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: 2/2/2019
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 02/04/2019 10:39:27 68.37, 18.71 84.57 02/04/2019 10:40:25 68.34, 18.70 84.53 3.48 58
2 02/04/2019 11:30:08 -68.24,-173.79 95.58 02/04/2019 11:29:55 -68.24,-173.79 95.58 0.42 13
3 02/04/2019 12:20:41 67.52, -5.59 83.67 02/04/2019 12:19:31 67.62, -6.86 83.82 55.10 70
4 02/07/2019 02:56:19 68.31, 134.56 83.70 02/07/2019 02:56:55 68.31, 134.53 83.69 1.36 36
5 02/07/2019 03:47:01 -68.23, -58.01 96.40 02/07/2019 03:46:25 -68.21, -57.95 96.42 3.28 36
6 02/09/2019 18:22:41 -69.07, 82.02 96.35 02/09/2019 18:23:50 -68.94, 83.54 96.54 62.40 69
7 02/09/2019 19:13:12 68.26,-109.59 82.79 02/09/2019 19:13:27 68.27,-109.65 82.80 2.74 15
8 02/09/2019 20:03:54 -68.17, 57.84 97.31 02/09/2019 20:02:57 -68.17, 57.88 97.31 1.47 57
9 02/12/2019 10:39:22 -68.37,-161.27 97.96 02/12/2019 10:40:32 -68.39,-161.27 97.95 2.16 70
10 02/12/2019 11:30:06 68.25, 6.19 81.91 02/12/2019 11:29:59 68.27, 6.22 81.92 2.19 7
11 02/12/2019 12:20:45 -68.01, 173.82 98.36 02/12/2019 12:19:31 -68.07, 173.62 98.28 11.09 74
12 02/15/2019 02:56:15 -68.32, -45.42 98.92 02/15/2019 02:57:06 -68.33, -45.48 98.91 3.06 51
13 02/15/2019 03:46:59 68.20, 122.04 80.95 02/15/2019 03:46:33 68.21, 122.01 80.96 1.53 26
14 02/15/2019 04:37:25 -67.25, -69.48 100.05 02/15/2019 04:36:17 -67.34, -71.35 99.89 80.84 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/2/2019
SNOs_Map_NPP_TERRA_20190202.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/02/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service