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: 10/4/2018
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 10/04/2018 19:13:36 68.45,-109.69 72.90 10/04/2018 19:14:21 68.47,-109.69 72.92 2.27 45
2 10/04/2018 20:04:17 -68.31, 57.80 107.23 10/04/2018 20:03:52 -68.31, 57.75 107.23 1.76 25
3 10/07/2018 10:40:02 -69.38,-162.50 105.17 10/07/2018 10:41:09 -69.28,-160.43 105.24 82.26 67
4 10/07/2018 11:30:30 68.40, 6.13 73.88 10/07/2018 11:30:50 68.38, 6.09 73.86 2.41 20
5 10/07/2018 12:21:11 -68.26, 173.63 106.25 10/07/2018 12:20:20 -68.29, 173.61 106.23 2.64 51
6 10/10/2018 02:56:40 -68.48, -45.51 105.04 10/10/2018 02:57:51 -68.48, -45.55 105.03 1.85 71
7 10/10/2018 03:47:24 68.35, 121.96 74.85 10/10/2018 03:47:18 68.36, 121.94 74.86 1.08 6
8 10/10/2018 04:38:03 -68.11, -70.41 105.38 10/10/2018 04:36:50 -68.15, -70.67 105.34 11.87 73
9 10/12/2018 19:13:35 -68.49, 70.24 104.02 10/12/2018 19:14:19 -68.47, 70.31 104.04 3.38 44
10 10/12/2018 20:04:18 68.31,-122.22 75.82 10/12/2018 20:03:46 68.34,-122.20 75.85 3.42 32
11 10/12/2018 20:54:41 -67.20, 46.46 105.26 10/12/2018 20:53:34 -67.24, 44.17 105.26 98.44 67
12 10/15/2018 10:39:58 69.17, 17.77 77.65 10/15/2018 10:41:07 69.04, 19.28 77.54 61.61 69
13 10/15/2018 11:30:27 -68.39,-173.86 103.12 10/15/2018 11:30:47 -68.39,-173.90 103.11 1.50 20
14 10/15/2018 12:21:11 68.27, -6.40 76.78 10/15/2018 12:20:14 68.26, -6.41 76.77 0.40 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/4/2018
SNOs_Map_NPP_TERRA_20181004.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/04/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service