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: 4/6/2018
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 04/09/2018 02:56:12 69.11, 133.58 61.50 04/09/2018 02:57:20 68.98, 135.26 61.35 68.08 68
2 04/09/2018 03:46:40 -68.26, -57.98 119.38 04/09/2018 03:47:01 -68.26, -58.00 119.39 1.04 21
3 04/09/2018 04:37:24 68.14, 109.48 60.49 04/09/2018 04:36:28 68.15, 109.52 60.50 1.78 56
4 04/11/2018 19:12:54 68.36,-109.65 59.74 04/11/2018 19:14:04 68.34,-109.67 59.72 2.23 70
5 04/11/2018 20:03:35 -68.21, 57.86 120.43 04/11/2018 20:03:34 -68.24, 57.84 120.40 3.00 1
6 04/11/2018 20:54:16 67.93,-134.48 59.28 04/11/2018 20:53:03 68.02,-134.78 59.37 15.37 73
7 04/14/2018 11:29:49 68.32, 6.18 58.72 04/14/2018 11:30:37 68.32, 6.17 58.73 0.80 48
8 04/14/2018 12:20:31 -68.22, 173.62 121.39 04/14/2018 12:20:07 -68.22, 173.68 121.39 2.44 24
9 04/14/2018 13:10:57 67.13, -17.75 57.50 04/14/2018 13:09:50 67.21, -19.83 57.60 90.17 67
10 04/17/2018 03:46:43 68.27, 122.00 57.73 04/17/2018 03:47:10 68.25, 121.95 57.70 3.17 27
11 04/17/2018 04:37:25 -68.17, -70.55 122.40 04/17/2018 04:36:40 -68.15, -70.54 122.41 2.07 45
12 04/19/2018 19:13:01 -68.71, 69.88 122.75 04/19/2018 19:14:12 -68.58, 70.57 122.90 31.20 71
13 04/19/2018 20:03:38 68.23,-122.18 56.75 04/19/2018 20:03:43 68.24,-122.20 56.76 1.25 5
14 04/19/2018 20:54:20 -68.13, 45.27 123.37 04/19/2018 20:53:13 -68.15, 45.32 123.35 2.87 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/6/2018
SNOs_Map_NPP_TERRA_20180407.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/06/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service