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: 1/22/2018
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 01/24/2018 10:39:15 -68.44,-161.31 92.46 01/24/2018 10:40:27 -68.43,-161.20 92.49 4.84 72
2 01/24/2018 11:29:58 68.26, 6.23 87.35 01/24/2018 11:29:55 68.25, 6.23 87.34 0.69 3
3 01/24/2018 12:20:39 -68.13, 173.72 92.80 01/24/2018 12:19:25 -68.15, 173.75 92.77 2.89 74
4 01/27/2018 02:56:07 -68.37, -45.44 93.20 01/27/2018 02:56:57 -68.34, -45.43 93.24 3.11 50
5 01/27/2018 03:46:51 68.24, 122.04 86.66 01/27/2018 03:46:24 68.22, 122.07 86.64 2.68 27
6 01/27/2018 04:37:16 -67.24, -69.43 94.37 01/27/2018 04:36:08 -67.34, -71.30 94.22 81.11 68
7 01/29/2018 18:22:34 69.33, -98.29 87.12 01/29/2018 18:23:40 69.23, -96.06 86.94 88.69 66
8 01/29/2018 19:12:58 -68.29, 70.44 93.98 01/29/2018 19:13:25 -68.30, 70.41 93.98 1.30 27
9 01/29/2018 20:03:42 68.16,-122.09 85.88 01/29/2018 20:02:52 68.17,-122.09 85.90 1.21 50
10 02/01/2018 10:39:11 68.46, 18.67 85.47 02/01/2018 10:40:22 68.46, 18.85 85.45 7.29 71
11 02/01/2018 11:29:51 -68.27,-173.76 94.74 02/01/2018 11:29:54 -68.25,-173.77 94.77 2.81 3
12 02/01/2018 12:20:34 68.09, -6.23 85.07 02/01/2018 12:19:21 68.12, -6.27 85.10 3.84 73
13 02/04/2018 02:56:02 68.34, 134.61 84.56 02/04/2018 02:56:52 68.34, 134.60 84.56 0.53 50
14 02/04/2018 03:46:43 -68.20, -57.90 95.59 02/04/2018 03:46:23 -68.19, -57.95 95.61 2.64 20
15 02/04/2018 04:37:11 67.21, 110.62 83.38 02/04/2018 04:36:04 67.28, 108.66 83.51 84.83 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/22/2018
SNOs_Map_NPP_TERRA_20180123.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service