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: 1/16/2019
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 01/16/2019 18:22:44 68.67, -97.45 89.49 01/16/2019 18:23:55 68.59, -96.88 89.39 24.37 71
2 01/16/2019 19:13:20 -68.25, 70.40 90.95 01/16/2019 19:13:29 -68.26, 70.34 90.95 2.61 9
3 01/16/2019 20:04:04 68.13,-122.14 88.93 01/16/2019 20:02:56 68.15,-122.14 88.95 1.84 68
4 01/19/2019 10:39:33 68.38, 18.70 88.66 01/19/2019 10:40:27 68.40, 18.76 88.67 3.38 54
5 01/19/2019 11:30:14 -68.23,-173.80 91.50 01/19/2019 11:29:58 -68.23,-173.81 91.50 0.35 16
6 01/19/2019 12:20:45 67.41, -5.48 87.65 01/19/2019 12:19:36 67.51, -7.00 87.79 65.70 69
7 01/22/2019 02:56:25 68.31, 134.56 88.01 01/22/2019 02:56:56 68.31, 134.54 88.00 1.07 31
8 01/22/2019 03:47:07 -68.21, -58.00 92.10 01/22/2019 03:46:26 -68.20, -57.96 92.11 2.17 41
9 01/24/2019 18:22:42 -68.78, 82.41 92.12 01/24/2019 18:23:53 -68.67, 83.21 92.27 34.81 71
10 01/24/2019 19:13:19 68.29,-109.65 87.37 01/24/2019 19:13:25 68.27,-109.62 87.35 2.21 6
11 01/24/2019 20:04:00 -68.14, 57.86 92.80 01/24/2019 20:02:55 -68.17, 57.89 92.77 3.29 65
12 01/27/2019 10:39:28 -68.34,-161.24 93.25 01/27/2019 10:40:27 -68.36,-161.29 93.24 2.90 59
13 01/27/2019 11:30:12 68.23, 6.21 86.63 01/27/2019 11:29:54 68.24, 6.21 86.64 1.08 18
14 01/27/2019 12:20:44 -67.59, 174.32 94.04 01/27/2019 12:19:33 -67.63, 173.15 93.95 49.87 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/16/2019
SNOs_Map_NPP_TERRA_20190116.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service