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: 4/15/2018
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 04/17/2018 02:56:18 -69.36, -46.78 121.15 04/17/2018 02:57:25 -69.26, -44.42 121.29 93.60 67
2 04/17/2018 03:46:44 68.29, 121.98 57.74 04/17/2018 03:47:08 68.26, 121.98 57.71 2.80 24
3 04/17/2018 04:37:25 -68.14, -70.51 122.43 04/17/2018 04:36:38 -68.16, -70.51 122.41 2.04 47
4 04/19/2018 19:12:59 -68.57, 70.07 122.90 04/19/2018 19:14:11 -68.48, 70.46 123.00 18.77 72
5 04/19/2018 20:03:39 68.24,-122.19 56.76 04/19/2018 20:03:40 68.25,-122.16 56.77 1.75 1
6 04/19/2018 20:54:20 -68.09, 45.32 123.41 04/19/2018 20:53:11 -68.10, 45.28 123.40 1.53 69
7 04/22/2018 11:29:50 -68.36,-173.89 124.02 04/22/2018 11:30:44 -68.36,-173.82 124.03 2.88 54
8 04/22/2018 12:20:33 68.20, -6.37 55.81 04/22/2018 12:20:12 68.19, -6.38 55.79 1.52 21
9 04/22/2018 13:11:02 -67.40, 161.94 125.02 04/22/2018 13:09:53 -67.47, 160.43 124.93 64.58 69
10 04/25/2018 03:46:44 -68.26, -57.99 125.01 04/25/2018 03:47:17 -68.29, -58.03 124.99 3.08 33
11 04/25/2018 04:37:28 68.16, 109.45 54.88 04/25/2018 04:36:44 68.17, 109.47 54.89 1.65 44
12 04/27/2018 19:13:04 68.70,-110.11 54.59 04/27/2018 19:14:15 68.59,-109.43 54.47 30.57 71
13 04/27/2018 20:03:40 -68.28, 57.76 125.86 04/27/2018 20:03:49 -68.27, 57.81 125.87 2.14 9
14 04/27/2018 20:54:23 68.12,-134.73 53.98 04/27/2018 20:53:17 68.10,-134.75 53.95 2.60 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2018
SNOs_Map_NPP_TERRA_20180415.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service