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: 5/26/2019
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 05/27/2019 10:39:21 68.65, 18.38 47.25 05/27/2019 10:40:32 68.57, 18.90 47.17 22.86 71
2 05/27/2019 11:29:58 -68.29,-173.83 133.12 05/27/2019 11:30:05 -68.29,-173.80 133.12 1.30 7
3 05/27/2019 12:20:41 68.11, -6.30 46.70 05/27/2019 12:19:33 68.13, -6.35 46.71 2.58 68
4 05/30/2019 02:56:12 68.36, 134.53 46.53 05/30/2019 02:57:04 68.37, 134.54 46.54 1.65 52
5 05/30/2019 03:46:53 -68.21, -57.96 133.62 05/30/2019 03:46:35 -68.21, -58.02 133.63 2.40 18
6 05/30/2019 04:37:23 67.33, 110.42 45.49 05/30/2019 04:36:15 67.36, 108.66 45.53 75.74 68
7 06/01/2019 19:13:07 68.33,-109.67 46.13 06/01/2019 19:13:32 68.34,-109.62 46.13 2.07 25
8 06/01/2019 20:03:48 -68.19, 57.83 134.03 06/01/2019 20:03:03 -68.18, 57.82 134.04 1.23 45
9 06/04/2019 10:39:21 -68.54,-161.48 134.00 06/04/2019 10:40:33 -68.47,-161.22 134.07 12.66 72
10 06/04/2019 11:30:02 68.26, 6.19 45.72 06/04/2019 11:30:02 68.24, 6.15 45.70 2.67 0
11 06/04/2019 12:20:44 -68.17, 173.63 134.38 06/04/2019 12:19:32 -68.14, 173.66 134.41 2.88 72
12 06/07/2019 02:56:14 -68.36, -45.48 134.47 06/07/2019 02:57:03 -68.38, -45.45 134.45 2.84 49
13 06/07/2019 03:46:57 68.19, 122.05 45.36 06/07/2019 03:46:31 68.20, 121.98 45.37 3.17 26
14 06/07/2019 04:37:23 -67.23, -69.46 135.61 06/07/2019 04:36:15 -67.32, -71.39 135.50 83.56 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/26/2019
SNOs_Map_NPP_TERRA_20190526.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service