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: 5/25/2019
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 47.26 05/27/2019 10:40:32 68.57, 18.90 47.17 23.16 71
2 05/27/2019 11:29:58 -68.29,-173.84 133.11 05/27/2019 11:30:05 -68.29,-173.81 133.12 1.38 7
3 05/27/2019 12:20:41 68.12, -6.30 46.71 05/27/2019 12:19:33 68.12, -6.36 46.71 2.29 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 1.00 52
5 05/30/2019 03:46:53 -68.21, -57.97 133.62 05/30/2019 03:46:35 -68.21, -58.03 133.63 2.58 18
6 05/30/2019 04:37:23 67.34, 110.42 45.50 05/30/2019 04:36:15 67.36, 108.65 45.53 75.73 68
7 06/01/2019 19:13:07 68.34,-109.67 46.13 06/01/2019 19:13:32 68.33,-109.63 46.12 2.03 25
8 06/01/2019 20:03:48 -68.19, 57.83 134.03 06/01/2019 20:03:03 -68.17, 57.82 134.04 1.70 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 12.74 72
10 06/04/2019 11:30:02 68.26, 6.19 45.72 06/04/2019 11:30:02 68.24, 6.14 45.70 3.23 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 3.17 72
12 06/07/2019 02:56:14 -68.36, -45.47 134.47 06/07/2019 02:57:03 -68.38, -45.46 134.45 2.39 49
13 06/07/2019 03:46:58 68.24, 121.98 45.42 06/07/2019 03:46:30 68.25, 122.04 45.42 2.74 28
14 06/07/2019 04:37:23 -67.23, -69.46 135.61 06/07/2019 04:36:15 -67.32, -71.40 135.51 83.82 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/25/2019
SNOs_Map_NPP_TERRA_20190525.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service