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: 6/11/2019
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 06/12/2019 10:39:24 68.42, 18.66 45.17 06/12/2019 10:40:30 68.40, 18.71 45.14 2.86 66
2 06/12/2019 11:30:04 -68.28,-173.84 134.97 06/12/2019 11:29:59 -68.29,-173.79 134.97 2.52 5
3 06/12/2019 12:20:43 67.88, -6.03 44.62 06/12/2019 12:19:31 67.90, -6.60 44.64 24.06 72
4 06/15/2019 02:56:18 68.35, 134.52 44.96 06/15/2019 02:56:58 68.34, 134.52 44.94 1.39 40
5 06/15/2019 03:46:59 -68.22, -57.99 135.19 06/15/2019 03:46:28 -68.24, -57.97 135.17 2.57 31
6 06/17/2019 18:22:41 -69.05, 82.04 134.42 06/17/2019 18:23:50 -68.95, 83.52 134.55 59.80 69
7 06/17/2019 19:13:13 68.29,-109.63 44.80 06/17/2019 19:13:27 68.28,-109.67 44.78 2.24 14
8 06/17/2019 20:03:55 -68.20, 57.80 135.29 06/17/2019 20:02:57 -68.18, 57.84 135.32 3.31 58
9 06/20/2019 10:39:25 -68.40,-161.32 135.13 06/20/2019 10:40:28 -68.39,-161.30 135.15 1.60 63
10 06/20/2019 11:30:09 68.28, 6.15 44.75 06/20/2019 11:29:55 68.26, 6.20 44.73 2.52 14
11 06/20/2019 12:20:43 -67.76, 174.12 135.79 06/20/2019 12:19:31 -67.83, 173.32 135.70 34.33 72
12 06/23/2019 02:56:20 -68.34, -45.47 135.19 06/23/2019 02:56:57 -68.32, -45.50 135.21 2.57 37
13 06/23/2019 03:47:03 68.22, 122.00 44.69 06/23/2019 03:46:23 68.19, 121.99 44.66 3.05 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/11/2019
SNOs_Map_NPP_TERRA_20190611.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/11/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service