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: 6/16/2018
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 06/17/2018 11:30:00 68.75, 5.63 45.27 06/17/2018 11:31:11 68.61, 6.35 45.12 32.76 71
2 06/17/2018 12:20:35 -68.30, 173.54 135.19 06/17/2018 12:20:45 -68.29, 173.59 135.21 2.75 10
3 06/17/2018 13:11:18 68.11, -18.91 44.61 06/17/2018 13:10:13 68.11, -18.97 44.62 2.63 65
4 06/20/2018 03:46:48 68.38, 121.89 44.85 06/20/2018 03:47:45 68.38, 121.94 44.84 1.99 57
5 06/20/2018 04:37:28 -68.20, -70.56 135.34 06/20/2018 04:37:16 -68.22, -70.61 135.32 3.33 12
6 06/20/2018 05:28:02 67.52, 97.59 43.97 06/20/2018 05:26:52 67.60, 96.31 44.07 54.95 70
7 06/22/2018 20:03:42 68.34,-122.28 44.81 06/22/2018 20:04:16 68.30,-122.27 44.77 3.46 34
8 06/22/2018 20:54:23 -68.21, 45.21 135.33 06/22/2018 20:53:46 -68.21, 45.25 135.32 1.81 37
9 06/25/2018 11:30:01 -68.96,-174.64 134.50 06/25/2018 11:31:10 -68.86,-173.36 134.64 52.39 69
10 06/25/2018 12:20:35 68.29, -6.45 44.82 06/25/2018 12:20:45 68.29, -6.42 44.81 1.63 10
11 06/25/2018 13:11:16 -68.16, 161.04 135.32 06/25/2018 13:10:16 -68.14, 161.04 135.34 2.86 60
12 06/28/2018 03:46:45 -68.38, -58.10 134.99 06/28/2018 03:47:48 -68.39, -58.06 134.99 1.59 63
13 06/28/2018 04:37:29 68.26, 109.38 44.88 06/28/2018 04:37:15 68.26, 109.43 44.89 2.39 14
14 06/28/2018 05:28:03 -67.75, -82.66 135.64 06/28/2018 05:26:51 -67.84, -83.43 135.53 33.97 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/16/2018
SNOs_Map_NPP_TERRA_20180616.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/16/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service