94 05/08/2020 02:56:43 -68.38, -45.39 128.93 2.57 52
13 05/08/2020 03:46:34 68.20, 122.07 50.89 05/08/2020 03:46:11 68.20, 122.05 50.88 1.16 23
14 05/08/2020 04:37:02 -67.35, -69.56 129.98 05/08/2020 04:35:53 -67.43, -71.21 129.90 71.04 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2020
SNOs_Map_NPP_TERRA_20200426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/25/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service